SettingsAluminium minerals
Acuminite
Acuminite (or Acuminit or Acuminita) is a mineral of strontium, aluminium, fluorine, oxygen, and hydrogen with a chemical formula SrAlF4(OH)·(H2O).
Acuminite (or Acuminit or Acuminita) is a mineral of strontium, aluminium, fluorine, oxygen, and hydrogen with a chemical formula SrAlF4(OH)·(H2O).
Adularia
Adularia is a tectosilicate mineral with formula KAlSi3O8.
Adularia is a tectosilicate mineral with formula KAlSi3O8.
Afghanite
Afghanite, (Na,Ca,K)8Al6Si6O24(SO4,Cl2,CO3)3 · 0.5H2O, is a hydrous sodium, calcium, potassium, sulfate, chloride, carbonate alumino-silicate mineral.
Afghanite, (Na,Ca,K)8Al6Si6O24(SO4,Cl2,CO3)3 · 0.5H2O, is a hydrous sodium, calcium, potassium, sulfate, chloride, carbonate alumino-silicate mineral.
Akdalaite
Akdalaite is a very rare mineral found in Kazakhstan and has the formula 5Al2O3·H2O. It was formerly believed to be 4Al2O3·H2O. It is therefore the same as tohdite an art...
Akdalaite is a very rare mineral found in Kazakhstan and has the formula 5Al2O3·H2O. It was formerly believed to be 4Al2O3·H2O. It is therefore the same as tohdite an art...
Alarsite
Alarsite is an aluminium arsenate mineral Its name is derived from its composition of aluminium and arsenic.
Alarsite is an aluminium arsenate mineral Its name is derived from its composition of aluminium and arsenic.
Aldermanite
Aldermanite is a rare hydrated phosphate mineral with formula Mg5Al12(PO4)8(OH)22·32H2O.
Aldermanite is a rare hydrated phosphate mineral with formula Mg5Al12(PO4)8(OH)22·32H2O.
Allanite
Allanite is a sorosilicate group of minerals within the broader epidote group that contain a significant amount of rare earth elements.
Allanite is a sorosilicate group of minerals within the broader epidote group that contain a significant amount of rare earth elements.
Allophane
Allophane is a poorly-crystalline hydrous aluminium silicate clay mineraloid.
Allophane is a poorly-crystalline hydrous aluminium silicate clay mineraloid.
Althupite
Althupite is a rare aluminium thorium uranyl phosphate mineral with complex formula written as AlTh(UO2)7(PO4)4O2(OH)5·15H2O, from a granitic pegmatite.
Althupite is a rare aluminium thorium uranyl phosphate mineral with complex formula written as AlTh(UO2)7(PO4)4O2(OH)5·15H2O, from a granitic pegmatite.
Aluminite
Aluminite is a hydrous aluminium sulfate mineral with formula: Al2SO4(OH)4·7(H2O).
Aluminite is a hydrous aluminium sulfate mineral with formula: Al2SO4(OH)4·7(H2O).
Alunite
Alunite is a sulfate mineral that was first observed in the 15th century in Monti della Tolfa, north of Rome, where it was mined for the manufacture of alum.
Alunite is a sulfate mineral that was first observed in the 15th century in Monti della Tolfa, north of Rome, where it was mined for the manufacture of alum.
Alunogen
Alunogen also called feather alum and hair salt is a colourless to white (although often coloured by impurities, like iron substituting for aluminum) fibrous to needle-like aluminium...
Alunogen also called feather alum and hair salt is a colourless to white (although often coloured by impurities, like iron substituting for aluminum) fibrous to needle-like aluminium...
Amblygonite
Amblygonite is a fluorophosphate mineral, (Li,Na)AlPO4(F,OH), composed of lithium, sodium, aluminium, phosphate, fluoride and hydroxide.
Amblygonite is a fluorophosphate mineral, (Li,Na)AlPO4(F,OH), composed of lithium, sodium, aluminium, phosphate, fluoride and hydroxide.
Amesite
Amesite is a mineral with general formula of Mg2Al2SiO5(OH)4.
Amesite is a mineral with general formula of Mg2Al2SiO5(OH)4.
Analcime
Analcime or analcite (from the Greek analkimos - "weak") is a white, grey, or colourless tectosilicate mineral.
Analcime or analcite (from the Greek analkimos - "weak") is a white, grey, or colourless tectosilicate mineral.
Annite
Annite is a phyllosilicate mineral in the mica family.
Annite is a phyllosilicate mineral in the mica family.
Axinite
Axinite is a brown to violet-brown, or reddish-brown bladed group of minerals composed of calcium aluminium boro-silicate, (Ca,Fe,Mn)3Al2BO3Si4O12OH. Axinite is pyroelectric ...
Axinite is a brown to violet-brown, or reddish-brown bladed group of minerals composed of calcium aluminium boro-silicate, (Ca,Fe,Mn)3Al2BO3Si4O12OH. Axinite is pyroelectric ...
Bentonite
Bentonite is an absorbent aluminium phyllosilicate, essentially impure clay consisting mostly of montmorillonite.
Bentonite is an absorbent aluminium phyllosilicate, essentially impure clay consisting mostly of montmorillonite.
Bentorite
Bentorite is a mineral with the chemical formula Ca6(Cr,Al)2(SO4)3(OH)12·26(H2O).
Bentorite is a mineral with the chemical formula Ca6(Cr,Al)2(SO4)3(OH)12·26(H2O).
Beryl
The mineral beryl is a beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6.
The mineral beryl is a beryllium aluminium cyclosilicate with the chemical formula Be3Al2(SiO3)6.
Biotite
Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula.
Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula.
Boehmite
Boehmite or Böhmite is an aluminium oxide hydroxide mineral, a component of the aluminium ore bauxite.
Boehmite or Böhmite is an aluminium oxide hydroxide mineral, a component of the aluminium ore bauxite.
Brammallite
Brammallite is a sodium rich analogue of illite.
Brammallite is a sodium rich analogue of illite.
Buddingtonite
Buddingtonite is an ammonium feldspar with formula: NH4AlSi3O8 (note: some sources add 0.5H2O to the formula).
Buddingtonite is an ammonium feldspar with formula: NH4AlSi3O8 (note: some sources add 0.5H2O to the formula).
Calderite
Calderite is a mineral in the garnet group with the chemical formula (Mn2+, Ca)3(Fe3+, Al)2(SiO4)3.
Calderite is a mineral in the garnet group with the chemical formula (Mn2+, Ca)3(Fe3+, Al)2(SiO4)3.
Celadonite
Celadonite is a mica group mineral, a phyllosilicate of potassium, iron in both oxidation states, aluminium and hydroxide with formula: K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2.
Celadonite is a mica group mineral, a phyllosilicate of potassium, iron in both oxidation states, aluminium and hydroxide with formula: K(Mg,Fe2+)(Fe3+,Al)Si4O10(OH)2.
Chabazite
Chabazite is a tectosilicate mineral of the zeolite group, closely related to gmelinite, with formula (Ca,Na2,K2,Mg)Al2Si4O12·6H2O. Recognized varieties include Chabazit...
Chabazite is a tectosilicate mineral of the zeolite group, closely related to gmelinite, with formula (Ca,Na2,K2,Mg)Al2Si4O12·6H2O. Recognized varieties include Chabazit...
Chabazite-Ca
Chabazite is a tectosilicate mineral of the zeolite group, closely related to gmelinite, with formula (Ca,Na2,K2,Mg)Al2Si4O12·6H2O. Recognized varieties include Chabazit...
Chabazite is a tectosilicate mineral of the zeolite group, closely related to gmelinite, with formula (Ca,Na2,K2,Mg)Al2Si4O12·6H2O. Recognized varieties include Chabazit...
Chiastolite
The mineral chiastolite is a variety of andalusite with the chemical composition Al2SiO5.
The mineral chiastolite is a variety of andalusite with the chemical composition Al2SiO5.
Childrenite
Childrenite is a rare hydrated phosphate mineral with elements iron, manganese, aluminium, phosphorus, oxygen and hydrogen.
Childrenite is a rare hydrated phosphate mineral with elements iron, manganese, aluminium, phosphorus, oxygen and hydrogen.
Chrysoberyl
The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula BeAl2O4.
The mineral or gemstone chrysoberyl is an aluminate of beryllium with the formula BeAl2O4.
Clinoptilolite
Clinoptilolite is a natural zeolite comprising a microporous arrangement of silica and alumina tetrahedra.
Clinoptilolite is a natural zeolite comprising a microporous arrangement of silica and alumina tetrahedra.
Clinozoisite
Clinozoisite is a mineral, a complex sorosilicate of calcium and aluminium and is usually a grey green colour.
Clinozoisite is a mineral, a complex sorosilicate of calcium and aluminium and is usually a grey green colour.
Coconinoite
Coconinoite is a uranium ore that was discovered in Coconino County, Arizona.
Coconinoite is a uranium ore that was discovered in Coconino County, Arizona.
Corundum
Corundum is a crystalline form of aluminium oxide with traces of iron, titanium and chromium.
Corundum is a crystalline form of aluminium oxide with traces of iron, titanium and chromium.
Creedite
Creedite is a calcium aluminium sulfate fluoro hydroxide mineral with formula: Ca3Al2SO4(F,OH)10·2(H2O).
Creedite is a calcium aluminium sulfate fluoro hydroxide mineral with formula: Ca3Al2SO4(F,OH)10·2(H2O).
Cryolite
Cryolite (Na3AlF6, sodium hexafluoroaluminate) is an uncommon mineral identified with the once large deposit at Ivigtût on the west coast of Greenland, depleted by 1987.
Cryolite (Na3AlF6, sodium hexafluoroaluminate) is an uncommon mineral identified with the once large deposit at Ivigtût on the west coast of Greenland, depleted by 1987.
Cupalite
Cupalite is a rare mineral which is mostly composed of copper and aluminium, but might contain up to several percents of zinc or iron; its chemical structure is therefore described by an approxi...
Cupalite is a rare mineral which is mostly composed of copper and aluminium, but might contain up to several percents of zinc or iron; its chemical structure is therefore described by an approxi...
Dawsonite
Dawsonite is a mineral composed of sodium aluminium carbonate hydroxide, chemical formula NaAlCO3(OH)2.
Dawsonite is a mineral composed of sodium aluminium carbonate hydroxide, chemical formula NaAlCO3(OH)2.
Diaspore
Diaspore is a native aluminium oxide hydroxide, α-AlO, crystallizing in the orthorhombic system and isomorphous with goethite.
Diaspore is a native aluminium oxide hydroxide, α-AlO, crystallizing in the orthorhombic system and isomorphous with goethite.
Dickite
Dickite (Al2Si2O5(OH)4) has molecular weight of 258.16 grams.
Dickite (Al2Si2O5(OH)4) has molecular weight of 258.16 grams.
Dmitryivanovite
Dmitryivanovite is a natural mineral composed of calcium, aluminium and oxygen, with the molecular formula CaAl2O4.
Dmitryivanovite is a natural mineral composed of calcium, aluminium and oxygen, with the molecular formula CaAl2O4.
Dumortierite
Dumortierite is a fibrous variably colored aluminium boro-silicate mineral, Al7BO33O3.
Dumortierite is a fibrous variably colored aluminium boro-silicate mineral, Al7BO33O3.
Emerald
Emerald is a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium.
Emerald is a variety of the mineral beryl colored green by trace amounts of chromium and sometimes vanadium.
Epidote
Epidote is a calcium aluminium iron sorosilicate mineral, Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH), crystallizing in the monoclinic system.
Epidote is a calcium aluminium iron sorosilicate mineral, Ca2Al2(Fe3+;Al)(SiO4)(Si2O7)O(OH), crystallizing in the monoclinic system.
Ettringite
Ettringite is a hydrous calcium aluminium sulfate mineral with formula: Ca6Al2(SO4)3(OH)12·26H2O. It is a colorless to yellow mineral crystallizing in the trigonal system.
Ettringite is a hydrous calcium aluminium sulfate mineral with formula: Ca6Al2(SO4)3(OH)12·26H2O. It is a colorless to yellow mineral crystallizing in the trigonal system.
Ferrierite
The ferrierite group of zeolite minerals (the FER structure) consists of three very similar species: ferrierite-Mg, ferrierite-Na, and ferrierite-K, based on the dominant cation in the A l...
The ferrierite group of zeolite minerals (the FER structure) consists of three very similar species: ferrierite-Mg, ferrierite-Na, and ferrierite-K, based on the dominant cation in the A l...
Fluor-liddicoatite
Fluor-liddicoatite is a rare member of the tourmaline group of minerals, elbaite subgroup, and the theoretical calcium endmember of the elbaite-liddicoatite series; the pure end-member has not ...
Fluor-liddicoatite is a rare member of the tourmaline group of minerals, elbaite subgroup, and the theoretical calcium endmember of the elbaite-liddicoatite series; the pure end-member has not ...
Fluor-uvite
Fluor-uvite is a mineral with the chemical formula CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)4.
Fluor-uvite is a mineral with the chemical formula CaMg3(Al5Mg)(Si6O18)(BO3)3(OH)4.
Fluororichterite
Fluororichterite is a rare amphibole with formula Na(Ca,Na)Mg5Si8O22F2.
Fluororichterite is a rare amphibole with formula Na(Ca,Na)Mg5Si8O22F2.
Fraipontite
Fraipontite is a zinc aluminium silicate mineral with a formula of (Zn,Al)3(Si,Al)2O5(OH)4.
Fraipontite is a zinc aluminium silicate mineral with a formula of (Zn,Al)3(Si,Al)2O5(OH)4.
Galaxite
Galaxite is a spinel mineral with the chemical formula (Mn,Fe,Mg)(Al,Fe)2O4.
Galaxite is a spinel mineral with the chemical formula (Mn,Fe,Mg)(Al,Fe)2O4.
Gehlenite
Gehlenite, (Ca2AlAlSiO7), is a sorosilicate, Al-rich endmember of the melilite complete solid solution series with akermanite.
Gehlenite, (Ca2AlAlSiO7), is a sorosilicate, Al-rich endmember of the melilite complete solid solution series with akermanite.
Glauconite
Glauconite is an iron potassium phyllosilicate (mica group) mineral of characteristic green color with very low weathering resistance and very friable.
Glauconite is an iron potassium phyllosilicate (mica group) mineral of characteristic green color with very low weathering resistance and very friable.
Glaucophane
Glaucophane is a mineral belonging to the amphibole group, chemical formula Na2Mg3Al2Si8O22(OH)2 It is named from its typical blue color (in Greek, glaucophane means ...
Glaucophane is a mineral belonging to the amphibole group, chemical formula Na2Mg3Al2Si8O22(OH)2 It is named from its typical blue color (in Greek, glaucophane means ...
Gmelinite
Gmelinite-Na is one of the rarer zeolites but the commonest member of the gmelinite series, gmelinite-Ca, gmelinite-K and gmelinite-Na. It is closely related to the very similar mineral chabazite.
Gmelinite-Na is one of the rarer zeolites but the commonest member of the gmelinite series, gmelinite-Ca, gmelinite-K and gmelinite-Na. It is closely related to the very similar mineral chabazite.
Gormanite
Gormanite is a phosphate mineral with the formula (Fe,Mg)3Al4(PO4)4(OH)6·2H2O. It was named after the University of Toronto professor Donald Herbert Gorman.
Gormanite is a phosphate mineral with the formula (Fe,Mg)3Al4(PO4)4(OH)6·2H2O. It was named after the University of Toronto professor Donald Herbert Gorman.
Halloysite
Halloysite is a 1:1 aluminosilicate clay mineral with the empirical formula Al2Si2O5(OH)4.
Halloysite is a 1:1 aluminosilicate clay mineral with the empirical formula Al2Si2O5(OH)4.
Halotrichite
Halotrichite, also known as feather alum, is a highly hydrated sulfate of aluminium and iron.
Halotrichite, also known as feather alum, is a highly hydrated sulfate of aluminium and iron.
Harmotome
Harmotome is a mineral, one of the rarer zeolites; a hydrated barium silicate with formula: (Ba0.5,Ca0.5,Na,K)5Al5,Si11O32·12(H2O).
Harmotome is a mineral, one of the rarer zeolites; a hydrated barium silicate with formula: (Ba0.5,Ca0.5,Na,K)5Al5,Si11O32·12(H2O).
Hauyne
Hauyne, haüyne or hauynite was first described in 1807 from samples discovered in Vesuvian lavas in Monte Somma, Italy, and was named in 1807 by Brunn-Neergard for the French crystal...
Hauyne, haüyne or hauynite was first described in 1807 from samples discovered in Vesuvian lavas in Monte Somma, Italy, and was named in 1807 by Brunn-Neergard for the French crystal...
Hessonite
Hessonite or Cinnamon Stone is a variety of grossular, a calcium aluminium mineral of the garnet group with the general formula Ca3Al2Si3O12.
Hessonite or Cinnamon Stone is a variety of grossular, a calcium aluminium mineral of the garnet group with the general formula Ca3Al2Si3O12.
Hibonite
Hibonite is a brownish black mineral with a hardness of 7.5-8.0 and a hexagonal crystal structure.
Hibonite is a brownish black mineral with a hardness of 7.5-8.0 and a hexagonal crystal structure.
Hornblende
Hornblende is a complex inosilicate series of minerals (ferrohornblende – magnesiohornblende).
Hornblende is a complex inosilicate series of minerals (ferrohornblende – magnesiohornblende).
Hydrogrossular
Hydrogrossular, is a calcium aluminium garnet series (formula: Ca3Al2(SiO4)3-x(OH)4x, with hydroxide (OH) partially replacing silica (SiO4)).
Hydrogrossular, is a calcium aluminium garnet series (formula: Ca3Al2(SiO4)3-x(OH)4x, with hydroxide (OH) partially replacing silica (SiO4)).
Hydrotalcite
Hydrotalcite is a layered double hydroxide of general formula (Mg6Al2(CO3)(OH)16 · 4(H2O) whose name is derived from its resemblance with talc and its high water content.
Hydrotalcite is a layered double hydroxide of general formula (Mg6Al2(CO3)(OH)16 · 4(H2O) whose name is derived from its resemblance with talc and its high water content.
Icosahedrite
Icosahedrite, the only naturally occurring quasicrystal phase with a composition Al63Cu24Fe13, is a mineral approved by the International Mineralogical Association in 2010.
Icosahedrite, the only naturally occurring quasicrystal phase with a composition Al63Cu24Fe13, is a mineral approved by the International Mineralogical Association in 2010.
Jurbanite
Jurbanite is a mineral with the chemical formula AlSO4(OH)·5H2O. Its molecular weight is 230.13 g/mol.
Jurbanite is a mineral with the chemical formula AlSO4(OH)·5H2O. Its molecular weight is 230.13 g/mol.
Kalinite
Kalinite is a fibrous monoclinic type of alum distinct from isometric potassium alum, named in 1868.
Kalinite is a fibrous monoclinic type of alum distinct from isometric potassium alum, named in 1868.
Kalsilite
Kalsilite is a vitreous white to grey feldspathoidal mineral that is found in some potassium-rich lavas, such as from Chamengo Crater in Uganda.
Kalsilite is a vitreous white to grey feldspathoidal mineral that is found in some potassium-rich lavas, such as from Chamengo Crater in Uganda.
Kaolinite
Kaolinite is a clay mineral, part of the group of industrial minerals, with the chemical composition Al2Si2O54.
Kaolinite is a clay mineral, part of the group of industrial minerals, with the chemical composition Al2Si2O54.
Khatyrkite
Khatyrkite is a rare mineral which is mostly composed of copper and aluminium, but might contain up to about 15% of zinc or iron; its chemical structure is described by an approximate formula (C...
Khatyrkite is a rare mineral which is mostly composed of copper and aluminium, but might contain up to about 15% of zinc or iron; its chemical structure is described by an approximate formula (C...
Krotite
Krotite is a natural mineral composed of calcium, aluminium and oxygen, with the molecular formula CaAl2O4.
Krotite is a natural mineral composed of calcium, aluminium and oxygen, with the molecular formula CaAl2O4.
Kyanite
Kyanite, whose name derives from the Greek word kuanos sometimes referred to as "kyanos", meaning deep blue, is a typically blue silicate mineral, commonly found in aluminium-rich metamorphi...
Kyanite, whose name derives from the Greek word kuanos sometimes referred to as "kyanos", meaning deep blue, is a typically blue silicate mineral, commonly found in aluminium-rich metamorphi...
Laterite
BY ANANYA GOELLaterites are soil types rich in iron and aluminium, formed in hot and wet tropical areas.
BY ANANYA GOELLaterites are soil types rich in iron and aluminium, formed in hot and wet tropical areas.
Lawsonite
Lawsonite is a hydrous calcium aluminium sorosilicate mineral with formula CaAl2Si2O7(OH)2·H2O. Lawsonite crystallizes in the orthorhombic system in prismatic, often tabular ...
Lawsonite is a hydrous calcium aluminium sorosilicate mineral with formula CaAl2Si2O7(OH)2·H2O. Lawsonite crystallizes in the orthorhombic system in prismatic, often tabular ...
Lepidolite
Lepidolite (KLi2Al(Al,Si)3O10(F,OH)2 is a lilac-gray or rose-colored phyllosilicate mineral of the mica group that is a secondary source of lithium.
Lepidolite (KLi2Al(Al,Si)3O10(F,OH)2 is a lilac-gray or rose-colored phyllosilicate mineral of the mica group that is a secondary source of lithium.
Leucite
Leucite is a rock-forming mineral composed of potassium and aluminium tectosilicate KAlSi2O6.
Leucite is a rock-forming mineral composed of potassium and aluminium tectosilicate KAlSi2O6.
Liddicoatite
Liddicoatite is a rare member of the tourmaline group of minerals, elbaite subgroup, and the theoretical calcium endmember of the elbaite-liddicoatite series; the pure end-member has not yet be...
Liddicoatite is a rare member of the tourmaline group of minerals, elbaite subgroup, and the theoretical calcium endmember of the elbaite-liddicoatite series; the pure end-member has not yet be...
Lulzacite
Lulzacite is a strontium-containing phosphate mineral with the chemical formula Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10.
Lulzacite is a strontium-containing phosphate mineral with the chemical formula Sr2Fe2+(Fe2+,Mg)2Al4(PO4)4(OH)10.
Macaulayite
Macaulayite is a red, earthy, monoclinic mineral, with the chemical formula (Fe3+, Al)24Si4O43(OH)2.
Macaulayite is a red, earthy, monoclinic mineral, with the chemical formula (Fe3+, Al)24Si4O43(OH)2.
Marialite
Marialite is a silicate mineral with a chemical composition of Na4Al3Si9O24Cl if a pure endmember or Na4(AlSi3O8)3(Cl2,CO3,SO4) with increasing meioni...
Marialite is a silicate mineral with a chemical composition of Na4Al3Si9O24Cl if a pure endmember or Na4(AlSi3O8)3(Cl2,CO3,SO4) with increasing meioni...
Mariposite
Mariposite is a mineral which is a chromium-rich variety of mica, which imparts an attractive green color to the generally white dolomitic marble in which it is commonly found.
Mariposite is a mineral which is a chromium-rich variety of mica, which imparts an attractive green color to the generally white dolomitic marble in which it is commonly found.
Mayenite
Mayenite (after Mayen, Germany), Ca12Al14O33, is a rare calcium aluminium oxide mineral of cubic symmetry.
Mayenite (after Mayen, Germany), Ca12Al14O33, is a rare calcium aluminium oxide mineral of cubic symmetry.
Mendozite
Mendozite is a sulfate mineral, one of the alum series, with formula NaAl(SO4)2·11H2O. It is a hydrated form of sodium aluminium sulfate (soda alum).
Mendozite is a sulfate mineral, one of the alum series, with formula NaAl(SO4)2·11H2O. It is a hydrated form of sodium aluminium sulfate (soda alum).
Mesolite
Mesolite is a tectosilicate mineral with formula Na2Ca2(Al2Si3O10)3·8H2O. It is a member of the zeolite group and is closely related to natrolite which it also resemb...
Mesolite is a tectosilicate mineral with formula Na2Ca2(Al2Si3O10)3·8H2O. It is a member of the zeolite group and is closely related to natrolite which it also resemb...
Minyulite
Minyulite is a rare phosphate mineral discovered in 1933 and described by Simpson and Le Mesurier.
Minyulite is a rare phosphate mineral discovered in 1933 and described by Simpson and Le Mesurier.
Mordenite
Mordenite is a zeolite mineral with the chemical formula, (Ca, Na2, K2)Al2Si10O24·7H2O. It is a zeolite.
Mordenite is a zeolite mineral with the chemical formula, (Ca, Na2, K2)Al2Si10O24·7H2O. It is a zeolite.
Mundite
Mundite is a mineral of Uranium, the chemical formula is: Al(UO2)3(PO4)2(OH)3•5(H2O).
Mundite is a mineral of Uranium, the chemical formula is: Al(UO2)3(PO4)2(OH)3•5(H2O).
Muscovite
Muscovite (also known as common mica, isinglass, or potash mica) is a phyllosilicate mineral of aluminium and potassium with formula KAl2(AlSi3O10)(F,OH)2, or (...
Muscovite (also known as common mica, isinglass, or potash mica) is a phyllosilicate mineral of aluminium and potassium with formula KAl2(AlSi3O10)(F,OH)2, or (...
Nepheline
Nepheline, also called nephelite (from Greek: νέφος, "cloud"), is a feldspathoid: a silica-undersaturated aluminosilicate, Na3KAl4Si4O16, that occurs in intrusive and v...
Nepheline, also called nephelite (from Greek: νέφος, "cloud"), is a feldspathoid: a silica-undersaturated aluminosilicate, Na3KAl4Si4O16, that occurs in intrusive and v...
Nosean
Nosean, also known as Noselite, is a mineral of the feldspathoid group with formula: Na8Al6Si6O24(SO4).
Nosean, also known as Noselite, is a mineral of the feldspathoid group with formula: Na8Al6Si6O24(SO4).
Omphacite
Omphacite is a member of the pyroxene group of silicate minerals with formula: (Ca, Na)(Mg, Fe2+, Al)Si2O6.
Omphacite is a member of the pyroxene group of silicate minerals with formula: (Ca, Na)(Mg, Fe2+, Al)Si2O6.
Orthoclase
Orthoclase (endmember formula KAlSi3O8) is an important tectosilicate mineral which forms igneous rock.
Orthoclase (endmember formula KAlSi3O8) is an important tectosilicate mineral which forms igneous rock.
Perhamite
Perhamite is a phosphate mineral with the formula Ca3Al7(SiO4)3(PO4)4(OH)3·16.5(H2O).
Perhamite is a phosphate mineral with the formula Ca3Al7(SiO4)3(PO4)4(OH)3·16.5(H2O).
Phillipsite
Phillipsite is a mineral of the zeolite group; a hydrated potassium, calcium and aluminium silicate, approximating to (Ca,Na2,K2)3Al6Si10O32·12H2O. (Also with ...
Phillipsite is a mineral of the zeolite group; a hydrated potassium, calcium and aluminium silicate, approximating to (Ca,Na2,K2)3Al6Si10O32·12H2O. (Also with ...
Piemontite
Piemontite is a sorosilicate mineral in the monoclinic crystal system with the chemical formula Ca2(Al,Mn3+,Fe3+)3(SiO4)(Si2O7)O(OH).
Piemontite is a sorosilicate mineral in the monoclinic crystal system with the chemical formula Ca2(Al,Mn3+,Fe3+)3(SiO4)(Si2O7)O(OH).
Pollucite
Pollucite is a zeolite mineral with the formula (Cs,Na)2Al2Si4O12·2H2O with iron, calcium, rubidium and potassium as common substituting elements.
Pollucite is a zeolite mineral with the formula (Cs,Na)2Al2Si4O12·2H2O with iron, calcium, rubidium and potassium as common substituting elements.
Prehnite
Prehnite is a phyllosilicate of calcium and aluminium with the formula: Ca2Al(AlSi3O10)(OH)2.
Prehnite is a phyllosilicate of calcium and aluminium with the formula: Ca2Al(AlSi3O10)(OH)2.
Pyrophyllite
Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O102.
Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O102.
Rosenbergite
Rosenbergite is a mineral with the chemical formula AlF3·3H2O. It is colorless.
Rosenbergite is a mineral with the chemical formula AlF3·3H2O. It is colorless.
Ruby
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide).
A ruby is a pink to blood-red colored gemstone, a variety of the mineral corundum (aluminium oxide).
Sacrofanite
Sacrofanite is a rare silicate mineral that has the general formula of (Na,Ca)9(Si,Al)12O24(SO4,CO3,OH,Cl)4·n(H2O).
Sacrofanite is a rare silicate mineral that has the general formula of (Na,Ca)9(Si,Al)12O24(SO4,CO3,OH,Cl)4·n(H2O).
Saponite
Saponite is a trioctohedral mineral of the smectite group.
Saponite is a trioctohedral mineral of the smectite group.
Sapphire
Sapphire is a gemstone variety of the mineral corundum, an aluminium oxide.
Sapphire is a gemstone variety of the mineral corundum, an aluminium oxide.
Sapphirine
Sapphirine is a rare mineral, a silicate of magnesium and aluminium with the chemical formula (Mg,Al)8(Al,Si)6O20 (with iron as a major impurity).
Sapphirine is a rare mineral, a silicate of magnesium and aluminium with the chemical formula (Mg,Al)8(Al,Si)6O20 (with iron as a major impurity).
Sauconite
Sauconite is a complex phyllosilicate mineral of the smectite clay group, formula Na0.3Zn3(SiAl)4O10(OH)2·4H2O. It forms soft earthy bluish white to red-brown monoclinic ...
Sauconite is a complex phyllosilicate mineral of the smectite clay group, formula Na0.3Zn3(SiAl)4O10(OH)2·4H2O. It forms soft earthy bluish white to red-brown monoclinic ...
Scolecite
Scolecite is a tectosilicate mineral belonging to the zeolite group; it is a hydrated calcium silicate, CaAl2Si3O10.3H2O. Only minor amounts of sodium and traces of potassium sub...
Scolecite is a tectosilicate mineral belonging to the zeolite group; it is a hydrated calcium silicate, CaAl2Si3O10.3H2O. Only minor amounts of sodium and traces of potassium sub...
Scorzalite
Scorzalite ((Fe2+,Mg)Al2(OH,PO4)2) is a dark blue, phosphate mineral containing iron, magnesium, and aluminium phosphate.
Scorzalite ((Fe2+,Mg)Al2(OH,PO4)2) is a dark blue, phosphate mineral containing iron, magnesium, and aluminium phosphate.
Sekaninaite
Sekaninaite is a silicate mineral, the iron rich analogue of cordierite.
Sekaninaite is a silicate mineral, the iron rich analogue of cordierite.
Shigaite
Shigaite is a mineral with formula NaAl3(Mn2+)6(SO4)2(OH)18·12H2O that typically occurs as small, hexagonal crystals or thin coatings.
Shigaite is a mineral with formula NaAl3(Mn2+)6(SO4)2(OH)18·12H2O that typically occurs as small, hexagonal crystals or thin coatings.
Spessartine
Spessartine previously named spessartite, is a nesosilicate, manganese aluminium garnet species, Mn(II)3Al2(SiO4)3.
Spessartine previously named spessartite, is a nesosilicate, manganese aluminium garnet species, Mn(II)3Al2(SiO4)3.
Spodumene
Spodumene is a pyroxene mineral consisting of lithium aluminium inosilicate - LiAl(SiO3)2 - and is a source of lithium.
Spodumene is a pyroxene mineral consisting of lithium aluminium inosilicate - LiAl(SiO3)2 - and is a source of lithium.
Staurolite
Staurolite is a red brown to black, mostly opaque, nesosilicate mineral with a white streak.
Staurolite is a red brown to black, mostly opaque, nesosilicate mineral with a white streak.
Stellerite
Stellerite has a general formula of CaAl2Si7O18·7H2O. It is named after Georg Wilhelm Steller (1709–1746) who was a German explorer and zoologist that discovered it.
Stellerite has a general formula of CaAl2Si7O18·7H2O. It is named after Georg Wilhelm Steller (1709–1746) who was a German explorer and zoologist that discovered it.
Sugilite
Sugilite (also known as luvulite) is a relatively rare pink to purple cyclosilicate mineral with the complex chemical formula KNa2(Fe,Mn,Al)2Li3Si12O30.
Sugilite (also known as luvulite) is a relatively rare pink to purple cyclosilicate mineral with the complex chemical formula KNa2(Fe,Mn,Al)2Li3Si12O30.
Taaffeite
Taaffeite is a mineral named after its discoverer, Count Charles Richard Taaffe who found the first cut and polished gem in November 1945.
Taaffeite is a mineral named after its discoverer, Count Charles Richard Taaffe who found the first cut and polished gem in November 1945.
Tamarugite
Tamarugite (NaAl(SO4)2·6H2O) is a colorless monoclinic sulfate mineral.
Tamarugite (NaAl(SO4)2·6H2O) is a colorless monoclinic sulfate mineral.
Taranakite
Taranakite is a hydrated alkali iron-aluminium phosphate mineral with chemical formula3(,3+)5(PO4)2(HPO4)6·18H2O. It forms from the reaction of clay minerals or...
Taranakite is a hydrated alkali iron-aluminium phosphate mineral with chemical formula3(,3+)5(PO4)2(HPO4)6·18H2O. It forms from the reaction of clay minerals or...
Thomsenolite
Thomsenolite is a mineral, NaCaAlF6·H2O from Greenland.
Thomsenolite is a mineral, NaCaAlF6·H2O from Greenland.
Thuringite
Thuringite is a variety of the chlorite mineral chamosite, a hydrous iron and aluminium silicate mineral.
Thuringite is a variety of the chlorite mineral chamosite, a hydrous iron and aluminium silicate mineral.
Topaz
Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO4(F,OH)2.
Topaz is a silicate mineral of aluminium and fluorine with the chemical formula Al2SiO4(F,OH)2.
Tourmaline
Tourmaline is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium.
Tourmaline is a crystal boron silicate mineral compounded with elements such as aluminium, iron, magnesium, sodium, lithium, or potassium.
Tsavorite
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca3Al2Si3O12.
Tsavorite or tsavolite is a variety of the garnet group species grossular, a calcium-aluminium garnet with the formula Ca3Al2Si3O12.
Tschermigite
Tschermigite is a mineral form of ammonium alum, formula NH4AlSO4·12H2O. It is found in burning coal seams, bituminous shale and fumaroles.
Tschermigite is a mineral form of ammonium alum, formula NH4AlSO4·12H2O. It is found in burning coal seams, bituminous shale and fumaroles.
Turquoise
Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl6()4(OH)8·4.
Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula CuAl6()4(OH)8·4.
Upalite
Upalite (Al(UO2)3(PO4)2O(OH)·7H2O) is a mineral found in the Democratic Republic of Congo.
Upalite (Al(UO2)3(PO4)2O(OH)·7H2O) is a mineral found in the Democratic Republic of Congo.
Vanadiocarpholite
Vanadiocarpholite (Mn(II)V(III)Al(Si2O6)(OH)4) is straw yellow to brown mineral.
Vanadiocarpholite (Mn(II)V(III)Al(Si2O6)(OH)4) is straw yellow to brown mineral.
Vantasselite
Vantasselite is a rare aluminium phosphate mineral with formula: Al4(PO4)3(OH)3 •9H2O. It crystallizes in the orthorhombic system and has a white color, a hardness of 2 to 2....
Vantasselite is a rare aluminium phosphate mineral with formula: Al4(PO4)3(OH)3 •9H2O. It crystallizes in the orthorhombic system and has a white color, a hardness of 2 to 2....
Vesuvianite
Vesuvianite, also known as idocrase, is a green, brown, yellow, or blue silicate mineral.
Vesuvianite, also known as idocrase, is a green, brown, yellow, or blue silicate mineral.
Wardite
Wardite is a hydrous sodium aluminium phosphate hydroxide mineral with formula: NaAl3(PO4)2(OH)4·2(H2O).
Wardite is a hydrous sodium aluminium phosphate hydroxide mineral with formula: NaAl3(PO4)2(OH)4·2(H2O).
Woodhouseite
Woodhouseite belongs to the beudantite group AB3(XO4)(SO4)(OH)6 where A = Ba, Ca, Pb or Sr, B = Al or Fe and X = S, As or P. Minerals in this group are isostructural with each o...
Woodhouseite belongs to the beudantite group AB3(XO4)(SO4)(OH)6 where A = Ba, Ca, Pb or Sr, B = Al or Fe and X = S, As or P. Minerals in this group are isostructural with each o...
Yogo sapphire
Yogo sapphires are a variety of corundum found only in Yogo Gulch, located in central Montana in the Little Belt Mountains in Judith Basin County, Montana on land once inhabited by the Piegan Bl...
Yogo sapphires are a variety of corundum found only in Yogo Gulch, located in central Montana in the Little Belt Mountains in Judith Basin County, Montana on land once inhabited by the Piegan Bl...
Zaccagnaite
Zaccagnaite is a mineral, with a formula Zn4Al2CO3(OH)12·3H2O. It occurs as white hexagonal crystals associated with calcite in cavites in Carrera Marble of the Italian Alps ...
Zaccagnaite is a mineral, with a formula Zn4Al2CO3(OH)12·3H2O. It occurs as white hexagonal crystals associated with calcite in cavites in Carrera Marble of the Italian Alps ...
Zaherite
Zaherite is a mineral, a complex sulfate of aluminium, formula Al12(OH)26(SO4)5·20H2O. Discovered in 1977 in the Salt range, Punjab, Pakistan by Mohamed Abduz Zaher of the Ba...
Zaherite is a mineral, a complex sulfate of aluminium, formula Al12(OH)26(SO4)5·20H2O. Discovered in 1977 in the Salt range, Punjab, Pakistan by Mohamed Abduz Zaher of the Ba...
Zanazziite
Zanazziite is a complex hydrated phosphate mineral from the rosherite group, it is a new magnesium beryllium phosphate mineral.
Zanazziite is a complex hydrated phosphate mineral from the rosherite group, it is a new magnesium beryllium phosphate mineral.
Zharchikhite
Zharchikhite is a mineral, a hydroxy fluoride of aluminium; formula AlF(OH)2.
Zharchikhite is a mineral, a hydroxy fluoride of aluminium; formula AlF(OH)2.
Zhemchuzhnikovite
Zhemchuzhnikovite is a mineral of organic origin; formula NaMg(FeAl)C2O4.8H2O. It forms smokey green crystals with a vitreous lustre and is found in Russian coal mines.
Zhemchuzhnikovite is a mineral of organic origin; formula NaMg(FeAl)C2O4.8H2O. It forms smokey green crystals with a vitreous lustre and is found in Russian coal mines.
Zinnwaldite
Zinnwaldite, KLiFeAl(AlSi3)O10(OH,F)2, is a potassium lithium iron aluminium silicate hydroxide fluoride silicate mineral in the mica group.
Zinnwaldite, KLiFeAl(AlSi3)O10(OH,F)2, is a potassium lithium iron aluminium silicate hydroxide fluoride silicate mineral in the mica group.
Zoisite
Zoisite, first known as saualpite, after its type locality, is a calcium aluminium hydroxy sorosilicate belonging to the epidote group of minerals.
Zoisite, first known as saualpite, after its type locality, is a calcium aluminium hydroxy sorosilicate belonging to the epidote group of minerals.
Zorite
Zorite is a silicate mineral with the chemical formula of Na2Ti(Si,Al)3O9·nH2O. It is named because of its pink color, after the Russian word "zoria" which refers to the rosy hue...
Zorite is a silicate mineral with the chemical formula of Na2Ti(Si,Al)3O9·nH2O. It is named because of its pink color, after the Russian word "zoria" which refers to the rosy hue...
Zultanite
Diaspore is a native aluminium oxide hydroxide, α-AlO(OH), crystallizing in the orthorhombic system and isomorphous with goethite.
Diaspore is a native aluminium oxide hydroxide, α-AlO(OH), crystallizing in the orthorhombic system and isomorphous with goethite.
Zunyite
Zunyite is a sorosilicate mineral, Al13Si5O20(OH,F)18Cl, composed of aluminium, silicon, hydrogen, chlorine, oxygen, and fluorine.
Zunyite is a sorosilicate mineral, Al13Si5O20(OH,F)18Cl, composed of aluminium, silicon, hydrogen, chlorine, oxygen, and fluorine.