Flashcards: Phyllosilicates

Biotite is a common phyllosilicate mineral within the mica group, with the approximate chemical formula K(Mg,Fe)3AlSi3O10(OH)2.

Pyrophyllite is a phyllosilicate mineral composed of aluminium silicate hydroxide: Al2Si4O10(OH)2.

Phlogopite is a yellow, greenish, or reddish-brown member of the mica family of phyllosilicates.

Halloysite is a 1:1 aluminosilicate clay mineral with the empirical formula Al2Si2O5(OH)4.

Lepidolite is a lilac-gray or rose-colored member of the mica group with formula K(Li,Al,Rb)3(Al,Si)4O10(F,OH)2.

Chrysocolla is a hydrated copper phyllosilicate mineral with formula: Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x<1) or (Cu,Al)2H2Si2O5(OH)4·nH2O.

Cavansite, whose name is derived from its chemical composition, calcium vanadium silicate, is a deep blue hydrous calcium vanadium phyllosilicate mineral, occurring as a secondary mineral in basaltic and andesitic rocks along with a variety of zeolite minerals.

Kaolinite /ˈkeɪəlᵻˌnaɪt/ is a clay mineral, part of the group of industrial minerals, with the chemical composition Al2Si2O5(OH)4.

The chlorites are a group of phyllosilicate minerals.

Sepiolite, also known as meerschaum (/ˈmɪərʃɔːm/ MEER-shawm or /ˈmɪərʃəm/ MEER-shəm, German for foam of the sea) is a soft white clay mineral, often used to make tobacco pipes (known as meerschaum pipes).

Okenite (CaSi2O5·2H2O) is a silicate mineral that is usually associated with zeolites.

Ajoite is a hydrated sodium potassium copper aluminium silicate hydroxide mineral.

The name apophyllite refers to a specific group of phyllosilicates, a class of minerals.

Ekanite is an uncommon mineral notable primarily as being among the very few gemstones that are naturally radioactive.

Allophane is an amorphous to poorly crystalline hydrous aluminium silicate clay mineraloid.

Nelenite is a rare manganese iron phyllosilicate arsenate mineral found in Franklin Furnace, New Jersey.

Ussingite is a silicate mineral with formula Na2AlSi3O8(OH).

Chapmanite is a rare silicate mineral belonging to the nesosilicate group, discovered in 1924, and named in honour of the late Edward John Chapman (1821–1904), a geology professor at the University of Toronto.

Apophyllite-(KF) or fluorapophyllite is a mineral of the apophyllite group, with the chemical formula of KCa4Si8O20(F,OH)·8(H2O).

Annite is a phyllosilicate mineral in the mica family.

Caryopilite (synonymous with ectropite and ektropite) is a brown-colored mineral with formula (Mn2+,Mg)3Si2O5(OH)4.

Carletonite is a rare silicate mineral with formula KNa4Ca4(CO3)4Si8O18(F,OH)·(H2O).

Brammallite is a sodium rich analogue of illite.

Chamosite is the Fe2+end member of the chlorite group.

Cymrite is a silicate mineral with the chemical formula BaAl2Si2(O,OH)8·H2O.

Clintonite is a calcium magnesium aluminium phyllosilicate mineral.

Dickite (Al2Si2O5(OH)4) is a phyllosilicate clay mineral named after the metallurgical chemist Allan Brugh Dick, who first described it.

Ephesite is a rare member of the mica silicate mineral group, phyllosilicate.

Fraipontite is a zinc aluminium silicate mineral with a formula of (Zn,Al)3(Si,Al)2O5(OH)4.

Franklinphilite is a phyllosilicate of the stilpnomelane group, found exclusively from the Franklin and Sterling Hill mines in Franklin, Sussex County, New Jersey.

Hisingerite is an iron(III) phyllosilicate mineral with formula Fe3+2Si2O5(OH)4·2H2O.

Greenalite is a mineral in the kaolinite-serpentine group with the chemical composition (Fe2+,Fe3+)2-3Si2O5OH4.

Gyrolite (NaCa16Si23AlO6(OH)8·14H2O) is a silicate mineral that is usually associated with zeolites.

Kampfite is a rare barium silicate–carbonate–halide mineral with formula: Ba12(Si11Al5)O31(CO3)8Cl5.

Imogolite is an aluminium silicate clay mineral with formula: Al2SiO3(OH)4.

Kegelite is a complex silicate mineral with formula Pb8Al4Si8O20(SO4)2(CO3)4(OH)8.

Macdonaldite is a rare barium silicate mineral with a chemical formula of BaCa4Si16O36(OH)2·10H2O.

Macaulayite is a red, earthy, monoclinic mineral, with the chemical formula (Fe3+, Al)24Si4O43(OH)2.

Magadiite is a hydrous sodium silicate mineral (NaSi7O13(OH)3·4(H2O)) which precipitates from alkali brines as an evaporite phase.

Neptunite is a silicate mineral with the formula KNa2Li(Fe2+, Mn2+)2Ti2Si8O24.

Minnesotaite is an iron silicate mineral with formula: (Fe2+,Mg)3Si4O10(OH)2.

Pentagonite is a rare silicate mineral with formula Ca(VO)Si4O10·4(H2O).

Pimelite was discredited as a mineral species by the International Mineralogical Association (IMA) in 2006, in an article which suggests that “pimelite” specimens are probably willemseite (which is approved), or kerolite (which is also discredited).

Sanbornite is a rare barium phyllosilicate mineral with formula BaSi2O5.

Searlesite is a sodium borosilicate mineral, with the chemical formula NaBSi2O5(OH)2.

Siderophyllite is a rare member of the mica group of silicate minerals with formula KFe2+2Al(Al2Si2)O10(F,OH)2.

Stilpnomelane is a phyllosilicate mineral.

Tumchaite, Na2(Zr,Sn)Si4O11•H2O, is a colorless to white monoclinic phyllosilicate mineral.

Tuperssuatsiaite is a rare clay mineral found in Greenland, Namibia and Brazil.

Zussmanite (K(Fe2+,Mg,Mn)13[AlSi17O42](OH)14) is a hydrated iron-rich silicate mineral.