EENS 2110
FORMAULAE OF COMMON MINERALS

 

ORTHOSILICATES (NESOSILICATES)

SHEET SILICATES (PHYLLOSILICATES)

Forsterite

Mg2SiO4

Muscovite

KAl3Si3O10(OH)2

Fayalite

Fe2SiO4

Biotite

K(Mg,Fe)3AlSi3O10(OH)2

Zircon

ZrSiO4

Talc

Mg3Si4O10(OH)2

Sphene

CaTiSiO4

Chlorite

(Mg,Fe,Al)6(Si,Al)4O10(OH)8

Pyrope

Mg3Al2Si3O12

Serpentine

Mg3Si2O5(OH)4

Almandine

Fe3Al2Si3O12

Kaolinite

Al2Si2O5(OH)4

Grossularite

Ca3Al2Si3O12

 

 

Sillimanite

Al2SiO5

FRAMEWORK SILICATES (TECTOSILICATES)

Kyanite

Al2SiO5

Andalusite

Al2SiO5

Anorthite

CaAl2Si2O8

Staurolite

(Fe,Mg)2Al9Si4O22(OH)2

Albite

NaAlSi3O8

Topaz

Al2SiO4(OH)2

Sanidine

KAlSi3O8

 

 

Orthoclase

KAlSi3O8

 

 

Quartz 

SiO2

SOROSILICATES

Cristobalite

SiO2

Lawsonite

CaAl2Si2O7(OH)2.H2O

Tridymite

SiO2

Epidote

Ca2Fe+3Al2Si3O12(OH)

Nepheline

NaAlSiO4

Clinozoisite

Ca2Al3Si3O12(OH)

Kalsilite

KAlSiO4

 

 

Leucite

KAlSi2O6

CYCLOSILICATES

 

 

Beryl

Be3Al2Si6O18

OXIDES

Cordierite

Al4(Mg,Fe)2Si5O18

Periclase

MgO

 

 

Corundum

Al2O3

Hematite

Fe2O3

CHAIN SILICATES (INOSILICATES)

Magnetite

Fe3O4

Enstatite

MgSiO3

Ilmenite

FeTiO3

Ferrosilite

FeSiO3

Rutile   

TiO2

Hypersthene

(Mg,Fe)SiO3

Spinel

MgAl2O4

Diopside

CaMgSi2O6

 

 

Hedenbergite

CaFeSi2O6

HYDROXIDES

Acmite

NaFe+3Si2O6

Brucite

Mg(OH)2

Jadeite

NaAlSi2O6

Gibbsite

Al(OH)3

Wollastonite

CaSiO3

Goethite

FeO.OH

Tremolite

Ca2Mg5Si8O22(OH)2

 

 

Actinolite

Ca2(Mg,Fe)5Si8O22(OH)2

 

Hornblende

(Na,K)0-1Ca2(Mg,Fe,Al)5Si6-7Al2-1O22(OH,F)2

   

 

 

 

 

 

SULFIDES

CARBONATES

Pyrite  

FeS2

Calcite

CaCO3

Chalcopyrite

CuFeS2

Siderite

FeCO3

Sphalerite

ZnS

Magnesite

MgCO3

Galena 

PbS

Dolomite

CaMg(CO3)2

Cinnabar

HgS

 

 

Covelite

CuS

PHOSPHATES

Bornite

Cu5FeS4

Apatite

Ca5(PO4)3(OH,F,CL)

Molybdenite

MoS2

 

 

 

HALIDES

 

 

Fluorite

CaF2

 

 

Halite

NaCl

SULFATES

Sylvite 

KCl

Gypsum

CaSO4.2H2O

 

 

Anhydrite

CaSO4

 

 

Barite

BaSO4

 

 

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