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)₅Si_6-7Al_2-1O₂₂(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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