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List of potential Fe-bearing minerals on the Martian surface, in order by Dana classification

 

Mineral Species

Mineral Group

Mineral Formula

pentlandite

sulfide

(Fe,Ni)9S8

pyrrhotite

sulfide

Fe1-xS

pyrite

sulfide

FeS2

hematite (nanophase)

oxide

alpha-Fe2O3

hematite and titanohematite

oxide

alpha-Fe2O3

ferrihydrite

oxide

5Fe2O8·9H2O

perovskite

oxide

CaTiO3  [(Ca,Na)(Nb,Ti,Fe)O3]

maghemite

spinel

gamma-Fe2O3

goethite

hydroxide

alpha-FeO(OH)

lepidocrocite

hydroxide

gamma-FeO(OH)

feroxyhyte

hydroxide

delta-FeO(OH)

akaganéite

hydroxide

beta-FeO(OH)

schwertmannite

hydroxide

Fe16O16(OH)y(SO4)z·nH2O

hercynite

spinel

Fe2+Al2O4

magnesioferrite

spinel

MgFe3+2O4

magnetite

spinel

Fe2+Fe3+2O4

siderite

carbonate

Fe2+CO3

ankerite

carbonate

Ca(Fe2+,Mg,Mn)(CO3)2

hydromagnesite

carbonate

Mg5(CO3)4(OH)2·4H2O

rhomboclase

sulfate

Hfe3+(SO4)2·4H2O

melanterite

sulfate

Fe2+SO4·7H2O

hydronium jarosite, natrojarosite

sulfate

(H3O+)2Fe3+6(SO4)4(OH)12Na2Fe3+6 (SO4)4(OH)12

fayalite

olivine

Fe2+2SiO4

laihunite

olivine

Fe2+Fe3+2(SiO4)2

almandine

garnet

Fe3+2Al2(SiO4)3

andradite

garnet

Ca3Fe3+2(SiO4)3

pigeonite

clinopyroxene

(Mg,Fe2+,Ca)(Mg,Fe2+)Si2O6

enstatite/ ferrosilite

orthopyroxene

(Mg,Fe2+)2Si2O6

hedenbergite

clinopyroxene

CaFe2+Si2O6

augite

clinopyroxene

(Ca,Na)(Mg,Fe2+,Al,Ti)(Si,Al)2O6

anthophyllite

amphibole

(Mg,Fe2+)7Si8O22(OH)2

actinolite

amphibole

Ca2(Mg,Fe2+)5Si8O22(OH)2

kaersutite

amphibole

NaCa2(Mg,Fe2+)4Ti(Si6Al2)O22(OH)2

kaolinite

kaolinite-serpentine

Al2Si2O5(OH)4

antigorite, chrysotile, and lizardite

kaolinite-serpentine

(Mg,Fe2+)3Si2O5(OH)4

muscovite

mica

KAl2(Si3Al)O10(OH,F)2

glauconite

mica

(K,Na)(Fe3+,Al,Mg)2(Si,Al)4O10(OH)2

biotite

mica

K(Mg,Fe2+)3(Al,Fe3+)Si3O10(OH,F)2

annite

mica

KFe2+3AlSi3O10(OH,F)2

“illite”

mica-clay

(K,H3O)(Al,Mg,Fe)2(Si,Al)4O10[(OH)2, H2O]

“smectite”

mica-clay

 

montmorillonite

smectite

(Na,Ca)0.3(Al,Mg)2Si4O10(OH)2·nH2O

nontronite

smectite

Na0.33Fe2(Si,Al)4O10·nH2O

chamosite

chlorite

(Fe2+Mg,Fe3+)5Al(Si3Al)O10(OH)8

anorthite-albite

feldspar

CaAl2Si2O8-NaAlSi3O8

 

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Copyright © 2004 Mount Holyoke College. This document has been improperly attributed. Last modified on January 20, 2004.