Strata

Minerals

Species on the IMA list, with formula, system, hardness and type locality.

A

• Actinolite— Ca2(Mg,Fe2+)5Si8O22(OH)2
• Adamite— Zn2(AsO4)(OH)
• Agate— SiO2
• Albite— Na(AlSi3O8)
• Almandine— Fe2+3Al2(SiO4)3
• Amethyst— SiO2
• Anatase— TiO2
• Andalusite— Al2(SiO4)O
• Anglesite— PbSO4
• Apatite— Ca5(PO4)3(F,Cl,OH)
• Apophyllite— KCa4(Si8O20)(F,OH)·8H2O
• Aquamarine— Be3Al2(Si6O18)
• Aragonite— CaCO3
• Augite— (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6
• Azurite— Cu3(CO3)2(OH)2

B

• Barite— Ba(SO4)
• Beryl— Be3Al2(Si6O18)
• Biotite— K(Mg,Fe)3(AlSi3O10)(OH)2 (series)
• Bismuth— Bi
• Bornite— Cu5FeS4
• Brookite— TiO2

C

• Calcite— CaCO3
• Cassiterite— SnO2
• Cavansite— Ca(VO)(Si4O10)·4H2O
• Celestine— Sr(SO4)
• Cerussite— PbCO3
• Chalcedony— SiO2
• Chalcopyrite— CuFeS2
• Chondrite— Olivine, pyroxene, Fe–Ni metal, chondrules
• Chrysoberyl— BeAl2O4
• Chrysocolla— Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O
• Chrysotile— Mg3Si2O5(OH)4
• Citrine— SiO2
• Corundum— Al2O3
• Covellite— CuS
• Crocoite— Pb(CrO4)
• Cuprite— Cu2O

D

• Danburite— CaB2Si2O8
• Diopside— CaMgSi2O6
• Dioptase— Cu6Si6O18·6H2O
• Dolomite— CaMg(CO3)2

E

• Elbaite— Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3(OH)
• Emerald— Be3Al2(Si6O18)
• Epidote— Ca2(Al2Fe3+)(Si2O7)(SiO4)O(OH)

F

• Fluorite— CaF2
• Fulgurite— SiO2 glass (lechatelierite)

G

• Galena— PbS
• Garnet group— X3Y2(SiO4)3 (group)
• Goethite— α-Fe3+O(OH)
• Gold— Au
• Grossular— Ca3Al2(SiO4)3
• Gypsum— Ca(SO4)·2H2O

H

• Halite— NaCl
• Hematite— Fe2O3
• Hemimorphite— Zn4Si2O7(OH)2·H2O
• Heulandite— (Ca,Na)2-3Al3(Al,Si)2Si13O36·12H2O
• Hornblende— Ca2(Mg,Fe,Al)5(Al,Si)8O22(OH)2 (series)

I

• Iron meteorite— Fe–Ni alloy (kamacite, taenite)

J

• Jadeite— Na(Al,Fe3+)Si2O6
• Jasper— SiO2

K

• Kyanite— Al2(SiO4)O

L

• Labradorite— (Ca,Na)(Al,Si)4O8
• Lazurite— Na7Ca(Al6Si6O24)(SO4)(S3)·H2O
• Lepidolite— K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (series)
• Limonite— FeO(OH)·nH2O (mixture)

M

• Magnetite— Fe2+Fe3+2O4
• Malachite— Cu2(CO3)(OH)2
• Marcasite— FeS2
• Microcline— K(AlSi3O8)
• Mimetite— Pb5(AsO4)3Cl
• Moldavite— SiO2-rich impact glass
• Moonstone— K(AlSi3O8) / Na(AlSi3O8) intergrowth
• Morganite— Be3Al2(Si6O18)
• Muscovite— KAl2(AlSi3O10)(OH)2

N

• Native copper— Cu
• Natrolite— Na2Al2Si3O10·2H2O
• Nephrite— Ca2(Mg,Fe)5Si8O22(OH)2 (fibrous actinolite–tremolite)

O

• Obsidian— SiO2-rich volcanic glass
• Okenite— Ca10Si18O46·18H2O
• Olivine— (Mg,Fe)2SiO4 (forsterite–fayalite series)
• Opal— SiO2·nH2O
• Orthoclase— K(AlSi3O8)

P

• Pallasite— Olivine in Fe–Ni metal
• Petrified wood— SiO2 (chalcedony/opal replacing wood)
• Prehnite— Ca2Al2Si3O10(OH)2
• Pyrite— FeS2
• Pyromorphite— Pb5(PO4)3Cl

Q

• Quartz— SiO2

R

• Rhodochrosite— MnCO3
• Rhodonite— CaMn3Mn(Si5O15)
• Rose quartz— SiO2
• Rutile— TiO2

S

• Scheelite— Ca(WO4)
• Schorl— NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)
• Septarian— CaCO3 (calcite) with aragonite and clay
• Serpentine— Mg3Si2O5(OH)4 (group)
• Siderite— FeCO3
• Sillimanite— Al2(SiO4)O
• Silver— Ag
• Smithsonite— ZnCO3
• Smoky quartz— SiO2
• Sodalite— Na8(Al6Si6O24)Cl2
• Spessartine— Mn2+3Al2(SiO4)3
• Sphalerite— ZnS
• Spinel— MgAl2O4
• Staurolite— Fe2+2Al9Si4O23(OH)
• Stilbite— NaCa4(Si27Al9)O72·28H2O
• Sugilite— KNa2(Fe,Mn,Al)2Li3Si12O30
• Sulfur— S

T

• Talc— Mg3Si4O10(OH)2
• Tektite— SiO2-rich impact glass
• Topaz— Al2(SiO4)(F,OH)2
• Tourmaline— XY3Z6(T6O18)(BO3)3V3W (group)
• Tremolite— Ca2Mg5Si8O22(OH)2
• Turquoise— Cu(Al,Fe3+)6(PO4)4(OH)8·4H2O

V

• Vanadinite— Pb5(VO4)3Cl
• Vesuvianite— (Ca,Na)19(Al,Mg,Fe)13(SiO4)10(Si2O7)4(OH,F,O)10

W

• Wulfenite— Pb(MoO4)

Z

• Zircon— Zr(SiO4)
• Zoisite— Ca2Al3(Si2O7)(SiO4)O(OH)