Peridot
Olivine (Mg, Fe)2SiO4
mineral
Category
Mineral (Processed Metal)
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrated Iron Oxide)
mineral
Moqui Marble
Iron Oxide Concretion (Hematite/Goethite-cemented Sandstone)
sedimentary
Sunstone
Plagioclase Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Titanium Aura Quartz (Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2)
mineral
Asphalt / Bituminous Aggregate
Bituminous mixture (Hydrocarbon-based sediment)
sedimentary
Fluorite
Calcium Fluoride (CaF2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Schist
Mica Schist (Composition typically involves Muscovite, Biotite, Quartz, and Feldspar)
metamorphic
Aventurine
Silicon Dioxide (SiO2 with inclusions of Fuchsite mica)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Native Gold (in earring form)
Gold (Au)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Basalt
Basalt (composition predominately Plagioclase feldspar and Pyroxene)
igneous
Fluorite
Calcium Fluoride (CaF2)
mineral
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Sunstone
Oligoclase (a variety of Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8
mineral
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Marble (Calcitic)
Metamorphosed Limestone (CaCO3)
metamorphic
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Labradorite
(Ca, Na)(Al, Si)4O8 (Plagioclase Feldspar)
mineral
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2 + K(Al,Cr)2AlSi3O10(OH)2
mineral
Pyrite Geode (Sparkling Druzy)
Iron Sulfide (FeS2) in Sedimentary Nodule
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions (typically Fuchsite)
mineral
Limonite (with goethite)
Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)
mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Green Aventurine
Silicon dioxide with Fuscite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Arsenopyrite
Arsenopyrite (FeAsS)
mineral
Sunstone (Feldspar)
Plagioclase Feldspar ((Ca, Na)(Al, Si)4O8)
mineral
Arsenopyrite in Quartz Matrix
Arsenopyrite (FeAsS)
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Labradorite (Larvikite variety)
Plagioclase Feldspar (Na,Ca)(Si,Al)4O8
igneous
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Limonite after Pyrite (Pseudomorph)
FeO(OH)·nH2O following FeS2
mineral
Gold
Native Gold (Au)
mineral
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral