Malachite-bearing Rock
Cu2CO3(OH)2
mineral
Category
Mineral (Tectosilicate)
Browse mineral (tectosilicate) specimens identified by the Rock Identifier community.
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Copper Ore / Altered Granodiorite
Cupriferous rock with silicate gangue
mineral
Graphite
Carbon (C)
mineral
Galena
Lead Sulfide (PbS)
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Chrysotile Asbestos
Chrysotile (Mg3Si2O5(OH)4)
mineral
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Muscovite Mica
KAl2(AlSi3O10)(OH)2
mineral
Muscovite Mica
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Epidote
Epidote (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
K-Feldspar (Potassium Feldspar)
Orthoclase / Microcline (KAlSi3O8)
mineral
Microcline Feldspar
KAlSi3O8
mineral
Graphite
Graphite (Carbon, C)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Limonite
FeO(OH)·nH2O
mineral
Limonite
FeO(OH)·nH2O (Hydrated iron oxide-hydroxide)
mineral
Muscovite
Muscovite (KAl2(AlSi3O10)(OH)2)
mineral
Greenschist
Chlorite Schist (Greenschist Facies)
metamorphic
Sodalite
Na8Al6Si6O24Cl2
mineral
Granite with Mafic Xenolith
Intrusive Igneous Rock (Felsic to Intermediate)
igneous
Gneiss
Gneiss (foliated metamorphic rock)
metamorphic
Amygdaloidal Basalt with Quartz Veining
Basalt (Extrusive Igneous Rock) with Quartz (SiO2) veining
igneous
Granite
Granite (Phaneritic Quartz-Feldspar Plutonic Rock)
igneous
Granite
Granite (Felsic Plutonic Rock)
igneous
Bornite
Bornite (Cu5FeS4)
mineral
Pyrite with Quartz
Iron Sulfide (FeS2) with Silicon Dioxide (SiO2)
mineral
Shale
Shale (clastic sedimentary rock)
Sedimentary
Calcite (commonly referred to as Orange Calcite or Honey Calcite given its color)
Calcite
Mineral
Copper Ore
Cupriferous Rock / Mixed Mineral Matrix
igneous
Gneiss (specifically Banded Gneiss)
Gneiss
metamorphic
Small weathered fossil or mineral fragment
Indeterminate; possibly fossilized shell, bone, or a pale carbonate mineral
fossil
Pyrite in Quartz
Iron Sulfide (FeS2) in Silicon Dioxide (SiO2)
Mineral
Quartz Vein in Sedimentary Rock
Silicon Dioxide (SiO2) with host Chert or Limestone
mineral
Limonite pseudo-concretion (Ironstone)
Limonite (FeO(OH)·nH2O) / Goethite
sedimentary
Quartz Pebble
Quartz (Silicon Dioxide - SiO2)
mineral
Limonite Stained Basalt
Hydrated Iron Oxide on Mafic Volcanic Rock (FeO(OH)·nH2O)
igneous
Quartz-rich pegmatite fragment
Granite-family pegmatite; chiefly quartz (SiO₂), feldspar, and black mica (biotite)
igneous
Sandstone (with Limonite staining)
Arenite (primarily SiO2 with FeO(OH)·nH2O)
sedimentary
Granite
Intrusive Igneous Rock
igneous
Granite
Intrusive igneous felsic rock
igneous
Fossil Shark Tooth
Carcharocles (Otodus) sp. or similar fossilized Chondrichthyes tooth
sedimentary
Botryoidal Hematite
Iron(III) oxide (Fe2O3)
mineral