Rhodochrosite
Manganese Carbonate (MnCO3)
mineral
Category
Mineral Composite
Browse mineral composite specimens identified by the Rock Identifier community.
Learn about Mineral Composite in the encyclopedia
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Limonite (Iron Ore)
Limonite (FeO(OH)·nH2O)
mineral
Basalt with Amygdule
Aphanitic Mafic Volcanic Rock (Basalt) with Zeolite/Quartz Infill
igneous
Shale
Sedimentary rock composed of clay minerals and quartz
sedimentary
Banded Gneiss
Gneiss
metamorphic
Pyrite
Iron Pyrite (FeS2)
mineral
Eudialyte
Na15Ca6Fe3Zr3Si(Si25O73)(O,OH,H2O)3(Cl,OH)2
mineral
Tiger's Eye
Quartz pseudomorph after crocidolite (SiO2)
gemstone
Granite
Phaneritic Felsic Igneous Rock
igneous
Botryoidal Prehnite
Prehnite (Ca2Al(AlSi3O10)(OH)2)
mineral
Pegmatite
Pegmatite (felsic intrusive igneous rock)
igneous
Mixed Mineral Collection (Quartz, Amethyst, Rose Quartz, Pyrite, etc.)
Mixed Silicates and Sulfides (SiO2, FeS2)
mineral
Granite
Intrusive Igneous Rock
igneous
Sandstone with Ironstone Concretion
Arenite with Ferruginous Cement
sedimentary
Granite
Intrusive Igneous Rock (composed of quartz, alkali feldspar, and plagioclase)
igneous
Limonite Sandstone
Ferruginous Sandstone (Hydrated Iron Oxide)
sedimentary
Granite
Felsic intrusive igneous rock
igneous
Malachite
Copper Carbonate Hydroxide (Cu2CO3(OH)2)
mineral
Malachite
Malachite (Cu2CO3(OH)2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gneiss
Gneiss
metamorphic
Sandstone with Quartz/Calcite druse
Arenite with druse (SiO2 or CaCO3)
sedimentary
Sandstone
Sedimentary Rock (Quartzose Sandstone)
sedimentary
Sandstone (Pebble)
Arenite (primarily SiO2)
sedimentary
Limonite Ironstone
Goethite-Limonite concretion / Iron oxide
sedimentary
Basalt with Vesicular/Amygdaloidal Alteration
Extrusive Igneous Rock (Mafic)
igneous
Epidote
Calcium aluminum iron silicate (Ca2(Al, Fe)3(SiO4)3(OH))
mineral
Epidote
Epidote (Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH))
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Gypsum (Selenite sand)
Calcium sulfate dihydrate (CaSO4·2H2O)
mineral
Fluorite on Host Rock
Calcium Fluoride (CaF2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Blue Apatite
Calcium phosphate mineral, Ca5(PO4)3(F,Cl,OH)
mineral
Blue Apatite
Ca5(PO4)3(F,Cl,OH)
mineral
Gneiss (Metamorphic Pebble)
Gneiss (SiO2-rich metamorphic rock)
metamorphic
Diorite
Diorite (Phaneritic intermediate plutonic rock)
igneous
Gneiss
Gneiss (Metamorphic Rock)
metamorphic
Diorite
Diorite (Intermediate intrusive igneous rock)
igneous
Gneiss
Gneiss
metamorphic
Granite
Granite (Felsic Plutonic Rock)
igneous
Granodiorite
Granodiorite
igneous
Sandstone
Sandstone (SiO2-rich framework with variable matrix)
sedimentary