Rock Identifier

Category

Anthropogenic Material (Man Made Rock)

Browse anthropogenic material (man made rock) specimens identified by the Rock Identifier community.

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

mineral
Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

mineral
Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

mineral
Pink Quartzite (Metamorphosed Quartz Arenite (SiO2)) — metamorphic

Pink Quartzite

Metamorphosed Quartz Arenite (SiO2)

metamorphic
Anthracite Coal (Anthracite (high-rank coal)) — metamorphic

Anthracite Coal

Anthracite (high-rank coal)

metamorphic
Yellow Jasper (Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions

sedimentary
Phyllite (Phyllite) — metamorphic

Phyllite

Phyllite

metamorphic
Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

mineral
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

sedimentary
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Turquoise (CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)) — mineral

Turquoise

CuAl6(PO4)4(OH)8·4H2O (Hydrous phosphate of copper and aluminium)

mineral
Crushed Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Crushed Limestone

Calcium Carbonate (CaCO3)

sedimentary
Schist (Mica Schist (primarily consisting of muscovite, biotite, and quartz)) — metamorphic

Schist

Mica Schist (primarily consisting of muscovite, biotite, and quartz)

metamorphic
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Limestone (specifically Travertine or Tufa) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (specifically Travertine or Tufa)

Calcium Carbonate (CaCO3)

sedimentary
Milky Quartz (with potential inclusion) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (with potential inclusion)

Silicon Dioxide (SiO2)

mineral
Fluorite (Green Fluorite) (Calcium Fluoride (CaF2)) — mineral

Fluorite (Green Fluorite)

Calcium Fluoride (CaF2)

mineral
Petrified Wood (Silicified Wood (primarily SiO2)) — sedimentary

Petrified Wood

Silicified Wood (primarily SiO2)

sedimentary
Chert Nodule (with Flint core) (Sedimentary Cryptocrystalline Quartz (SiO2)) — sedimentary

Chert Nodule (with Flint core)

Sedimentary Cryptocrystalline Quartz (SiO2)

sedimentary
Granite fragment (Granite) — igneous

Granite fragment

Granite

igneous
Obsidian (Black) (Obsidian (High-silica volcanic glass)) — igneous

Obsidian (Black)

Obsidian (High-silica volcanic glass)

igneous
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Diabase (Greenstone) (Diabase (Dolerite)) — igneous

Diabase (Greenstone)

Diabase (Dolerite)

igneous
Rose Quartz (SiO2 (Silicon Dioxide)) — mineral

Rose Quartz

SiO2 (Silicon Dioxide)

mineral
Limestone (with potential fossil inclusions) (Calcium Carbonate (CaCO3)) — sedimentary

Limestone (with potential fossil inclusions)

Calcium Carbonate (CaCO3)

sedimentary
Granite (Granite) — Igneous

Granite

Granite

Igneous
Sandstone (likely Arkosic) (Clastic Sedimentary Rock) — sedimentary

Sandstone (likely Arkosic)

Clastic Sedimentary Rock

sedimentary
Iron Meteorite (Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)) — mineral

Iron Meteorite

Iron Meteorite (primarily Kamacite and Taenite, Fe-Ni alloys)

mineral
Specular Hematite (Specularite) (Iron Oxide (Fe2O3)) — mineral

Specular Hematite (Specularite)

Iron Oxide (Fe2O3)

mineral
Limonite (Iron Ore) (Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)) — mineral

Limonite (Iron Ore)

Hydrated Iron(III) Oxide-Hydroxide (FeO(OH)·nH2O)

mineral
Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

igneous
Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Limestone (specifically Dolomitic/Crystalline Limestone) (Sedimentary Carbonate Rock (CaCO3 / CaMg(CO3)2)) — sedimentary

Limestone (specifically Dolomitic/Crystalline Limestone)

Sedimentary Carbonate Rock (CaCO3 / CaMg(CO3)2)

sedimentary
Granite (Phaneritic Igneous Rock (primarily Quartz, Feldspar, Mica)) — igneous

Granite

Phaneritic Igneous Rock (primarily Quartz, Feldspar, Mica)

igneous
Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

mineral
Chert (Iron-stained) (Chert (SiO2 - Silicon Dioxide)) — sedimentary

Chert (Iron-stained)

Chert (SiO2 - Silicon Dioxide)

sedimentary
Quartz (Small fragments) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small fragments)

Silicon Dioxide (SiO2)

mineral
Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

mineral
Granite (Granite (composed primarily of Quartz SiO2, Alkali Feldspar KAlSi3O8, and Plagioclase)) — igneous

Granite

Granite (composed primarily of Quartz SiO2, Alkali Feldspar KAlSi3O8, and Plagioclase)

igneous