Rock Identifier

Category

Man Made Material (Anthro Lithic Product)

Browse man made material (anthro lithic product) specimens identified by the Rock Identifier community.

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Limestone (Calcareous sedimentary rock (primarily Calcium Carbonate, CaCO3)) — sedimentary

Limestone

Calcareous sedimentary rock (primarily Calcium Carbonate, CaCO3)

Sandstone (likely Quartzose) (Arenite (SiO2 principal mineral)) — sedimentary

Sandstone (likely Quartzose)

Arenite (SiO2 principal mineral)

Sandstone (Quartzose) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (Sandstone (Sedimentary rock composed of silicate grains)) — sedimentary

Sandstone

Sandstone (Sedimentary rock composed of silicate grains)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Ferruginous) (Arenite with Iron oxide staining (SiO2 with Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron oxide staining (SiO2 with Fe2O3)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Rhodochrosite (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese Carbonate (MnCO3)

Sandstone (likely Ferruginous) (Arenite (SiO2 with iron oxide impurities)) — sedimentary

Sandstone (likely Ferruginous)

Arenite (SiO2 with iron oxide impurities)

Olivine/Peridot (Magnesium Iron Silicate (Mg,Fe)2SiO4) — mineral

Olivine/Peridot

Magnesium Iron Silicate (Mg,Fe)2SiO4

Rhodochrosite (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese Carbonate (MnCO3)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Chalcopyrite (Peacock Ore) (Chalcopyrite (CuFeS2)) — mineral

Chalcopyrite (Peacock Ore)

Chalcopyrite (CuFeS2)

Quartz (specifically Milky/Gray Quartz vein) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Milky/Gray Quartz vein)

Silicon Dioxide (SiO2)

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)

Mica Schist (Mica Schist (Schistose metamorphic rock rich in Muscovite/Biotite)) — metamorphic

Mica Schist

Mica Schist (Schistose metamorphic rock rich in Muscovite/Biotite)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Pyrite (Iron Pyrites) (Iron Sulfide (FeS2)) — mineral

Pyrite (Iron Pyrites)

Iron Sulfide (FeS2)

Limonite (Yellow Ochre) (FeO(OH)·nH2O (Hydrous iron(III) oxide-hydroxide mixture)) — Mineral (Iron Ore)

Limonite (Yellow Ochre)

FeO(OH)·nH2O (Hydrous iron(III) oxide-hydroxide mixture)

Mineral (Iron Ore)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

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

Green Fluorite (Beaded)

Fluorite (Calcium Fluoride, CaF2)

Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Felsic Igneous Rock (Granite)

Granite Pebble (Granite (Phaneritic intrusive igneous rock consisting of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite Pebble

Granite (Phaneritic intrusive igneous rock consisting of Quartz, Alkali Feldspar, and Plagioclase)

Granite Pebble (Granite; primarily composed of Quartz (SiO2), Feldspar (KAlSi3O8), and Mica) — igneous

Granite Pebble

Granite; primarily composed of Quartz (SiO2), Feldspar (KAlSi3O8), and Mica

Manganese-coated Sandstone (Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)) — sedimentary

Manganese-coated Sandstone

Clastic sedimentary rock with Manganese Oxide (often Pyrolusite or Psilomelane)

Fluorite (Calcium Fluoride (CaF2)) — mineral

Fluorite

Calcium Fluoride (CaF2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Chert (Flint) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Flint)

Silicon Dioxide (SiO2)

Chert / Flint (Silicon Dioxide (SiO2)) — sedimentary

Chert / Flint

Silicon Dioxide (SiO2)

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

Chert (Flint)

Microcrystalline Quartz (SiO2)

Sugilite (Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)) — mineral

Sugilite

Sugilite (KNa2(Fe,Mn,Al)2Li3Si12O30)

Sandstone (Quartzite Pebble) (Arenite (SiO2)) — sedimentary

Sandstone (Quartzite Pebble)

Arenite (SiO2)

Quartzite Pebble (Metamorphosed Quartz Sandstone (SiO2)) — metamorphic

Quartzite Pebble

Metamorphosed Quartz Sandstone (SiO2)

Sandstone (with biological crust) (Arenite (SiO2 based)) — sedimentary

Sandstone (with biological crust)

Arenite (SiO2 based)

Sandstone (Arenite (SiO2 predominantly)) — sedimentary

Sandstone

Arenite (SiO2 predominantly)

Silty Shale (Silty Shale (Fissile Sedimentary Rock)) — sedimentary

Silty Shale

Silty Shale (Fissile Sedimentary Rock)

Sandstone (Ferruginous) (Arenite (Fe-rich)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe-rich)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Sandstone (Ferruginous) (Arenite (Fe2O3 enriched)) — sedimentary

Sandstone (Ferruginous)

Arenite (Fe2O3 enriched)