Rock Identifier

Category

Man Made Material (Simulated Mineral)

Browse man made material (simulated mineral) specimens identified by the Rock Identifier community.

Learn about Man Made Material (Simulated Mineral) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Dunite

Zincite

Claystone

Carbonatite

Marl

Dalmatian Jasper

Dalmatian Jasper

Mint Obsidian

Crimson Obsidian

Lherzolite

Schist (Schist (Metamorphic Rock)) — metamorphic

Schist

Schist (Metamorphic Rock)

Limestone with Calcite (Sedimentary Calcium Carbonate (CaCO3)) — sedimentary

Limestone with Calcite

Sedimentary Calcium Carbonate (CaCO3)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

Chrysocolla in Chalcedony (Gem Silica) (Hydrated copper phyllosilicate and silicon dioxide (SiO2 with (Cu,Al)2H2Si2O5(OH)4)) — mineral

Chrysocolla in Chalcedony (Gem Silica)

Hydrated copper phyllosilicate and silicon dioxide (SiO2 with (Cu,Al)2H2Si2O5(OH)4)

Rhyolitic jasper / brecciated jasper (Silica-rich volcanic rock, chiefly microcrystalline quartz (SiO₂), with iron-oxide and clay/mineral impurities) — igneous

Rhyolitic jasper / brecciated jasper

Silica-rich volcanic rock, chiefly microcrystalline quartz (SiO₂), with iron-oxide and clay/mineral impurities

Red Sandstone (Arenite with iron oxide (Hematite) cement) — sedimentary

Red Sandstone

Arenite with iron oxide (Hematite) cement

Sandstone Pebble (Quartz Arenite / Sandstone) — sedimentary

Sandstone Pebble

Quartz Arenite / Sandstone

Rounded reddish-brown pebble (Likely ferruginous sandstone or iron-rich quartzite; exact identification requires a fresh surface and tests) — sedimentary

Rounded reddish-brown pebble

Likely ferruginous sandstone or iron-rich quartzite; exact identification requires a fresh surface and tests

Weathered sandstone or tuff fragment (Likely quartz-rich sandstone (SiO₂) or porous volcanic tuff; exact identification requires testing) — sedimentary

Weathered sandstone or tuff fragment

Likely quartz-rich sandstone (SiO₂) or porous volcanic tuff; exact identification requires testing

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

Peridot (Olivine)

Magnesium Iron Silicate (Mg, Fe)2SiO4

Fuchsite (Chrome Mica) (Chromian Muscovite - K(Al,Cr)2(AlSi3O10)(OH)2) — mineral

Fuchsite (Chrome Mica)

Chromian Muscovite - K(Al,Cr)2(AlSi3O10)(OH)2

Lepidolite with Tourmaline in Quartz Matrix (K(Li,Al)3(Si,Al)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz)) — mineral

Lepidolite with Tourmaline in Quartz Matrix

K(Li,Al)3(Si,Al)4O10(F,OH)2 (Lepidolite) / SiO2 (Quartz)

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

Specular Hematite (Specularite)

Iron Oxide (Fe2O3)

Lepidolite on Pegmatite (Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)) — mineral

Lepidolite on Pegmatite

Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)

Aragonite Star Cluster (Aragonite (Calcium Carbonate, CaCO3)) — mineral

Aragonite Star Cluster

Aragonite (Calcium Carbonate, CaCO3)

Milky Quartz with Iron Staining (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz with Iron Staining

Quartz (Silicon Dioxide, SiO2)

Banded gneiss pebble (Gneiss, likely quartz–feldspar–mica gneiss) — metamorphic

Banded gneiss pebble

Gneiss, likely quartz–feldspar–mica gneiss

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

Chert (Flint Nodules)

Microcrystalline Quartz (SiO2)

Red Sandstone (Arenite (SiO2 with Fe2O3)) — sedimentary

Red Sandstone

Arenite (SiO2 with Fe2O3)

Chrysocolla-rich copper ore (Chrysocolla, a hydrated copper aluminosilicate (approximately (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O), possibly mixed with malachite or turquoise-group minerals) — mineral

Chrysocolla-rich copper ore

Chrysocolla, a hydrated copper aluminosilicate (approximately (Cu,Al)₂H₂Si₂O₅(OH)₄·nH₂O), possibly mixed with malachite or turquoise-group minerals

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Ferruginous) (Arenite (Siliclastic Sedimentary Rock)) — sedimentary

Sandstone (Ferruginous)

Arenite (Siliclastic Sedimentary Rock)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Shungite (Non-crystalline carbon (allotrope of carbon)) — metamorphic

Shungite

Non-crystalline carbon (allotrope of carbon)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Biotite-bearing gneiss or schist (Quartz–feldspar–biotite metamorphic rock) — metamorphic

Biotite-bearing gneiss or schist

Quartz–feldspar–biotite metamorphic rock

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Quartzite River Cobble (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Cobble

Quartzite (primarily SiO2)

Porphyritic Basalt (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Porphyritic Basalt

Basalt (Mafic Extrusive Igneous Rock)

Petrified Wood (Silicified Wood (SiO2)) — mineral

Petrified Wood

Silicified Wood (SiO2)

Sandstone Pebble (River Rock) (Sandstone (Quartz-rich sedimentary rock with iron oxide staining)) — sedimentary

Sandstone Pebble (River Rock)

Sandstone (Quartz-rich sedimentary rock with iron oxide staining)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Sandstone (Red / Iron-stained) (Sandstone (composed predominantly of SiO2 with Fe2O3 cement)) — sedimentary

Sandstone (Red / Iron-stained)

Sandstone (composed predominantly of SiO2 with Fe2O3 cement)

Petoskey Stone (Hexagonaria percarinata (Calcite / CaCO3)) — fossil

Petoskey Stone

Hexagonaria percarinata (Calcite / CaCO3)

Quartz crystals on matrix (Silicon dioxide (SiO2)) — mineral

Quartz crystals on matrix

Silicon dioxide (SiO2)

Fossilized Shark Tooth (Basal Bone) (Otodus sp. (Mineralized Hydroxyapatite)) — sedimentary

Fossilized Shark Tooth (Basal Bone)

Otodus sp. (Mineralized Hydroxyapatite)

Calcite (Calcium Carbonate (CaCO3)) — mineral

Calcite

Calcium Carbonate (CaCO3)

Slate (Slate (Foliated metamorphic rock)) — metamorphic

Slate

Slate (Foliated metamorphic rock)

Sandstone (Sedimentary Clastic Rock (Quartz Arenite)) — sedimentary

Sandstone

Sedimentary Clastic Rock (Quartz Arenite)

Sandstone (Red) (Arenite (primarily SiO2 with Fe2O3)) — sedimentary

Sandstone (Red)

Arenite (primarily SiO2 with Fe2O3)

Sandstone (Greywacke/Lithic Sandstone) (Clastic Sedimentary Rock (Lithic Sandstone)) — sedimentary

Sandstone (Greywacke/Lithic Sandstone)

Clastic Sedimentary Rock (Lithic Sandstone)