Rock Identifier

Category

Synthetic Material (Not A Rock Or Mineral)

Browse synthetic material (not a rock or mineral) specimens identified by the Rock Identifier community.

Learn about Synthetic Material (Not A Rock Or Mineral) in the encyclopedia

Rock Salt

Rock Gypsum

Coral Rock

Asphalt Rock

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Zincite

Halite

Opalite

Lead Feldspar

Dolomite

Sandstone (with Iron Staining) (Arenite (SiO2 with Fe2O3/FeOOH impurities)) — sedimentary

Sandstone (with Iron Staining)

Arenite (SiO2 with Fe2O3/FeOOH impurities)

Diamond (Cut Specimen) (Diamond (pure carbon, C)) — mineral

Diamond (Cut Specimen)

Diamond (pure carbon, C)

Likely polished bronzite or serpentine-rich rock (Probable bronzite, an iron-bearing orthopyroxene (Mg,Fe)SiO₃; exact identification requires testing) — mineral

Likely polished bronzite or serpentine-rich rock

Probable bronzite, an iron-bearing orthopyroxene (Mg,Fe)SiO₃; exact identification requires testing

Chalcedony (Silicon dioxide (SiO2)) — mineral

Chalcedony

Silicon dioxide (SiO2)

Petrified Wood (Silicified Wood (SiO2)) — fossil

Petrified Wood

Silicified Wood (SiO2)

Sandstone (Arenite (primarily Quartz Arenite)) — sedimentary

Sandstone

Arenite (primarily Quartz Arenite)

Sandstone (Arenite/Quartz Arenite) — sedimentary

Sandstone

Arenite/Quartz Arenite

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

Sandstone (Quartzose)

Arenite (composed primarily of SiO2)

Sandstone (Pebble) (Sandstone) — sedimentary

Sandstone (Pebble)

Sandstone

Sandstone (Arenite (SiO2 with minor iron oxides)) — sedimentary

Sandstone

Arenite (SiO2 with minor iron oxides)

Sandstone (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Arenite (SiO2 variety)) — sedimentary

Sandstone

Arenite (SiO2 variety)

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

Sandstone (Quartzose)

Arenite (SiO2)

Banded Sandstone (Arenite with Liesegang banding) — sedimentary

Banded Sandstone

Arenite with Liesegang banding

Coarse-grained Granite (Granitoid (Felsic Plutonic Rock)) — igneous

Coarse-grained Granite

Granitoid (Felsic Plutonic Rock)

Petrified Wood (Silicified Wood (primarily Chalcedony/Quartz, SiO2)) — fossil

Petrified Wood

Silicified Wood (primarily Chalcedony/Quartz, SiO2)

Sandstone (Sandstone (Arenite)) — sedimentary

Sandstone

Sandstone (Arenite)

Sandstone (Arenite (SiO2 based with primary clasts 0.0625 to 2 mm)) — sedimentary

Sandstone

Arenite (SiO2 based with primary clasts 0.0625 to 2 mm)

Red Sandstone (Quartz Arenite (iron-stained) / SiO2) — sedimentary

Red Sandstone

Quartz Arenite (iron-stained) / SiO2

Sandstone with Quartz Vein (Arenite with Quartz (SiO2) protrusion) — sedimentary

Sandstone with Quartz Vein

Arenite with Quartz (SiO2) protrusion

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

Limestone with Calcite Veins

Sedimentary Calcium Carbonate (CaCO3)

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Fossilized Brachiopod (Brachiopoda (Phylum)) — fossil

Fossilized Brachiopod

Brachiopoda (Phylum)

Gneiss (Metamorphic Rock (Gneissic texture)) — metamorphic

Gneiss

Metamorphic Rock (Gneissic texture)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (with Chert/Quartzite) (Arenite (SiO2 primarily)) — sedimentary

Sandstone (with Chert/Quartzite)

Arenite (SiO2 primarily)

Sandstone (Ferruginous) (Clastic Sedimentary Rock (Litharenite)) — sedimentary

Sandstone (Ferruginous)

Clastic Sedimentary Rock (Litharenite)

Cubic Zirconia (Simulated Diamond) (Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Cubic Zirconia (Simulated Diamond)

Zirconium Dioxide (ZrO2)

mineral (synthetic)

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

Sandstone

Sedimentary Clastic Rock (Quartz Arenite)

Sandstone (Clastic Sedimentary Rock) — sedimentary

Sandstone

Clastic Sedimentary Rock

Granite (Granite) — Igneous

Granite

Granite

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Bismuth (Bismuth (Bi)) — Mineral

Bismuth

Bismuth (Bi)

Quartz Pebble (Silicon Dioxide (SiO2)) — mineral

Quartz Pebble

Silicon Dioxide (SiO2)

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

Sandstone (likely Quartzose Sandstone)

Arenite (primarily SiO2)

Sandstone (Greywacke/Siltstone variant) (Clastic Sedimentary Rock (composed primarily of Quartz SiO2 and Feldspar)) — sedimentary

Sandstone (Greywacke/Siltstone variant)

Clastic Sedimentary Rock (composed primarily of Quartz SiO2 and Feldspar)

Sandstone (Quartz-rich) (Arenite) — sedimentary

Sandstone (Quartz-rich)

Arenite

Sandstone (Clastic sedimentary rock (Arenite)) — sedimentary

Sandstone

Clastic sedimentary rock (Arenite)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Pebble) (Sandstone (SiO2 dominated with minor feldspar/clay)) — sedimentary

Sandstone (Pebble)

Sandstone (SiO2 dominated with minor feldspar/clay)

Rough Corundum (likely Sapphire or Common Corundum) (Aluminum oxide (Al2O3)) — mineral

Rough Corundum (likely Sapphire or Common Corundum)

Aluminum oxide (Al2O3)