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

Moissanite (Silicon Carbide (SiC)) — mineral

Moissanite

Silicon Carbide (SiC)

Quartz (Small Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Small Pebble)

Silicon Dioxide (SiO2)

Picture Jasper (SiO2) — mineral

Picture Jasper

SiO2

Pyrite (Iron Sulfide (FeS2)) — mineral

Pyrite

Iron Sulfide (FeS2)

Polished pink granite cobble (Granite, chiefly potassium feldspar, plagioclase, quartz, and biotite/hornblende) — igneous

Polished pink granite cobble

Granite, chiefly potassium feldspar, plagioclase, quartz, and biotite/hornblende

Sandstone (Clastic sedimentary rock (Quartz arenite or arkose)) — sedimentary

Sandstone

Clastic sedimentary rock (Quartz arenite or arkose)

Red Sandstone (Arenite (Ferruginous Sandstone)) — sedimentary

Red Sandstone

Arenite (Ferruginous Sandstone)

Greenstone (Metamorphic mafic rock (greenschist facies)) — metamorphic

Greenstone

Metamorphic mafic rock (greenschist facies)

Dark metamorphic rock, possibly schist (Mica schist (probable; commonly quartz + muscovite/biotite, with possible graphite or chlorite)) — metamorphic

Dark metamorphic rock, possibly schist

Mica schist (probable; commonly quartz + muscovite/biotite, with possible graphite or chlorite)

Tumbled epidote or epidote-rich stone (Epidote, Ca₂(Al,Fe)₃(SiO₄)₃(OH); possibly a green jasper or prehnite-epidote aggregate) — mineral

Tumbled epidote or epidote-rich stone

Epidote, Ca₂(Al,Fe)₃(SiO₄)₃(OH); possibly a green jasper or prehnite-epidote aggregate

Milky quartz (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz

Quartz (silicon dioxide, SiO₂)

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

Pink Granite

Granite (Felsic Plutonic Rock)

Sandstone (Quartzose Sandstone / Lithic Sandstone) — sedimentary

Sandstone

Quartzose Sandstone / Lithic Sandstone

Pink Granite (Granite (Felsic Plutonic Igneous Rock)) — igneous

Pink Granite

Granite (Felsic Plutonic Igneous Rock)

Granite Gneiss (Gneiss (High-grade Metamorphic Rock)) — metamorphic

Granite Gneiss

Gneiss (High-grade Metamorphic Rock)

Petrified Wood (Silicified Wood (SiO2)) — sedimentary

Petrified Wood

Silicified Wood (SiO2)

Quartz pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz pebble

Silicon dioxide (SiO2)

Magnetite-rich iron ore (Magnetite (Fe₃O₄), possibly with hematite and silicate matrix) — mineral

Magnetite-rich iron ore

Magnetite (Fe₃O₄), possibly with hematite and silicate matrix

Sapphire (Corundum (Al2O3)) — gemstone

Sapphire

Corundum (Al2O3)

Diamond (or Cubic Zirconia) (Carbon (C) or Zirconium Dioxide (ZrO2)) — gemstone

Diamond (or Cubic Zirconia)

Carbon (C) or Zirconium Dioxide (ZrO2)

Red Sandstone (Arenite (with Iron Oxide pigmentation)) — Sedimentary

Red Sandstone

Arenite (with Iron Oxide pigmentation)

River Pebble (Siltstone / Sandstone Pebble) (Sedimentary Rock (Quartz, Feldspar, Clay Minerals)) — sedimentary

River Pebble (Siltstone / Sandstone Pebble)

Sedimentary Rock (Quartz, Feldspar, Clay Minerals)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Petrified Wood (Silicified Wood (Permineralized organic matter, głównie $SiO_2$)) — fossil

Petrified Wood

Silicified Wood (Permineralized organic matter, głównie $SiO_2$)

Fossilized Horse Tooth (Equus sp. (fossilized molar)) — fossil

Fossilized Horse Tooth

Equus sp. (fossilized molar)

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

Petrified Wood

Silicified Wood (primarily Quartz/Chalcedony, formula SiO2)

Ironstone Concretion (Boxwork) (Siderite-Limonite Concretion (FeO(OH)·nH2O)) — sedimentary

Ironstone Concretion (Boxwork)

Siderite-Limonite Concretion (FeO(OH)·nH2O)

Small quartz-rich pebble (Quartz (SiO₂), possibly quartzite or weathered granite fragment) — mineral

Small quartz-rich pebble

Quartz (SiO₂), possibly quartzite or weathered granite fragment

Quartz Pebble (Silicon Dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon Dioxide (SiO2)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Milky quartz fragment (Quartz (silicon dioxide, SiO₂)) — mineral

Milky quartz fragment

Quartz (silicon dioxide, SiO₂)

Sandstone (with Iron Staining) (Quartz Arenite / Ferruginous Sandstone) — sedimentary

Sandstone (with Iron Staining)

Quartz Arenite / Ferruginous Sandstone

Sandstone Pebble (Arenite) — sedimentary

Sandstone Pebble

Arenite

Septarian Nodule (Septarian Concretion (Calcium Carbonate/Aragonite/Calcite/Siderite)) — sedimentary

Septarian Nodule

Septarian Concretion (Calcium Carbonate/Aragonite/Calcite/Siderite)

Sandstone with Tafoni Weathering (Arenite (SiO2 based)) — sedimentary

Sandstone with Tafoni Weathering

Arenite (SiO2 based)

Red Sandstone (Clastic sedimentary rock (primarily Quartz and Feldspar with Iron Oxide cement)) — sedimentary

Red Sandstone

Clastic sedimentary rock (primarily Quartz and Feldspar with Iron Oxide cement)

Sandstone Cobble (Arenite (Sandstone)) — sedimentary

Sandstone Cobble

Arenite (Sandstone)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

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

Sandstone (with Lichen)

Arenite (composed primarily of SiO2)

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

Sandstone

Arenite (composed primarily of SiO2)

Sandstone (Quartz Arenite) (Sandstone (Chemical formula: primarily SiO2)) — sedimentary

Sandstone (Quartz Arenite)

Sandstone (Chemical formula: primarily SiO2)