Rock Identifier

Category

Synthetic (Not A Rock Or Mineral)

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

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

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Halite

Dolomite

Gypsum

Coal

Claystone

Serpentinite

Carbonatite

Skarn

Schist

Emerald in Matrix

Emerald in Matrix

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Basalt with Quartz/Calcite Veins (Extrusive mafic igneous rock with hydrothermal mineralization) — igneous

Basalt with Quartz/Calcite Veins

Extrusive mafic igneous rock with hydrothermal mineralization

Shale (Lutaceous sedimentary rock) — sedimentary

Shale

Lutaceous sedimentary rock

Geode (Quartz / Chalcedony nodule with mineralized cavity) — sedimentary

Geode

Quartz / Chalcedony nodule with mineralized cavity

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite Pebble (Intrusive igneous rock (Quartz, Feldspar, Mica)) — igneous

Granite Pebble

Intrusive igneous rock (Quartz, Feldspar, Mica)

Unidentified Rock Fragment (Unknown) — Rock

Unidentified Rock Fragment

Unknown

Amygdaloidal Basalt (Amygdaloidal Mafic Volcanic Rock (Basalt)) — igneous

Amygdaloidal Basalt

Amygdaloidal Mafic Volcanic Rock (Basalt)

Sandstone (Sedimentary Rock (Quartz arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Copper Ore (Malachite/Chrysocolla bearing) (Cupriferous rock containing secondary copper minerals like Cu2CO3(OH)2) — mineral

Copper Ore (Malachite/Chrysocolla bearing)

Cupriferous rock containing secondary copper minerals like Cu2CO3(OH)2

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

Turquoise in Matrix

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

Sandstone (Quartz Arenite / Clastic Sedimentary Rock) — sedimentary

Sandstone

Quartz Arenite / Clastic Sedimentary Rock

Sandstone (likely Ferruginous) (Arenite (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (likely Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Serpentinite (Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)) — metamorphic

Serpentinite

Serpentinite (complex silicate minerals including lizardite, chrysotile, and antigorite: (Mg,Fe)3Si2O5(OH)4)

Feldspar (Plagioclase / Orthoclase) (KAlSi3O8 / CaAl2Si2O8 - NaAlSi3O8) — mineral

Feldspar (Plagioclase / Orthoclase)

KAlSi3O8 / CaAl2Si2O8 - NaAlSi3O8

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Sandstone (Sedimentary Rock (Quartz arenite or arkose)) — sedimentary

Sandstone

Sedimentary Rock (Quartz arenite or arkose)

Quartz Vein in Matrix (Silicon Dioxide (SiO2) within Rhyolitic or Granitic Matrix) — igneous

Quartz Vein in Matrix

Silicon Dioxide (SiO2) within Rhyolitic or Granitic Matrix

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Obsidian (Volcanic Glass (Amorphous Silicon Dioxide)) — igneous

Obsidian

Volcanic Glass (Amorphous Silicon Dioxide)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

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

Red Sandstone

Ferruginous Sandstone (SiO2 with Fe2O3)

Grey Pebble (Sandstone / Quartzite Pebble) (Sedimentary rock (primarily Quartz - SiO2)) — sedimentary

Grey Pebble (Sandstone / Quartzite Pebble)

Sedimentary rock (primarily Quartz - SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Gneissic Granite (Granite Gneiss) — metamorphic

Gneissic Granite

Granite Gneiss

Lapis Lazuli (Lapis Lazuli (Mineral composition: Lazurite, Calcite, Sodalite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Mineral composition: Lazurite, Calcite, Sodalite, and Pyrite)

Lapis Lazuli (Lapis Lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)) — metamorphic

Lapis Lazuli

Lapis Lazuli (Complex silicate rock containing Lazurite (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, Calcite, and Pyrite)

Bauxite (AlOx(OH)3-2x (mixture of Gibbsite, Boehmite, and Diaspore)) — sedimentary

Bauxite

AlOx(OH)3-2x (mixture of Gibbsite, Boehmite, and Diaspore)

Greenstone (Protolith: Basaltic rock) — metamorphic

Greenstone

Protolith: Basaltic rock

Basalt with Quartz Veining (Basalt (Mafic Extrusive Igneous Rock) with SiO2 (Silicon Dioxide) veins) — igneous

Basalt with Quartz Veining

Basalt (Mafic Extrusive Igneous Rock) with SiO2 (Silicon Dioxide) veins

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Conglomerate (Greenstone/Pebble Conglomerate) (Polymictic Conglomerate) — sedimentary

Conglomerate (Greenstone/Pebble Conglomerate)

Polymictic Conglomerate

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Pink Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Pink Granite

Phaneritic Felsic Intrusive Igneous Rock

Quartz Geode (Silicon Dioxide (SiO2)) — mineral

Quartz Geode

Silicon Dioxide (SiO2)

Quartz Druzy on Matrix (SiO2) — mineral

Quartz Druzy on Matrix

SiO2

N/A (The provided image is a storyboard/digital document) — N/A

N/A (The provided image is a storyboard/digital document)

Quartz (Rock Crystal) with minor impurities (Quartz (SiO2)) — Mineral

Quartz (Rock Crystal) with minor impurities

Quartz (SiO2)

Sandstone Pebble (Arenite (SiO2 principal)) — sedimentary

Sandstone Pebble

Arenite (SiO2 principal)

Gossanous Sandstone (likely Terrestrial) (Arenite with Iron-Oxide inclusions) — sedimentary

Gossanous Sandstone (likely Terrestrial)

Arenite with Iron-Oxide inclusions