Rock Identifier

Category

Man Made Material, Not A Natural Rock Or Mineral Specimen

Browse man made material, not a natural rock or mineral specimen specimens identified by the Rock Identifier community.

Learn about Man Made Material, Not A Natural Rock Or Mineral Specimen in the encyclopedia

Emerald in Matrix

Emerald in Matrix

Aquamarine Matrix

Aquamarine Matrix

Halite

Dunite

Chalk

Claystone

Carbonatite

Tripolite

Dalmatian Jasper

Dalmatian Jasper

Rock Gypsum

Marl

Calc-Silicate Rock

Calc-Silicate Rock

Sandstone (Sedimentary Rock (Quartz Sandstone)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Sandstone)

Quartz geode (Microcrystalline and crystalline quartz (SiO₂), likely chalcedony-lined geode) — mineral

Quartz geode

Microcrystalline and crystalline quartz (SiO₂), likely chalcedony-lined geode

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

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

Milky quartz (likely)

Quartz, silicon dioxide (SiO₂)

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Sandstone (River Cobble) (Sandstone (primarily composed of silica, SiO2)) — sedimentary

Sandstone (River Cobble)

Sandstone (primarily composed of silica, SiO2)

Sandstone (with Iron Staining) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (with Iron Staining)

Clastic sedimentary rock (primarily SiO2)

Amethyst Geode (Amethyst (Silicon Dioxide, SiO2)) — mineral

Amethyst Geode

Amethyst (Silicon Dioxide, SiO2)

Riverstone Jasper (Silicon Dioxide (SiO2) with impurities) — sedimentary

Riverstone Jasper

Silicon Dioxide (SiO2) with impurities

Dyed Agate (Silicon Dioxide (SiO2) - variety Chalcedony) — mineral

Dyed Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Granite (Granite (Phaneritic igneous rock)) — igneous

Granite

Granite (Phaneritic igneous rock)

Diorite (Diorite (Intermediate intrusive igneous rock)) — igneous

Diorite

Diorite (Intermediate intrusive igneous rock)

Sandstone (Arenite (Sedimentary rock composed of sand-sized grains, primarily SiO2)) — sedimentary

Sandstone

Arenite (Sedimentary rock composed of sand-sized grains, primarily SiO2)

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

Sandstone

Arenite (composed primarily of SiO2)

Chalcedony (Jasper/Agate mix) (Quartz (microcrystalline SiO2)) — sedimentary

Chalcedony (Jasper/Agate mix)

Quartz (microcrystalline SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

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

Sandstone (Quartzose)

Arenite (primarily SiO2)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Boulder Opal (Hydrated amorphous silica (SiO2·nH2O) in ironstone matrix) — mineral

Boulder Opal

Hydrated amorphous silica (SiO2·nH2O) in ironstone matrix

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Pink Dyed Agate (Chalcedony (SiO2) with artificial dyes) — mineral

Pink Dyed Agate

Chalcedony (SiO2) with artificial dyes

Turquoise (Blue Howlite imitation) (Hydrated phosphate of copper and aluminium (CuAl6(PO4)4(OH)8·4H2O)) — mineral

Turquoise (Blue Howlite imitation)

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

Yellow Chert (Chalcedony) (Microcrystalline Quartz (SiO2)) — sedimentary

Yellow Chert (Chalcedony)

Microcrystalline Quartz (SiO2)

Blue Goldstone (Aventurine Glass) — Man-made mineral simulant (Glass)

Blue Goldstone

Aventurine Glass

Man-made mineral simulant (Glass)

Hag Stone (Perforated Flint or Chert) — sedimentary

Hag Stone

Perforated Flint or Chert

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Porphyritic Basalt (likely artificially dyed or altered) (Basalt with plagioclase phenocrysts (likely treated)) — igneous

Porphyritic Basalt (likely artificially dyed or altered)

Basalt with plagioclase phenocrysts (likely treated)

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

Sandstone

Clastic sedimentary rock (primarily SiO2)

Sandstone (Sedimentary Rock (Quartz Arenite)) — sedimentary

Sandstone

Sedimentary Rock (Quartz Arenite)

Serpentine pendant (Serpentinite; chiefly antigorite, lizardite, or chrysotile Mg₃Si₂O₅(OH)₄) — metamorphic

Serpentine pendant

Serpentinite; chiefly antigorite, lizardite, or chrysotile Mg₃Si₂O₅(OH)₄

Prasiolite (Green Quartz) / Sea Glass Amalgam (SiO2 (Silicon Dioxide)) — mineral

Prasiolite (Green Quartz) / Sea Glass Amalgam

SiO2 (Silicon Dioxide)

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

Sandstone (Ferruginous)

Arenite (primarily SiO2 with Fe2O3 staining)

Tumbled jasper or chert (Microcrystalline quartz (SiO₂), possibly iron-bearing jasper) — mineral

Tumbled jasper or chert

Microcrystalline quartz (SiO₂), possibly iron-bearing jasper

Sandstone (Quartzite-rich) (Clastic sedimentary rock (SiO2 primary)) — sedimentary

Sandstone (Quartzite-rich)

Clastic sedimentary rock (SiO2 primary)

Green Sea Glass (Amorphous Silica (man-made glass), SiO2 + additive metal oxides) — mineraloid / anthropogenic (man-made origin)

Green Sea Glass

Amorphous Silica (man-made glass), SiO2 + additive metal oxides

mineraloid / anthropogenic (man-made origin)

Biotite (Black Mica) (Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)) — mineral

Biotite (Black Mica)

Biotite (K(Mg,Fe++)3AlSi3O10(OH,F)2)

Quartz (Smoky/Milky Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Smoky/Milky Pebble)

Silicon Dioxide (SiO2)

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

Chert (Flint)

Silicon Dioxide (SiO2)

Shale (Argillaceous Sedimentary Rock) — sedimentary

Shale

Argillaceous Sedimentary Rock

Sandstone (Arenite (SiO2 principal component)) — sedimentary

Sandstone

Arenite (SiO2 principal component)

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

Sandstone (River Cobble)

Clastic sedimentary rock (primarily SiO2)

Amethyst (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst

Silicon Dioxide (SiO2) with iron impurities