Rock Identifier

Category

Industrial By Product

Browse industrial by product specimens identified by the Rock Identifier community.

Schist (Mica Schist) — metamorphic

Schist

Mica Schist

metamorphic
Quartz (River Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (River Pebble)

Silicon Dioxide (SiO2)

mineral
Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

igneous
Milky Quartz (Water-worn Pebble) (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz (Water-worn Pebble)

Quartz (Silicon Dioxide, SiO2)

mineral
Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

mineral
Anthracite Coal (Anthracite C) — metamorphic

Anthracite Coal

Anthracite C

metamorphic
Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

mineral
Green Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Green Chert (Jasper)

Silicon Dioxide (SiO2)

sedimentary
Yellow Chalcedony (Agate) (Silicon Dioxide (SiO2)) — mineral

Yellow Chalcedony (Agate)

Silicon Dioxide (SiO2)

mineral
Jasper (Jasper (Silicon Dioxide, SiO2)) — sedimentary

Jasper

Jasper (Silicon Dioxide, SiO2)

sedimentary
Orange Calcite (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite

Calcium Carbonate (CaCO3)

mineral
Ferruginous Quartz (Iron-stained Quartz (Silicon Dioxide + Fe2O3 / FeO(OH))) — mineral

Ferruginous Quartz

Iron-stained Quartz (Silicon Dioxide + Fe2O3 / FeO(OH))

mineral
Yellow Quartz Pebble (Silicon Dioxide (SiO2)) — Mineral

Yellow Quartz Pebble

Silicon Dioxide (SiO2)

Mineral
Sodalite (Na8(Al6Si6O24)Cl2) — mineral

Sodalite

Na8(Al6Si6O24)Cl2

mineral
Corundum (Corundum (Aluminium oxide, Al2O3)) — mineral

Corundum

Corundum (Aluminium oxide, Al2O3)

mineral
Pink Quartz Pebble (Quartz (Silicon Dioxide, SiO2)) — mineral

Pink Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

mineral
Pink Cubic Zirconia (CZ) (Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Pink Cubic Zirconia (CZ)

Zirconium Dioxide (ZrO2)

mineral (synthetic)
Garnet (likely Almandine) (Almandine - Fe3Al2(SiO4)3) — mineral

Garnet (likely Almandine)

Almandine - Fe3Al2(SiO4)3

mineral
Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

mineral
Yellow Quartz (Citrine/Yellow Jasper mix) (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Yellow Quartz (Citrine/Yellow Jasper mix)

Silicon Dioxide (SiO2) with iron oxide inclusions

mineral
Smoky Quartz (Smoky Quartz (Silicon Dioxide, SiO2)) — mineral

Smoky Quartz

Smoky Quartz (Silicon Dioxide, SiO2)

mineral
Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

sedimentary
Arsenopyrite with Quartz (Arsenopyrite (FeAsS)) — mineral

Arsenopyrite with Quartz

Arsenopyrite (FeAsS)

mineral
Greenschist (Greenschist (chlorite-epidote schist)) — metamorphic

Greenschist

Greenschist (chlorite-epidote schist)

metamorphic
Pegmatite (Granitic Pegmatite) — igneous

Pegmatite

Granitic Pegmatite

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

Chert (and Flint)

Silicon Dioxide (SiO2)

sedimentary
Serpentine (Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn)Si2O5(OH)4) — metamorphic

Serpentine

Serpentinite (complex of Mg, Fe, Ni, Al, Zn, Mn)Si2O5(OH)4

metamorphic
Blue Sapphire (Corundum (Al2O3 - Aluminum Oxide)) — mineral

Blue Sapphire

Corundum (Al2O3 - Aluminum Oxide)

mineral
Basalt (with possible quartz veinsing) (Basalt) — igneous

Basalt (with possible quartz veinsing)

Basalt

igneous
Yellow Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Yellow Calcite

Calcite (Calcium Carbonate, CaCO3)

mineral
Agate (Banded Chalcedony (SiO2 - Silicon Dioxide)) — mineral

Agate

Banded Chalcedony (SiO2 - Silicon Dioxide)

mineral
Chalcedony (Agate) (Silicon Dioxide (SiO2)) — mineral

Chalcedony (Agate)

Silicon Dioxide (SiO2)

mineral
Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

mineral
Chert (Jasper variety) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper variety)

Silicon Dioxide (SiO2)

sedimentary
Quartz River Pebbles (Silicon Dioxide (SiO2)) — sedimentary

Quartz River Pebbles

Silicon Dioxide (SiO2)

sedimentary
Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

mineral
Anthracite Coal (Anthracite (Carbon-rich mineraloid)) — metamorphic

Anthracite Coal

Anthracite (Carbon-rich mineraloid)

metamorphic
Blue Sapphire (Corundum (Al2O3 - Aluminum Oxide with Iron and Titanium impurities)) — mineral

Blue Sapphire

Corundum (Al2O3 - Aluminum Oxide with Iron and Titanium impurities)

mineral
Basalt (Water-worn pebble) (Mafic Igneous Rock (primarily Plagioclase feldspar and Pyroxene)) — igneous

Basalt (Water-worn pebble)

Mafic Igneous Rock (primarily Plagioclase feldspar and Pyroxene)

igneous
Bauxite (Bauxite (mixture of Hydrous Aluminum Oxides)) — sedimentary

Bauxite

Bauxite (mixture of Hydrous Aluminum Oxides)

sedimentary
Basalt (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt

Basalt (Aphanitic Mafic Igneous Rock)

igneous
Diamond (Diamond (Pure Carbon, C)) — mineral

Diamond

Diamond (Pure Carbon, C)

mineral