Rock Identifier

Category

Igneous Or Metamorphic (Base Stone); Anthropogenic (Decoration)

Browse igneous or metamorphic (base stone); anthropogenic (decoration) specimens identified by the Rock Identifier community.

Learn about Igneous Or Metamorphic (Base Stone); Anthropogenic (Decoration) in the encyclopedia

Sard

Anthracite

Soapstone

Troctolite

Verdite

Cordierite Hornfels

Cordierite Hornfels

Migmatite

Dalmatian Jasper

Dalmatian Jasper

Jet

Lapis Lazuli

Apophyllite

Hornblende Schist

Hornblende Schist

Quartz (Iron-stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

Amazonite (KAlSi3O8 (Potassium Aluminum Silicate)) — mineral

Amazonite

KAlSi3O8 (Potassium Aluminum Silicate)

Basalt (Mafic extrusive igneous rock) — igneous

Basalt

Mafic extrusive igneous rock

Granite (Pink/Alkali Feldspar Granite) (Plutonic Igneous Rock (Granite)) — igneous

Granite (Pink/Alkali Feldspar Granite)

Plutonic Igneous Rock (Granite)

Porphyritic Basalt (Basalt (Extrusive Igneous Rock)) — igneous

Porphyritic Basalt

Basalt (Extrusive Igneous Rock)

Granite (Phaneritic Plutonic Rock (Potassium Feldspar-rich)) — igneous

Granite

Phaneritic Plutonic Rock (Potassium Feldspar-rich)

Iron Slag (Ferrous Slag (Silicate/Oxide mixture)) — industrial byproduct (anthropogenic)

Iron Slag

Ferrous Slag (Silicate/Oxide mixture)

industrial byproduct (anthropogenic)

Riverstone Quartzite (Water-worn Siltstone/Quartzite) (Metamorphosed Quartz-rich Arenite (SiO2)) — metamorphic

Riverstone Quartzite (Water-worn Siltstone/Quartzite)

Metamorphosed Quartz-rich Arenite (SiO2)

Quartzite Pebble (Quartzite (SiO2 based)) — metamorphic

Quartzite Pebble

Quartzite (SiO2 based)

Granite (Phaneritic intrusive igneous rock) — igneous

Granite

Phaneritic intrusive igneous rock

Granite (Phaneritic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Igneous Rock (Granite)

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Granite (Mainly Quartz, Feldspar, and Mica)) — igneous

Granite

Granite (Mainly Quartz, Feldspar, and Mica)

Diorite (Intermediate Phaneritic Igneous Rock) — igneous

Diorite

Intermediate Phaneritic Igneous Rock

Diorite (Spotted) (Diorite (Intrusive igneous rock)) — igneous

Diorite (Spotted)

Diorite (Intrusive igneous rock)

Sapphire (Corundum (Al2O3)) — mineral

Sapphire

Corundum (Al2O3)

Red Quartzite (Ferruginous Quartz) (Quartzite (SiO2 with Fe2O3 inclusions)) — metamorphic

Red Quartzite (Ferruginous Quartz)

Quartzite (SiO2 with Fe2O3 inclusions)

Granite (Intrusive Felsic Igneous Rock (primarily Quartz and Feldspar)) — igneous

Granite

Intrusive Felsic Igneous Rock (primarily Quartz and Feldspar)

Epidote or Unakite Rock (Epidote-bearing rock / Ca2(Al,Fe)3(SiO4)3(OH)) — metamorphic

Epidote or Unakite Rock

Epidote-bearing rock / Ca2(Al,Fe)3(SiO4)3(OH)

Basalt (Extrusive Igneous Rock) — igneous

Basalt

Extrusive Igneous Rock

Jasper (Silicon dioxide (SiO2)) — sedimentary

Jasper

Silicon dioxide (SiO2)

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

Amethyst (Geode)

Silicon Dioxide (SiO2) with iron impurities

Iron Slag (Ferrous Slag (Industrial Byproduct)) — mineraloid (anthropogenic byproduct)

Iron Slag

Ferrous Slag (Industrial Byproduct)

mineraloid (anthropogenic byproduct)

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

Cloudy Quartz (Milky Quartz)

Silicon Dioxide (SiO2)

River Pebble (Basalt or Graywacke) (Mafic Igneous Rock (Basalt)) — igneous

River Pebble (Basalt or Graywacke)

Mafic Igneous Rock (Basalt)

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

Biotite / Black Mica

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

Granite (Felsic intrusive igneous rock (Quartz, Feldspar, Mica)) — igneous

Granite

Felsic intrusive igneous rock (Quartz, Feldspar, Mica)

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

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Granite (Granite) — igneous

Granite

Granite

Granite (Felsic Plutonic Rock) — igneous

Granite

Felsic Plutonic Rock

Pink Granite (Phaneritic intrusive igneous rock (Felsic)) — igneous

Pink Granite

Phaneritic intrusive igneous rock (Felsic)

Pink Granite (Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)) — igneous

Pink Granite

Phaneritic Felsic Igneous Rock (composed primarily of K-Feldspar, Quartz, and Mica)

Granite (Granite (Phaneritic Quartz-Feldspar-Mica composite)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar-Mica composite)

Granite (Phaneritic Plutonic Felsic Rock) — igneous

Granite

Phaneritic Plutonic Felsic Rock

Granite (Intrusive igneous rock (SiO2 rich)) — igneous

Granite

Intrusive igneous rock (SiO2 rich)

Granite (Weathered) (Grano-diorite / Granite (SiO2 rich intrusive rock)) — igneous

Granite (Weathered)

Grano-diorite / Granite (SiO2 rich intrusive rock)

Diorite (River Pebble) (Intermediate plutonic igneous rock) — igneous

Diorite (River Pebble)

Intermediate plutonic igneous rock

Basalt (Extrusive Igneous Rock) — igneous

Basalt

Extrusive Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (with possible weathering) (Basalt) — igneous

Basalt (with possible weathering)

Basalt

Granite (Granite (composed primarily of Quartz SiO2, Alkali Feldspar, and Plagioclase Feldspar)) — igneous

Granite

Granite (composed primarily of Quartz SiO2, Alkali Feldspar, and Plagioclase Feldspar)

Pink Granite (Granite (High K-Feldspar variety)) — igneous

Pink Granite

Granite (High K-Feldspar variety)