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

Mica (Muscovite / Biotite (Phyllosilicate group)) — mineral

Mica

Muscovite / Biotite (Phyllosilicate group)

Muscovite (Mica) (Muscovite - KAl2(AlSi3O10)(OH)2) — mineral

Muscovite (Mica)

Muscovite - KAl2(AlSi3O10)(OH)2

Granite (Intrusive Felsic Igneous Rock) — igneous

Granite

Intrusive Felsic Igneous Rock

Mica / Muscovite or Biotite (Phyllosilicate mineral group (e.g., KAl2(AlSi3O10)(OH)2)) — mineral

Mica / Muscovite or Biotite

Phyllosilicate mineral group (e.g., KAl2(AlSi3O10)(OH)2)

Granodiorite (Phaneritic intrusive igneous rock) — igneous

Granodiorite

Phaneritic intrusive igneous rock

Red Granite (Phaneritic Felsic Igneous Rock (Granite)) — igneous

Red Granite

Phaneritic Felsic Igneous Rock (Granite)

Granodiorite (Water-worn Pebble) (Granodiorite) — igneous

Granodiorite (Water-worn Pebble)

Granodiorite

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Muscovite Mica (with Quartz) (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica (with Quartz)

Muscovite (KAl2(AlSi3O10)(OH)2)

Slag (Industrial By-product) (Glassy silicate or metallic smelting residue) — mineral-like (anthropogenic)

Slag (Industrial By-product)

Glassy silicate or metallic smelting residue

mineral-like (anthropogenic)

Mica Sand / Vermiculite (Phyllosilicate group (typically Biotite or Muscovite)) — mineral

Mica Sand / Vermiculite

Phyllosilicate group (typically Biotite or Muscovite)

Agate (specifically Botswana or Lake Superior style Agate) (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — mineral

Agate (specifically Botswana or Lake Superior style Agate)

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Epidote (Epidote (Ca2(Al, Fe)3(SiO4)3(OH))) — mineral

Epidote

Epidote (Ca2(Al, Fe)3(SiO4)3(OH))

Quartzite Pebble (River Rock) (Metamorphic Quartzite (SiO2)) — metamorphic

Quartzite Pebble (River Rock)

Metamorphic Quartzite (SiO2)

Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz

Silicon Dioxide (SiO2)

Muscovite (White Mica) (Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2) — Mineral

Muscovite (White Mica)

Muscovite - Potassium aluminum silicate: KAl2(AlSi3O10)(F,OH)2

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Green Tiger's Eye (Silicified Crocidolite (Quartz variety, SiO2)) — metamorphic

Green Tiger's Eye

Silicified Crocidolite (Quartz variety, SiO2)

Diorite (or Gabbro/Gneiss stream pebble) (Diorite) — igneous

Diorite (or Gabbro/Gneiss stream pebble)

Diorite

Asphalt (Bituminous Concrete) (Asphaltum / Bitumen-Aggregate Matrix) — Technonatural composite (often containing sedimentary/igneous aggregate)

Asphalt (Bituminous Concrete)

Asphaltum / Bitumen-Aggregate Matrix

Technonatural composite (often containing sedimentary/igneous aggregate)

Granite (Phaneritic plutonic felsic rock (primarily Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic plutonic felsic rock (primarily Quartz, Feldspar, and Mica)

Granite (Granite (Felsic Plutonic Rock)) — igneous

Granite

Granite (Felsic Plutonic Rock)

Amethyst (Amethyst (Silicon Dioxide - SiO2 with Iron impurities)) — mineral

Amethyst

Amethyst (Silicon Dioxide - SiO2 with Iron impurities)

Quartzite with Calcite Accretion (Metamorphosed Quartz Sandstone (SiO2 with CaCO3 coating)) — metamorphic

Quartzite with Calcite Accretion

Metamorphosed Quartz Sandstone (SiO2 with CaCO3 coating)

Granite (Phaneritic Igneous Rock (Granite)) — igneous

Granite

Phaneritic Igneous Rock (Granite)

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive igneous rock (Acidic)) — igneous

Granite

Intrusive igneous rock (Acidic)

Gneiss (Gneiss) — metamorphic

Gneiss

Gneiss

Granodiorite (Phaneritic Plutonic Granodiorite) — igneous

Granodiorite

Phaneritic Plutonic Granodiorite

Basalt Pebble (Extrusive Igneous Rock) — igneous

Basalt Pebble

Extrusive Igneous Rock

Schist (Schist (Crystalline metamorphic rock)) — metamorphic

Schist

Schist (Crystalline metamorphic rock)

Basalt (Extrusive igneous rock) — igneous

Basalt

Extrusive igneous rock

Basalt (Extrusive Igneous Rock) — igneous

Basalt

Extrusive Igneous Rock

Basalt (with Iron Staining) (Mafic Igneous Rock) — igneous

Basalt (with Iron Staining)

Mafic Igneous Rock

Granite (Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)

Granite (Granite) — igneous

Granite

Granite

Granite (Weathered) (Granitic intrusive rock) — igneous

Granite (Weathered)

Granitic intrusive rock

Granite (Granite (compositionally of Quartz, Alkali Feldspar, and Plagioclase)) — igneous

Granite

Granite (compositionally of Quartz, Alkali Feldspar, and Plagioclase)

Biotite on Quartz (Biotite Mica (K(Mg,Fe)3AlSi3O10(F,OH)2)) — mineral

Biotite on Quartz

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

Granite (Granite (composed primarily of Quartz, Feldspar, and Mica/Amphibole)) — igneous

Granite

Granite (composed primarily of Quartz, Feldspar, and Mica/Amphibole)

Quartzite with Iron Inclusions (Metamorphosed Quartz Sandstone (SiO2 with Fe2O3)) — metamorphic

Quartzite with Iron Inclusions

Metamorphosed Quartz Sandstone (SiO2 with Fe2O3)

Granodiorite (Phaneritic Granodiorite) — igneous

Granodiorite

Phaneritic Granodiorite