Rock Identifier

Category

Igneous

Browse igneous specimens identified by the Rock Identifier community.

Learn about Igneous in the encyclopedia

Albitite

Alnöite

Andesite

Anorthosite

Apache Tears

Banded Obsidian

Banded Obsidian

Basalt

Black Obsidian

Blue Pearl Granite

Blue Pearl Granite

Boninite

Bostonite

Brown Obsidian

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

River Pebble (Basalt or Gabbro)

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Weathered) (Mafic Igneous Rock) — igneous

Basalt (Weathered)

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Vesicular) (Basalt (Extrusive Igneous)) — igneous

Basalt (Vesicular)

Basalt (Extrusive Igneous)

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

Weathered Basalt with Iron Staining

Mafic Igneous Rock

Diorite (Polished River Stone) (Intrusive Igneous Diorite) — igneous

Diorite (Polished River Stone)

Intrusive Igneous Diorite

Basalt (Mafic Igneous Pebble) — igneous

Basalt

Mafic Igneous Pebble

Diorite (River Cobble) (Intrusive Igneous Diorite) — igneous

Diorite (River Cobble)

Intrusive Igneous Diorite

Vesicular Basalt (Mafic Igneous Rock) — igneous

Vesicular Basalt

Mafic Igneous Rock

Basalt with Iron Oxidation (Mafic Igneous Basalt) — igneous

Basalt with Iron Oxidation

Mafic Igneous Basalt

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Mafic Igneous Basalt) — igneous

Basalt

Mafic Igneous Basalt

Gabbro (Gabbro) — igneous

Gabbro

Gabbro

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

Gabbro (Water-worn Pebble)

Gabbro

Magnetite (Lodestone) (Magnetite (Fe3O4)) — mineral

Magnetite (Lodestone)

Magnetite (Fe3O4)

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Quartz Crystal Cluster (Silicon Dioxide (SiO2)) — mineral

Quartz Crystal Cluster

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Clear Quartz (Silicon dioxide (SiO2)) — mineral

Clear Quartz

Silicon dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz with Iron Staining (Silicon Dioxide (SiO2)) — mineral

Quartz with Iron Staining

Silicon Dioxide (SiO2)

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Quartz (Milky Quartz/Citrine Type) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky Quartz/Citrine Type)

Silicon Dioxide (SiO2)

Milky Quartz with Mineral Inclusions (Silicon Dioxide (SiO2) with miscellaneous inclusions) — mineral

Milky Quartz with Mineral Inclusions

Silicon Dioxide (SiO2) with miscellaneous inclusions

Quartz / Quartzite (Silicon Dioxide (SiO2)) — mineral / metamorphic

Quartz / Quartzite

Silicon Dioxide (SiO2)

mineral / metamorphic

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Quartz (Silicon dioxide (SiO2)) — mineral

Quartz

Silicon dioxide (SiO2)

Granite and Igneous Mix (Phaneritic Felsic to Mafic Intrusive Rocks) — igneous

Granite and Igneous Mix

Phaneritic Felsic to Mafic Intrusive Rocks

Biotite or Phlogopite Mica (K(Mg,Fe)3(AlSi3O10)(F,OH)2) — mineral

Biotite or Phlogopite Mica

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

Granite Pebble (Pink/Orthoclase Granite) (Granite) — igneous

Granite Pebble (Pink/Orthoclase Granite)

Granite

Gabbro Pebble (Polished Beach/River Stone) (Gabbro) — igneous

Gabbro Pebble (Polished Beach/River Stone)

Gabbro

Dalmatian Jasper (Feldspar porphyry (Microcline and Quartz with Arfvedsonite spots)) — igneous

Dalmatian Jasper

Feldspar porphyry (Microcline and Quartz with Arfvedsonite spots)

Banded Gneiss (Gneiss) — metamorphic

Banded Gneiss

Gneiss

Feldspar (Feldspar (Orthoclase/Microcline)) — mineral

Feldspar

Feldspar (Orthoclase/Microcline)

Blue Apatite (Ca5(PO4)3(F,Cl,OH)) — mineral

Blue Apatite

Ca5(PO4)3(F,Cl,OH)