Rock Identifier

Category

Mineral In Igneous Rock

Browse mineral in igneous rock specimens identified by the Rock Identifier community.

Pumice (Pumice (volcanic glass froth)) — igneous

Pumice

Pumice (volcanic glass froth)

Basalt (Basalt) — igneous

Basalt

Basalt

Pumice (Pumice (a highly vesicular volcanic glass)) — igneous

Pumice

Pumice (a highly vesicular volcanic glass)

Peridotite (with Olivine) (Peridotite (rich in Olivine, (Mg,Fe)2SiO4)) — igneous

Peridotite (with Olivine)

Peridotite (rich in Olivine, (Mg,Fe)2SiO4)

Basalt with Epidote (Porphyry) (Basalt (with inclusions of Epidote/Feldspar)) — igneous

Basalt with Epidote (Porphyry)

Basalt (with inclusions of Epidote/Feldspar)

Basalt (Basalt (SiO2 percentage between 45% and 52%)) — igneous

Basalt

Basalt (SiO2 percentage between 45% and 52%)

Pumice (Pumicite / Vesicular Rhyolite) — igneous

Pumice

Pumicite / Vesicular Rhyolite

Quartz Vein (Iron-stained) (Silicon Dioxide (SiO2) with limonite/hematite staining) — mineral

Quartz Vein (Iron-stained)

Silicon Dioxide (SiO2) with limonite/hematite staining

River Cobble (Gneiss/Migmatite) (Gneissic Metamorphic Rock (composed mainly of Quartz, Feldspar, and Biotite)) — metamorphic

River Cobble (Gneiss/Migmatite)

Gneissic Metamorphic Rock (composed mainly of Quartz, Feldspar, and Biotite)

Banded Gneiss (Gneiss (pronounced "nice")) — metamorphic

Banded Gneiss

Gneiss (pronounced "nice")

Pumice (Pumice (a highly vesicular amorphous silicate)) — igneous

Pumice

Pumice (a highly vesicular amorphous silicate)

Pumice and Scoria (Vesicular Volcanic Ejecta (Rhyolite/Andesite/Basalt)) — igneous

Pumice and Scoria

Vesicular Volcanic Ejecta (Rhyolite/Andesite/Basalt)

Pumice (Vesicular volcanic glass (primarily Alumino-silicates)) — igneous

Pumice

Vesicular volcanic glass (primarily Alumino-silicates)

Scoria (Lava Rock) (Scoria) — igneous

Scoria (Lava Rock)

Scoria

Basalt with Porphyritic Texture (Porphyritic Basalt) — igneous

Basalt with Porphyritic Texture

Porphyritic Basalt

Porphyritic Andesite (Andesite (porphyritic variety)) — igneous

Porphyritic Andesite

Andesite (porphyritic variety)

Chondrite Meteorite (Ordinary Chondrite (L or H type)) — igneous

Chondrite Meteorite

Ordinary Chondrite (L or H type)

Vesicular Basalt (Basalt) — igneous

Vesicular Basalt

Basalt

Basalt (River Pebble) (Basalt (Aphanitic Mafic Volcanic Rock)) — Igneous

Basalt (River Pebble)

Basalt (Aphanitic Mafic Volcanic Rock)

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Pumice (Pumice (a vesicular volcanic glass)) — igneous

Pumice

Pumice (a vesicular volcanic glass)

Pumice (Vesicular volcanic glass) — igneous

Pumice

Vesicular volcanic glass

Vesicular Basalt (Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (Scoria)

Vesicular Basalt

Porphyry (Porphyritic Rhyolite or Andesite) — igneous

Porphyry

Porphyritic Rhyolite or Andesite

Bauxite (Bauxite (principal ore of aluminum, primarily Al(OH)3)) — sedimentary

Bauxite

Bauxite (principal ore of aluminum, primarily Al(OH)3)

Quartz (Silicon Dioxide (SiO2)) — Mineral

Quartz

Silicon Dioxide (SiO2)

Magnetite (potentially Hematite-rich) (Magnetite (Fe3O4)) — mineral

Magnetite (potentially Hematite-rich)

Magnetite (Fe3O4)

Sandstone (Arenite (SiO2 principal)) — sedimentary

Sandstone

Arenite (SiO2 principal)

Black River Stone (Chert or Basalt Pebble) (Microcrystalline Quartz (SiO2) or Mafic Igneous Rock) — sedimentary

Black River Stone (Chert or Basalt Pebble)

Microcrystalline Quartz (SiO2) or Mafic Igneous Rock

River Stone (Basalt or Siltstone) (Mafic Volcanic Rock or Clastic Sedimentary Rock) — igneous or sedimentary

River Stone (Basalt or Siltstone)

Mafic Volcanic Rock or Clastic Sedimentary Rock

igneous or sedimentary

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Chert Breccia (Yellow Jasper) (Silicon Dioxide (SiO2) - Brecciated Chert) — sedimentary

Chert Breccia (Yellow Jasper)

Silicon Dioxide (SiO2) - Brecciated Chert

Scoria (Scoriaceous Basalt) — igneous

Scoria

Scoriaceous Basalt

Apache Tear (Obsidian) (Hydrated volcanic glass (SiO2 with inclusions)) — igneous

Apache Tear (Obsidian)

Hydrated volcanic glass (SiO2 with inclusions)

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

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Quartz-filled Basalt Geode (Amygdaloidal Basalt with Quartz (SiO2)) — igneous

Quartz-filled Basalt Geode

Amygdaloidal Basalt with Quartz (SiO2)

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

Basalt

Basalt (Aphanitic Mafic Volcanic Rock)

Pumice (Pumice (Amorphous volcanic glass)) — igneous

Pumice

Pumice (Amorphous volcanic glass)

Pumice (Pumice (a highly vesicular felsic volcanic rock)) — igneous

Pumice

Pumice (a highly vesicular felsic volcanic rock)

Biotite Schist (Biotite Schist) — Metamorphic

Biotite Schist

Biotite Schist

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Smoky Quartz (SiO2 (Silicon Dioxide)) — Mineral

Smoky Quartz

SiO2 (Silicon Dioxide)