Rock Identifier

Category

Basalt

Browse basalt specimens identified by the Rock Identifier community.

Learn about Basalt in the encyclopedia

Basalt

Tholeiitic Basalt

Tholeiitic Basalt

Metabasalt

Variolite

Tachylite

Gabbro

Sideromelane

Palagonite

Diabase

Greenstone

Limburgite

Scoria

Diabase (Diabase (also known as Dolerite)) — igneous

Diabase

Diabase (also known as Dolerite)

Fine-grained mafic rock, likely basalt or altered basalt (Basalt; chiefly plagioclase feldspar and pyroxene, with possible chlorite/serpentine alteration) — igneous

Fine-grained mafic rock, likely basalt or altered basalt

Basalt; chiefly plagioclase feldspar and pyroxene, with possible chlorite/serpentine alteration

Basalt (Amygdaloidal) (Amygdaloidal Basalt) — igneous

Basalt (Amygdaloidal)

Amygdaloidal Basalt

River Stone (Basalt Porphyry) (Porphyritic Basalt) — igneous

River Stone (Basalt Porphyry)

Porphyritic Basalt

Vesicular Basalt (Aphanitic Mafic Igneous Rock (with vesicles)) — igneous

Vesicular Basalt

Aphanitic Mafic Igneous Rock (with vesicles)

Sunstone (Oligoclase (Plagioclase Feldspar) with inclusions of Hematite or Copper) — gemstone

Sunstone

Oligoclase (Plagioclase Feldspar) with inclusions of Hematite or Copper

Sunstone (Oregon Sunstone) (Labradorite (Feldspar variety) - (Ca, Na)(Al, Si)4O8) — mineral

Sunstone (Oregon Sunstone)

Labradorite (Feldspar variety) - (Ca, Na)(Al, Si)4O8

White-veined dark stone, likely basalt with quartz/calcite veins (Veined basalt (dark mafic rock; veins likely quartz or calcite)) — igneous

White-veined dark stone, likely basalt with quartz/calcite veins

Veined basalt (dark mafic rock; veins likely quartz or calcite)

Vesicular Basalt with Feldspar Phenocrysts (Porphyritic Basalt) — igneous

Vesicular Basalt with Feldspar Phenocrysts

Porphyritic Basalt

Basalt Pebble (Porphyritic Basalt) — igneous

Basalt Pebble

Porphyritic Basalt

Lava Rock (Basalt / Scoria) — igneous

Lava Rock

Basalt / Scoria

Basalt Pebble with Vesicles (Vesicular Basalt) — igneous

Basalt Pebble with Vesicles

Vesicular Basalt

Vesicular Basalt (Pumice-like) (Vesicular Basalt) — igneous

Vesicular Basalt (Pumice-like)

Vesicular Basalt

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt)

Porphyritic Basalt

Scoria (Scoriaceous Basalt) — igneous

Scoria

Scoriaceous Basalt

Vesicular Basalt (Lava Rock) (Vesicular basalt) — igneous

Vesicular Basalt (Lava Rock)

Vesicular basalt

Porphyritic Basalt (Porphyritic Basalt) — igneous

Porphyritic Basalt

Porphyritic Basalt

Basalt with Plagioclase Porphyry (Porphyritic Basalt) — igneous

Basalt with Plagioclase Porphyry

Porphyritic Basalt

Basalt (River Stone) (Vesicular Basalt) — igneous

Basalt (River Stone)

Vesicular Basalt

Lava Rock (Basaltic Scoria) (Vesicular Basalt) — igneous

Lava Rock (Basaltic Scoria)

Vesicular Basalt

Scoria (Vesicular Basalt) — igneous

Scoria

Vesicular Basalt

Vesicular Basalt (Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (Scoria)

Vesicular Basalt

Beach Pebble (Basalt/Greywacke) (Amygdaloidal Basalt) — igneous

Beach Pebble (Basalt/Greywacke)

Amygdaloidal Basalt

Vesicular Basalt (or Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (or Scoria)

Vesicular Basalt

Basalt with Vesicles (Vesicular Basalt) — igneous

Basalt with Vesicles

Vesicular Basalt

Basalt Porphyry (Porphyritic Basalt) — igneous

Basalt Porphyry

Porphyritic Basalt

Vesicular Basalt (Lava Rock) (Vesicular Basalt) — igneous

Vesicular Basalt (Lava Rock)

Vesicular Basalt

Vesicular Basalt (Pumice-like) (Vesicular Basalt) — igneous

Vesicular Basalt (Pumice-like)

Vesicular Basalt

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

Basalt Porphyry (Porphyritic Basalt) — igneous

Basalt Porphyry

Porphyritic Basalt

Amygdaloidal Basalt (Amygdaloidal Basalt) — igneous

Amygdaloidal Basalt

Amygdaloidal Basalt

Basalt River Stone (Aphanitic Basalt) — igneous

Basalt River Stone

Aphanitic Basalt

Basalt Porphyry (Porphyritic Basalt) — igneous

Basalt Porphyry

Porphyritic Basalt

Scoria (Scoriaceous Basalt) — igneous

Scoria

Scoriaceous Basalt

Basalt with Plagioclase Phenocrysts (Porphyritic Basalt) — igneous

Basalt with Plagioclase Phenocrysts

Porphyritic Basalt

Vesicular Basalt River Cobble (Vesicular Basalt) — igneous

Vesicular Basalt River Cobble

Vesicular Basalt

Vesicular Basalt (Iron-rich) (Scoriaceous Basalt) — igneous

Vesicular Basalt (Iron-rich)

Scoriaceous Basalt

Basalt with Vesicles (Vesicular Basalt) — igneous

Basalt with Vesicles

Vesicular Basalt

Scoria (Lava Rock) (Scoriaceous Basalt) — igneous

Scoria (Lava Rock)

Scoriaceous Basalt

Basalt with Porphyritic Texture (Porphyritic Basalt) — igneous

Basalt with Porphyritic Texture

Porphyritic Basalt

Scoria (Basaltic Lava Rock) (Vesicular Basalt) — igneous

Scoria (Basaltic Lava Rock)

Vesicular Basalt

Scoria (Scoriaceous Basalt) — igneous

Scoria

Scoriaceous Basalt