Rock Identifier

Category

Igneous Rock (Volcanic Glass)

Browse igneous rock (volcanic glass) specimens identified by the Rock Identifier community.

Learn about Igneous Rock (Volcanic Glass) in the encyclopedia

Rock Gypsum

Coral Rock

Asphalt Rock

Rock Salt

Calc-Silicate Rock

Calc-Silicate Rock

Talc-carbonate Rock

Talc-carbonate Rock

Black Obsidian

Obsidian

Pink Obsidian

Sideromelane

Carbonatite

Tachylite

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Silver Sheen Obsidian (Volcanic Glass (SiO2)) — igneous

Silver Sheen Obsidian

Volcanic Glass (SiO2)

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Obsidian (Black Obsidian) (Obsidian (Volcanic Glass)) — igneous

Obsidian (Black Obsidian)

Obsidian (Volcanic Glass)

Obsidian (Volcanic Glass (SiO2)) — igneous

Obsidian

Volcanic Glass (SiO2)

Black Obsidian (Obsidian (Volcanic Glass)) — igneous

Black Obsidian

Obsidian (Volcanic Glass)

Obsidian (Obsidian (Volcanic Glass)) — igneous

Obsidian

Obsidian (Volcanic Glass)

Porphyritic basalt (likely amygdaloidal basalt) (Basalt containing larger plagioclase crystals and pale vesicle-fill minerals, commonly calcite, zeolite, or quartz) — igneous

Porphyritic basalt (likely amygdaloidal basalt)

Basalt containing larger plagioclase crystals and pale vesicle-fill minerals, commonly calcite, zeolite, or quartz

Tumbled Quartz (Silicon Dioxide (SiO2)) — mineral

Tumbled Quartz

Silicon Dioxide (SiO2)

Quartz (Orange/Pink variety) (Silicon Dioxide (SiO2)) — mineral

Quartz (Orange/Pink variety)

Silicon Dioxide (SiO2)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Scoria (Vesicular Mafic Extrusive Igneous Rock) — igneous

Scoria

Vesicular Mafic Extrusive Igneous Rock

Martian Basalt Rock (Extrusive Mafic Igneous Rock (Basalt)) — igneous

Martian Basalt Rock

Extrusive Mafic Igneous Rock (Basalt)

Porphyritic Basalt or Spotted Pebble (Porphyritic volcanic rock with phenocrysts) — igneous

Porphyritic Basalt or Spotted Pebble

Porphyritic volcanic rock with phenocrysts

Olivine Basalt (with Epidote and Serpentine) (Mafic Volcanic Rock (Basalt)) — igneous

Olivine Basalt (with Epidote and Serpentine)

Mafic Volcanic Rock (Basalt)

Basalt River Pebble (with possible Pyrite/Mineralization) (Basalt (Mafic volcanic rock)) — igneous

Basalt River Pebble (with possible Pyrite/Mineralization)

Basalt (Mafic volcanic rock)

Basalt (Aphanitic Mafic Volcanic Rock) — igneous

Basalt

Aphanitic Mafic Volcanic Rock

Porphyritic Basalt (Porphyritic Mafic Volcanic Rock) — igneous

Porphyritic Basalt

Porphyritic Mafic Volcanic Rock

Rhyolite (Rhyolite (felsic volcanic rock)) — igneous

Rhyolite

Rhyolite (felsic volcanic rock)

Basalt (Basalt (extrusive volcanic rock)) — igneous

Basalt

Basalt (extrusive volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (extrusive volcanic rock)) — igneous

Basalt

Basalt (extrusive volcanic rock)

Vesicular Basalt or Scoria (Basalt (extrusive volcanic rock)) — igneous

Vesicular Basalt or Scoria

Basalt (extrusive volcanic rock)

Andesite Porphyry (Andesite (Intermediate Volcanic Rock)) — igneous

Andesite Porphyry

Andesite (Intermediate Volcanic Rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Scoria (Lava Rock) (Scoria (Mafic Volcanic Rock)) — igneous

Scoria (Lava Rock)

Scoria (Mafic Volcanic Rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Lava Rock (Scoria) (Scoria (Mafic volcanic rock)) — igneous

Lava Rock (Scoria)

Scoria (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Pumice (Pumice (Felsic volcanic rock)) — igneous

Pumice

Pumice (Felsic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt with Iron Oxide staining (Basalt (Mafic volcanic rock)) — igneous

Basalt with Iron Oxide staining

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Dacite (Dacite (Intermediate volcanic rock)) — igneous

Dacite

Dacite (Intermediate volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)

Basalt (Basalt (Mafic volcanic rock)) — igneous

Basalt

Basalt (Mafic volcanic rock)