Rock Identifier

Category

Amorphous Solid

Browse amorphous solid specimens identified by the Rock Identifier community.

Learn about Amorphous Solid in the encyclopedia

Tripolite

Rainbow Obsidian

Rainbow Obsidian

Oil Shale

Apache Tears

Grandite Garnet

Geyserite

Gold Sheen Obsidian

Black Obsidian

Diatomaceous Earth

Shungite

Flame Obsidian

Smoky Obsidian

Quartz Vein in Basalt or Porphyry (Silicate-veined volcanic rock) — igneous

Quartz Vein in Basalt or Porphyry

Silicate-veined volcanic rock

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive igneous rock (Felsic)) — igneous

Granite

Intrusive igneous rock (Felsic)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

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

Vesicular Basalt

Extrusive Mafic Igneous Rock (Vesicular Basalt)

Porphyritic Granite (Porphyritic Felsic Igneous Rock) — igneous

Porphyritic Granite

Porphyritic Felsic Igneous Rock

Vesicular Basalt (Basalt with secondary mineral infills) — igneous

Vesicular Basalt

Basalt with secondary mineral infills

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

Vesicular Basalt

Aphanitic Mafic Igneous Rock (with Vesicular Texture)

Granite (Granite) — igneous

Granite

Granite

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Rhodochrosite (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese Carbonate (MnCO3)

Citrine (Silicon Dioxide (Quartz variety), SiO2) — mineral

Citrine

Silicon Dioxide (Quartz variety), SiO2

Kambaba Jasper (Rhyolite (Volcanic rock) or Stromatolite (debated)) — Igneous/Sedimentary (debated)

Kambaba Jasper

Rhyolite (Volcanic rock) or Stromatolite (debated)

Igneous/Sedimentary (debated)

Banded Calcite / Fluorite (or Onyx/Agate depending on hardness) (CaCO3 or CaF2 (depending on exact ID)) — Mineral

Banded Calcite / Fluorite (or Onyx/Agate depending on hardness)

CaCO3 or CaF2 (depending on exact ID)

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Phaneritic Felsic Igneous Rock) — igneous

Granite

Phaneritic Felsic Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Phaneritic Felsic Intrusive Igneous Rock) — igneous

Granite

Phaneritic Felsic Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Felsic intrusive igneous rock) — igneous

Granite

Felsic intrusive igneous rock

Granite (Intrusive igneous rock) — igneous

Granite

Intrusive igneous rock

Granite (Granite) — igneous

Granite

Granite

Granite (Intrusive Igneous Rock (Felsic)) — igneous

Granite

Intrusive Igneous Rock (Felsic)

Pink Granite (Felsic Intrusive Igneous Rock) — igneous

Pink Granite

Felsic Intrusive Igneous Rock

Scoria (Vesicular Mafic Igneous Rock) — igneous

Scoria

Vesicular Mafic Igneous Rock

Vesicular Basalt (Basalt with a vesicular texture) — igneous

Vesicular Basalt

Basalt with a vesicular texture

Rutilated Quartz (Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions) — mineral

Rutilated Quartz

Silicon Dioxide (SiO2) with Titanium Dioxide (TiO2) inclusions

Vesicular Basalt (Lava Rock) (Basalt with vesicular texture) — igneous

Vesicular Basalt (Lava Rock)

Basalt with vesicular texture

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

Vesicular Basalt (or Scoria)

Vesicular Basalt

Aura Quartz (Titanium Quartz) (Titanium-coated Silicon Dioxide (SiO2 + Ti)) — mineral

Aura Quartz (Titanium Quartz)

Titanium-coated Silicon Dioxide (SiO2 + Ti)

Rhodochrosite with Pyrite and Quartz (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite with Pyrite and Quartz

Manganese Carbonate (MnCO3)

Granodiorite (Phaneritic intrusive igneous rock) — igneous

Granodiorite

Phaneritic intrusive igneous rock

Pumice (Pumice (Volcanic Rock / Glass Froth)) — igneous

Pumice

Pumice (Volcanic Rock / Glass Froth)

Diabase (Dolerite) (Mafic intrusive igneous rock) — igneous

Diabase (Dolerite)

Mafic intrusive igneous rock

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

Scoria (Lava Rock)

Vesicular Basalt / Scoria

Scoria (Vesicular Basalt / Scoria) — igneous

Scoria

Vesicular Basalt / Scoria