Rock Identifier

Category

Amorphous Solid

Browse amorphous solid specimens identified by the Rock Identifier community.

Jasper (Silicon dioxide (SiO2) with impurities) — sedimentary

Jasper

Silicon dioxide (SiO2) with impurities

Vesicular Basalt with Amygdaloidal Infill (Basalt (Mafic Extrusive Igneous Rock)) — igneous

Vesicular Basalt with Amygdaloidal Infill

Basalt (Mafic Extrusive Igneous Rock)

Basalt (Vesicular or Scoriaceous) (Aphanitic Mafic Volcanic Rock) — igneous

Basalt (Vesicular or Scoriaceous)

Aphanitic Mafic Volcanic Rock

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Vesicular Basalt (Extrusive Mafic Igneous Rock) — igneous

Vesicular Basalt

Extrusive Mafic Igneous Rock

Basalt (Vesicular Basalt) — igneous

Basalt

Vesicular Basalt

Brown Jasper (Silicon Dioxide (SiO2) with iron oxide impurities) — sedimentary

Brown Jasper

Silicon Dioxide (SiO2) with iron oxide impurities

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

Basalt (Vesicular/Scoria)

Vesicular Basalt

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

Vesicular Basalt

Extrusive Mafic Igneous Rock (Vesicular Basalt)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Quartz Veined Basalt (Mafic Volcanic Rock with Microcrystalline Quartz (SiO2)) — igneous

Quartz Veined Basalt

Mafic Volcanic Rock with Microcrystalline Quartz (SiO2)

Moss Agate and Druzy Quartz Carving (Cryptocrystalline Silica (SiO2) with impurities) — mineral

Moss Agate and Druzy Quartz Carving

Cryptocrystalline Silica (SiO2) with impurities

Vesicular Basalt (Basalt with vesicular texture) — igneous

Vesicular Basalt

Basalt with vesicular texture

Scoria (Extrusive Basaltic Scoria) — igneous

Scoria

Extrusive Basaltic Scoria

Scoria (Vesicular Basalt / Scoria (Mafic silicate rock)) — Igneous

Scoria

Vesicular Basalt / Scoria (Mafic silicate rock)

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

Scoria (Lava Rock)

Vesicular Basalt / Scoria

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

Pumice

Pumice (a highly vesicular felsic volcanic rock)

Scoria (Lava Rock) (Scoria (Vesicular Basaltic Glass/Rock)) — igneous

Scoria (Lava Rock)

Scoria (Vesicular Basaltic Glass/Rock)

Basalt with Vesicle/Vug (Basalt (Aphanitic Mafic Igneous Rock)) — igneous

Basalt with Vesicle/Vug

Basalt (Aphanitic Mafic Igneous Rock)

Red Jasper (Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)) — sedimentary

Red Jasper

Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)

Sunstone (Oligoclase (Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8 with Hematite or Copper inclusions) — mineral

Sunstone

Oligoclase (Plagioclase Feldspar) - (Na,Ca)(Si,Al)4O8 with Hematite or Copper inclusions

Red Jasper (Silicon Dioxide (SiO2) with Hematite impurities) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite impurities

Vesicular Basalt (Scoria) (Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)) — igneous

Vesicular Basalt (Scoria)

Extrusive Mafic Igneous Rock (primarily Plagioclase Feldspar and Pyroxene)

Vesicular Basalt (Scoria) (Vesicular Basalt) — igneous

Vesicular Basalt (Scoria)

Vesicular Basalt

Yellow Jasper (Silicon Dioxide (SiO2) with Goethite/Limonite inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with Goethite/Limonite inclusions

Pumice (Pumicite / Vesicular Rhyolite) — igneous

Pumice

Pumicite / Vesicular Rhyolite

Selenite (Satin Spar) (Gypsum (CaSO4·2H2O)) — mineral

Selenite (Satin Spar)

Gypsum (CaSO4·2H2O)

Gneiss (Gneiss (Metamorphic rock)) — metamorphic

Gneiss

Gneiss (Metamorphic rock)

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

Scoria (Lava Rock)

Vesicular Basalt / Scoria

Dalmation Stone (often called Dalmatian Jasper) (Antiperthite-rich Microgranite) — igneous

Dalmation Stone (often called Dalmatian Jasper)

Antiperthite-rich Microgranite

Scoria (Scoria (Vesicular Basaltic Glass)) — Igneous

Scoria

Scoria (Vesicular Basaltic Glass)

Yellow Jasper (Silicon Dioxide (SiO2) with iron inclusions) — sedimentary

Yellow Jasper

Silicon Dioxide (SiO2) with iron inclusions

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

Vesicular Basalt

Basalt (with vesicular texture)

Red Jasper (Silicon Dioxide (SiO2) with Hematite inclusions) — sedimentary

Red Jasper

Silicon Dioxide (SiO2) with Hematite inclusions

Banded Agate (often called Brown Agate or Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Banded Agate (often called Brown Agate or Chalcedony)

Silicon Dioxide (SiO2)

Vesicular Basalt (Mafic Igneous Rock) — igneous

Vesicular Basalt

Mafic Igneous Rock

Rhodochrosite in Quartz (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite in Quartz

Manganese Carbonate (MnCO3)

Rhodochrosite (Manganese Carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese Carbonate (MnCO3)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)

Lava Stone and Chakra Beads (Basalt (with various mineral/synthetic beads)) — igneous

Lava Stone and Chakra Beads

Basalt (with various mineral/synthetic beads)

Rhodochrosite (Manganese carbonate (MnCO3)) — mineral

Rhodochrosite

Manganese carbonate (MnCO3)