Rock Identifier

Category

Man Made (Synthetic Rock)

Browse man made (synthetic rock) specimens identified by the Rock Identifier community.

Learn about Man Made (Synthetic Rock) in the encyclopedia

Rock Gypsum

Coral Rock

Asphalt Rock

Rock Salt

Talc-carbonate Rock

Talc-carbonate Rock

Calc-Silicate Rock

Calc-Silicate Rock

Opalite

Zincite

Yttrium Aluminum Garnet

Yttrium Aluminum Garnet

Lead Feldspar

Goldstone

Anorthosite

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Mixed river-worn rock and mineral collection (Mostly quartz/quartzite, feldspar-bearing granitoid, chert, and mafic volcanic rocks; exact species vary by pebble) — igneous, sedimentary, metamorphic, mineral

Mixed river-worn rock and mineral collection

Mostly quartz/quartzite, feldspar-bearing granitoid, chert, and mafic volcanic rocks; exact species vary by pebble

igneous, sedimentary, metamorphic, mineral

Sandstone Pebble (Sandstone (primarily SiO2)) — sedimentary

Sandstone Pebble

Sandstone (primarily SiO2)

Weathered granitoid (likely granite or granitic gneiss) (Granite; chiefly quartz, feldspar, and mica (exact identification uncertain from the photo)) — igneous

Weathered granitoid (likely granite or granitic gneiss)

Granite; chiefly quartz, feldspar, and mica (exact identification uncertain from the photo)

Quartz (Rock Crystal) with minor impurities (Quartz (SiO2)) — Mineral

Quartz (Rock Crystal) with minor impurities

Quartz (SiO2)

Sandstone (Arenite) — sedimentary

Sandstone

Arenite

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Basalt Pebble (Mafic Igneous Rock) — igneous

Basalt Pebble

Mafic Igneous Rock

Basalt (Mafic volcanic rock) — igneous

Basalt

Mafic volcanic rock

Basalt River Stone (Basaltic Igneous Rock) — igneous

Basalt River Stone

Basaltic Igneous Rock

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Pumice (Pumice (Volcanic glass / Felsic igneous rock)) — igneous

Pumice

Pumice (Volcanic glass / Felsic igneous rock)

Vesicular Basalt (Extrusive mafic igneous rock (Basalt with vesicular texture)) — igneous

Vesicular Basalt

Extrusive mafic igneous rock (Basalt with vesicular texture)

Dalmatian Jasper (Peralkaline Quartz-feldspathic Rock (Arfvedsonite-bearing)) — igneous

Dalmatian Jasper

Peralkaline Quartz-feldspathic Rock (Arfvedsonite-bearing)

Porphyritic Basalt (Chinese Flower Stone / Chrysanthemum Stone basalt variety) (Porphyritic Basalt containing Plagioclase Feldspar phenocrysts) — igneous

Porphyritic Basalt (Chinese Flower Stone / Chrysanthemum Stone basalt variety)

Porphyritic Basalt containing Plagioclase Feldspar phenocrysts

Herkimer Diamond (Quartz (Silicon Dioxide, SiO2)) — mineral

Herkimer Diamond

Quartz (Silicon Dioxide, SiO2)

Basalt (Basalt) — igneous

Basalt

Basalt

Basalt River Stone (Basalt) — igneous

Basalt River Stone

Basalt

Moonstone (Orthoclase Feldspar (KAlSi3O8)) — mineral

Moonstone

Orthoclase Feldspar (KAlSi3O8)

Quartz Geode (Silicon Dioxide (SiO2) within a geode) — mineral

Quartz Geode

Silicon Dioxide (SiO2) within a geode

Peridotite (Ultramafic igneous rock) — igneous

Peridotite

Ultramafic igneous rock

Pink Granite (Plagioclase-Quartz-K-Feldspar Granite) — igneous

Pink Granite

Plagioclase-Quartz-K-Feldspar Granite

Sandstone (Quartz-rich) (Arenite (primarily SiO2)) — sedimentary

Sandstone (Quartz-rich)

Arenite (primarily SiO2)

Sandstone (likely Graywacke or Arkosic varieties) (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone (likely Graywacke or Arkosic varieties)

Arenite (composed primarily of SiO2)

Quartz Vein in Host Rock (Silicon Dioxide (SiO2) within Metasedimentary or Igneous Matrix) — metamorphic

Quartz Vein in Host Rock

Silicon Dioxide (SiO2) within Metasedimentary or Igneous Matrix

Wishing Stone (Basalt or Siltstone with Quartz/Calcite Vein) (Basalt (SiO2+MgO+FeO) or Siltstone with a Quartz (SiO2) or Calcite (CaCO3) vein) — igneous or sedimentary

Wishing Stone (Basalt or Siltstone with Quartz/Calcite Vein)

Basalt (SiO2+MgO+FeO) or Siltstone with a Quartz (SiO2) or Calcite (CaCO3) vein

igneous or sedimentary

Desert Varnish (on Sandstone) (Rock Varnish (composed of Manganese oxides, Iron oxides, and Clay minerals)) — sedimentary

Desert Varnish (on Sandstone)

Rock Varnish (composed of Manganese oxides, Iron oxides, and Clay minerals)

Black basalt fragment (Basalt; fine-grained mafic volcanic rock, chiefly plagioclase and pyroxene with possible olivine) — igneous

Black basalt fragment

Basalt; fine-grained mafic volcanic rock, chiefly plagioclase and pyroxene with possible olivine

Granite Pebble (Intrusive Igneous Rock) — igneous

Granite Pebble

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite (Intrusive Igneous Rock) — igneous

Granite

Intrusive Igneous Rock

Granite Cobble (Granite) — igneous

Granite Cobble

Granite

Coarse-grained Granite or Gneiss (Granitic intrusive rock) — igneous

Coarse-grained Granite or Gneiss

Granitic intrusive rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

Basalt (Basaltic Mafic Rock) — igneous

Basalt

Basaltic Mafic Rock

Granite (Plutonic felsic igneous rock) — igneous

Granite

Plutonic felsic igneous rock