Rock Identifier

Category

Man Made Glass (Not A Natural Rock Or Mineral)

Browse man made glass (not a natural rock or mineral) specimens identified by the Rock Identifier community.

Smoky Quartz and Feldspar Pegmatite (Granitic Pegmatite (chiefly SiO2 and KAlSi3O8)) — igneous

Smoky Quartz and Feldspar Pegmatite

Granitic Pegmatite (chiefly SiO2 and KAlSi3O8)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Conglomerate (Conglomerate) — Sedimentary Rock

Conglomerate

Conglomerate

Sedimentary Rock

Iron-Stained Quartzite (Recrystallized Meta-Quartzite (primarily SiO2)) — metamorphic

Iron-Stained Quartzite

Recrystallized Meta-Quartzite (primarily SiO2)

Quartz-veined Basalt (Amygdaloidal or Porphyritic Basalt with Silicon Dioxide (SiO2) vein) — igneous

Quartz-veined Basalt

Amygdaloidal or Porphyritic Basalt with Silicon Dioxide (SiO2) vein

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Muscovite Mica (Muscovite (KAl2(AlSi3O10)(OH)2)) — Mineral

Muscovite Mica

Muscovite (KAl2(AlSi3O10)(OH)2)

Quartzite River Cobble (Quartzite (primarily SiO2)) — metamorphic

Quartzite River Cobble

Quartzite (primarily SiO2)

Diamond (or Cubic Zirconia imitation) (Carbon (C) - Native Element) — mineral

Diamond (or Cubic Zirconia imitation)

Carbon (C) - Native Element

Diamond (or Diamond Simulant) (Carbon (C) - Native Element) — mineral

Diamond (or Diamond Simulant)

Carbon (C) - Native Element

Rough Diamond (Diamond (Native Carbon), C) — mineral

Rough Diamond

Diamond (Native Carbon), C

Tahitian Black Pearl (Biogenic Calcium Carbonate (Aragonite/Conchiolin Mixture), CaCO3) — mineral

Tahitian Black Pearl

Biogenic Calcium Carbonate (Aragonite/Conchiolin Mixture), CaCO3

Diamond (Diamond (C)) — mineral

Diamond

Diamond (C)

Ametrine (Ametrine (SiO2 - Silicon Dioxide with varied iron impurities)) — mineral

Ametrine

Ametrine (SiO2 - Silicon Dioxide with varied iron impurities)

Vesicular Basalt with Quartz/Chalcedony (Vesicular Basalt (primarily Plagioclase, Pyroxene, and Olivine with SiO2 infill)) — igneous

Vesicular Basalt with Quartz/Chalcedony

Vesicular Basalt (primarily Plagioclase, Pyroxene, and Olivine with SiO2 infill)

Quartzite Pebble (Quartzite (SiO2)) — metamorphic

Quartzite Pebble

Quartzite (SiO2)

Sandstone with Bedding Planes (Arenite (Sedimentary rock composed primarily of sand-sized minerals)) — sedimentary

Sandstone with Bedding Planes

Arenite (Sedimentary rock composed primarily of sand-sized minerals)

Quartz (Silicon Dioxide (SiO₂)) — Mineral

Quartz

Silicon Dioxide (SiO₂)

Carnelian (Carnelian (a variety of Chalcedony, SiO₂)) — Mineral

Carnelian

Carnelian (a variety of Chalcedony, SiO₂)

Howlite (Dyed to resemble Turquoise) (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Howlite (Dyed to resemble Turquoise)

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Pearl (Biogenic Calcium Carbonate (Aragonite and Conchiolin), CaCO3) — mineral

Pearl

Biogenic Calcium Carbonate (Aragonite and Conchiolin), CaCO3

Blue Onyx (Dyed Agate) (Cryptocrystalline Quartz (SiO2) with artificial pigment) — mineral

Blue Onyx (Dyed Agate)

Cryptocrystalline Quartz (SiO2) with artificial pigment

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

Red Jasper

Silicon Dioxide (SiO2) with Iron Oxide inclusions

Amygdaloidal Basalt (Basalt with Secondary Mineral Infillings) — igneous

Amygdaloidal Basalt

Basalt with Secondary Mineral Infillings

Turquoise (likely Stabilized or Dyed Howlite/Magnesite) (Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O) — mineral

Turquoise (likely Stabilized or Dyed Howlite/Magnesite)

Hydrated phosphate of copper and aluminium - CuAl6(PO4)4(OH)8·4H2O

Granite (Granite (Phaneritic Quartz-Feldspar Plutonic Rock)) — igneous

Granite

Granite (Phaneritic Quartz-Feldspar Plutonic Rock)

Limestone (Calcium Carbonate (CaCO3)) — sedimentary

Limestone

Calcium Carbonate (CaCO3)

Calcite (Yellow/Orange variety - sometimes called Honey Calcite) (Calcite) — Mineral

Calcite (Yellow/Orange variety - sometimes called Honey Calcite)

Calcite

Blue Agate (Dyed Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Blue Agate (Dyed Chalcedony)

Silicon Dioxide (SiO2)

Basalt with Quartz Veining (Basalt (Mafic Extrusive Igneous Rock) with SiO2 (Silicon Dioxide) veins) — igneous

Basalt with Quartz Veining

Basalt (Mafic Extrusive Igneous Rock) with SiO2 (Silicon Dioxide) veins

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Granite (Granite (felsic intrusive igneous rock)) — igneous

Granite

Granite (felsic intrusive igneous rock)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Red Siltstone (or Red Shale) (Clastic Sedimentary Rock (Composition: primarily Quartz, Clay minerals, and Hematite Fe2O3)) — sedimentary

Red Siltstone (or Red Shale)

Clastic Sedimentary Rock (Composition: primarily Quartz, Clay minerals, and Hematite Fe2O3)

Amethyst Quartz Druse (Silicon Dioxide (SiO2) with iron impurities) — mineral

Amethyst Quartz Druse

Silicon Dioxide (SiO2) with iron impurities

Quartzite (Quartzite) — metamorphic

Quartzite

Quartzite

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartz (Clear Quartz/Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (Clear Quartz/Rock Crystal)

Silicon Dioxide (SiO2)

River Quartzite (River Rock) (Quartzite (SiO2)) — metamorphic

River Quartzite (River Rock)

Quartzite (SiO2)

Sandstone (River Cobble) (Arenite) — sedimentary

Sandstone (River Cobble)

Arenite