Rock Identifier

Category

Mineral (Man Made Glass, Not Natural)

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

Sandstone (Ferruginous) (Ferruginous Sandstone (SiO2 with Fe2O3/FeO(OH) cement)) — sedimentary

Sandstone (Ferruginous)

Ferruginous Sandstone (SiO2 with Fe2O3/FeO(OH) cement)

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

Selenite (Satin Spar)

Gypsum (CaSO4·2H2O)

Sandstone (Red Sandstone) (Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide)) — sedimentary

Sandstone (Red Sandstone)

Clastic Sedimentary Rock (primarily SiO2 with Iron Oxide)

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

Blue Agate (Dyed)

Silicon Dioxide (SiO2)

Red Tiger's Eye (SiO2 (Silicon Dioxide) - Pseudomorph of Quartz after Crocidolite) — mineral

Red Tiger's Eye

SiO2 (Silicon Dioxide) - Pseudomorph of Quartz after Crocidolite

Amethyst (SiO2 (Silicon Dioxide)) — mineral

Amethyst

SiO2 (Silicon Dioxide)

Dyed Pink Agate Slice (Cryptocrystalline variety of Quartz (SiO2)) — mineral

Dyed Pink Agate Slice

Cryptocrystalline variety of Quartz (SiO2)

Black Pearl (Tahitian-style Cultured Pearl) (Calcium Carbonate (Aragonite) with Conchiolin (CaCO3)) — mineral

Black Pearl (Tahitian-style Cultured Pearl)

Calcium Carbonate (Aragonite) with Conchiolin (CaCO3)

Amber (Succinite (Organic Mineraloid) - C10H16O) — mineral

Amber

Succinite (Organic Mineraloid) - C10H16O

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

Herkimer Diamond

Quartz (Silicon Dioxide, SiO2)

Gold Nugget (Native Gold (Au)) — mineral

Gold Nugget

Native Gold (Au)

Ruby (Corundum (Al2O3 with Chromium traces)) — mineral

Ruby

Corundum (Al2O3 with Chromium traces)

Orange Calcite (Calcite (Calcium Carbonate, CaCO3)) — mineral

Orange Calcite

Calcite (Calcium Carbonate, CaCO3)

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Diamond (in jewelry) (Carbon (C)) — mineral

Diamond (in jewelry)

Carbon (C)

Blue Banded Agate (Dyed) (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Blue Banded Agate (Dyed)

Silicon Dioxide (SiO2) - Chalcedony variety

Blue Sapphire (Tumbled/Polished) (Corundum (Al2O3)) — mineral

Blue Sapphire (Tumbled/Polished)

Corundum (Al2O3)

Dyed Pink Agate (Crackled) (Silicon Dioxide (SiO2) - Chalcedony variety) — mineral

Dyed Pink Agate (Crackled)

Silicon Dioxide (SiO2) - Chalcedony variety

Smoky Quartz (Silicon Dioxide (SiO2)) — mineral

Smoky Quartz

Silicon Dioxide (SiO2)

Emerald in Matrix (Quartz/Schist) (Beryl (Be₃Al₂Si₆O₁₈) with Chromium/Vanadium impurities) — mineral

Emerald in Matrix (Quartz/Schist)

Beryl (Be₃Al₂Si₆O₁₈) with Chromium/Vanadium impurities

Blue Dyed Agate (Chalcedony (SiO2) with artificial pigment) — mineral

Blue Dyed Agate

Chalcedony (SiO2) with artificial pigment

Dyed Agate (Silicon Dioxide (SiO2) with artificial pigment) — mineral

Dyed Agate

Silicon Dioxide (SiO2) with artificial pigment

Purple Dyed Agate Geode (Banded Chalcedony) (Silicon Dioxide (SiO2) - variety: Agate) — mineral

Purple Dyed Agate Geode (Banded Chalcedony)

Silicon Dioxide (SiO2) - variety: Agate

Diamond (in jewelry setting) (Diamond (Carbon, C)) — mineral

Diamond (in jewelry setting)

Diamond (Carbon, C)

Connemara Marble (Ophiocalcite (Serpentinitic Marble)) — metamorphic

Connemara Marble

Ophiocalcite (Serpentinitic Marble)

Giallo Ornamental Granite (Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)) — igneous

Giallo Ornamental Granite

Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)

Pearl (Imitation or Cultured) (Calcium Carbonate (Aragonite/Calcite) - CaCO3) — Mineraloid (Organic)

Pearl (Imitation or Cultured)

Calcium Carbonate (Aragonite/Calcite) - CaCO3

Mineraloid (Organic)

Garnet Beads (Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)) — Mineral

Garnet Beads

Garnet Group (complex nesosilicates, e.g., Almandine Fe3Al2(SiO4)3)

Amber (Fossilized Tree Resin (Succinate)) — mineral

Amber

Fossilized Tree Resin (Succinate)

Black Spinel (Magnesium Aluminum Oxide (MgAl2O4)) — mineral

Black Spinel

Magnesium Aluminum Oxide (MgAl2O4)

Granite (Granite) — igneous

Granite

Granite

Dyed Pink Agate (Silicon Dioxide (SiO2) - variety Chalcedony) — mineral

Dyed Pink Agate

Silicon Dioxide (SiO2) - variety Chalcedony

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Blue Apatite (Fluorapatite (Ca5(PO4)3F)) — mineral

Blue Apatite

Fluorapatite (Ca5(PO4)3F)

Halite (Sodium Chloride (NaCl)) — Mineral

Halite

Sodium Chloride (NaCl)

Aquamarine and clear quartz (Aquamarine (Be3Al2Si6O18), Quartz (SiO2)) — Mineral

Aquamarine and clear quartz

Aquamarine (Be3Al2Si6O18), Quartz (SiO2)

Red Dyed Howlite (Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)) — mineral

Red Dyed Howlite

Calcium Borosilicate Hydroxide (Ca2B5SiO9(OH)5)

Amethyst (SiO2 (Silicon Dioxide) with Iron (Fe3+) impurities) — mineral

Amethyst

SiO2 (Silicon Dioxide) with Iron (Fe3+) impurities

White Jade (Nephrite) (Nephrite, Ca2(Mg,Fe)5Si8O22(OH)2) — Mineral

White Jade (Nephrite)

Nephrite, Ca2(Mg,Fe)5Si8O22(OH)2

Amethyst (SiO2 (Silicon Dioxide with Iron impurities and irradiation)) — mineral

Amethyst

SiO2 (Silicon Dioxide with Iron impurities and irradiation)

Amethyst (Silicon Dioxide (SiO2)) — mineral

Amethyst

Silicon Dioxide (SiO2)

Turquoise with Pyrite (Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)) — mineral

Turquoise with Pyrite

Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O] with Iron Pyrite (FeS2)