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.

Quartz Vein / Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Quartz Vein / Milky Quartz

Silicon Dioxide (SiO2)

Quartz (specifically Clear Quartz or Rock Crystal) (Silicon Dioxide (SiO2)) — mineral

Quartz (specifically Clear Quartz or Rock Crystal)

Silicon Dioxide (SiO2)

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

Diamond (set in jewelry)

Diamond (Carbon, C)

Diamond inlaid in Jewelry (Carbon (C)) — mineral

Diamond inlaid in Jewelry

Carbon (C)

Diamond (Colorless/White) (Carbon (C)) — mineral

Diamond (Colorless/White)

Carbon (C)

Quartz (Iron-Stained) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-Stained)

Silicon Dioxide (SiO2)

Sandstone (Arenite (primarily SiO2)) — sedimentary

Sandstone

Arenite (primarily SiO2)

Sandstone (Quartzose Sandstone) (Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)) — sedimentary

Sandstone (Quartzose Sandstone)

Clastic Sedimentary Rock (primarily SiO2 with Fe2O3 staining)

Sandstone (Quartzite-rich) (Clastic sedimentary rock (primarily SiO2)) — sedimentary

Sandstone (Quartzite-rich)

Clastic sedimentary rock (primarily SiO2)

Sandstone (Ferruginous) (Arenite with Iron Oxide matrix) — sedimentary

Sandstone (Ferruginous)

Arenite with Iron Oxide matrix

Clear Quartz (beads in a bracelet) (Quartz (SiO2)) — Mineral

Clear Quartz (beads in a bracelet)

Quartz (SiO2)

Sandstone (Ferruginous) (Arenite (with iron oxide cement, Fe2O3)) — sedimentary

Sandstone (Ferruginous)

Arenite (with iron oxide cement, Fe2O3)

Sandstone (Arenite (composed primarily of SiO2)) — sedimentary

Sandstone

Arenite (composed primarily of SiO2)

Milky Quartz with Iron Inclusions (Silicon Dioxide (SiO2)) — mineral

Milky Quartz with Iron Inclusions

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Basalt River Cobble (Basalt (Aphanitic Mafic Volcanic Rock)) — igneous

Basalt River Cobble

Basalt (Aphanitic Mafic Volcanic Rock)

Quartz Vein in Host Rock (Pebble) (Quartz (SiO2) with sandstone or siltstone matrix) — metamorphic/igneous transition

Quartz Vein in Host Rock (Pebble)

Quartz (SiO2) with sandstone or siltstone matrix

metamorphic/igneous transition

Amethyst (Amethyst (SiO2 - Silicon Dioxide with iron impurities)) — mineral

Amethyst

Amethyst (SiO2 - Silicon Dioxide with iron impurities)

Sandstone (with Iron Staining) (Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)) — sedimentary

Sandstone (with Iron Staining)

Clastic Sedimentary Rock (primarily Quartz with Fe2O3 staining)

Raw Corundum (Sapphire/Ruby variant) (Aluminum oxide (Al2O3)) — mineral

Raw Corundum (Sapphire/Ruby variant)

Aluminum oxide (Al2O3)

Granite (Phaneritic plutonic rock (dominated by Quartz, Feldspar, and Mica)) — igneous

Granite

Phaneritic plutonic rock (dominated by Quartz, Feldspar, and Mica)

Quartz (Milky or Cloudy Quartz) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky or Cloudy Quartz)

Silicon Dioxide (SiO2)

Black Onyx (Silicon Dioxide (SiO2)) — mineral

Black Onyx

Silicon Dioxide (SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Iron-stained Milky Quartz (Silicon Dioxide (SiO2) with iron oxide inclusions) — mineral

Iron-stained Milky Quartz

Silicon Dioxide (SiO2) with iron oxide inclusions

Banded Gneiss (Gneiss (typically quartz, feldspar, mica, amphibole composition)) — metamorphic

Banded Gneiss

Gneiss (typically quartz, feldspar, mica, amphibole composition)

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

Turquoise

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

Granite / Quartz Vein Rock (Granitoid with Quartz (SiO2)) — igneous

Granite / Quartz Vein Rock

Granitoid with Quartz (SiO2)

Shale or Siltstone (Sedimentary Rock (Siliciclastic)) — sedimentary

Shale or Siltstone

Sedimentary Rock (Siliciclastic)

Ferruginous Slag (Iron Smelting Byproduct) (Anthropogenic Vitreous Silicate (often containing Fayalite: Fe2SiO4)) — Mineraloid/Anthropogenic (Technofossil)

Ferruginous Slag (Iron Smelting Byproduct)

Anthropogenic Vitreous Silicate (often containing Fayalite: Fe2SiO4)

Mineraloid/Anthropogenic (Technofossil)

Milky Quartz (Quartz (Silicon Dioxide, SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide, SiO2)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Quartz (Milky/Smoky variety on matrix) (Silicon Dioxide (SiO2)) — mineral

Quartz (Milky/Smoky variety on matrix)

Silicon Dioxide (SiO2)

Pyrite in Shale (Iron Disulfide (FeS2)) — mineral

Pyrite in Shale

Iron Disulfide (FeS2)

Pearl (nacre) (Calcium Carbonate (mostly CaCO3 as Aragonite) and Conchiolin) — Organic Mineraloid

Pearl (nacre)

Calcium Carbonate (mostly CaCO3 as Aragonite) and Conchiolin

Organic Mineraloid

Sandstone (Arenite (SiO2 based)) — sedimentary

Sandstone

Arenite (SiO2 based)

Sandstone (Quartzite Pebble) (Arenite (SiO2)) — sedimentary

Sandstone (Quartzite Pebble)

Arenite (SiO2)

Milky Quartz (Quartz (Silicon Dioxide - SiO2)) — mineral

Milky Quartz

Quartz (Silicon Dioxide - SiO2)

Sandstone (Arenite (primarily Quartz, SiO2)) — sedimentary

Sandstone

Arenite (primarily Quartz, SiO2)

Milky Quartz (Silicon Dioxide (SiO2)) — mineral

Milky Quartz

Silicon Dioxide (SiO2)

Asphalt / Bituminous Aggregate (Bituminous mixture (Hydrocarbon-based sediment)) — sedimentary

Asphalt / Bituminous Aggregate

Bituminous mixture (Hydrocarbon-based sediment)

Mixed collection of Quartz varieties, Chalcedony, and metamorphic pebbles (Mixed gemstones (primarily Silicon Dioxide - SiO2)) — mineral

Mixed collection of Quartz varieties, Chalcedony, and metamorphic pebbles

Mixed gemstones (primarily Silicon Dioxide - SiO2)