Rock Identifier

Category

Anthropogenic (Man Made Industrial Deposit)

Browse anthropogenic (man made industrial deposit) specimens identified by the Rock Identifier community.

Rose Quartz (Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese) — mineral

Rose Quartz

Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese

Jasper (Agate/Jasper (Microcrystalline Quartz, SiO2)) — sedimentary

Jasper

Agate/Jasper (Microcrystalline Quartz, SiO2)

Diamond (Diamond (Pure Carbon, C)) — mineral

Diamond

Diamond (Pure Carbon, C)

Rose Quartz (Silicon Dioxide (SiO2)) — mineral

Rose Quartz

Silicon Dioxide (SiO2)

Olivine (Peridot) (Magnesium Iron Silicate ((Mg, Fe)2SiO4)) — mineral

Olivine (Peridot)

Magnesium Iron Silicate ((Mg, Fe)2SiO4)

Quartzite with Quartz Veining (Quartzite (consisting primarily of SiO2)) — metamorphic

Quartzite with Quartz Veining

Quartzite (consisting primarily of SiO2)

Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

Green Quartzite (Aventurine-like) (Quartzite (primarily SiO2 with chromium-rich mica or chlorite inclusions)) — metamorphic

Green Quartzite (Aventurine-like)

Quartzite (primarily SiO2 with chromium-rich mica or chlorite inclusions)

Green Fluorite (likely synthetic or heat-treated for jewelry) (Calcium Fluoride (CaF2)) — mineral

Green Fluorite (likely synthetic or heat-treated for jewelry)

Calcium Fluoride (CaF2)

Blue Calcite (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite

Calcium Carbonate (CaCO3)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Satin Spar (commonly sold as Selenite) (Hydrous Calcium Sulfate (CaSO4·2H2O)) — mineral

Satin Spar (commonly sold as Selenite)

Hydrous Calcium Sulfate (CaSO4·2H2O)

Yellow Calcite (Calcium Carbonate (CaCO3)) — Mineral

Yellow Calcite

Calcium Carbonate (CaCO3)

Milky Quartz (Gold-bearing Prospecting Specimen) (Silicon Dioxide (SiO2)) — mineral

Milky Quartz (Gold-bearing Prospecting Specimen)

Silicon Dioxide (SiO2)

Diamond (Native Carbon (C)) — mineral

Diamond

Native Carbon (C)

Chalcedony (Moonstone variant or White Agate) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Moonstone variant or White Agate)

Silicon Dioxide (SiO₂)

Diamond (Diamond (pure Carbon, C)) — mineral

Diamond

Diamond (pure Carbon, C)

Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

Quartzite (Quartzite (composed primarily of SiO2)) — metamorphic

Quartzite

Quartzite (composed primarily of SiO2)

River Siltstone / Mudstone Pebble (Siltstone (composed of mixed silicate and carbonate minerals)) — sedimentary

River Siltstone / Mudstone Pebble

Siltstone (composed of mixed silicate and carbonate minerals)

Blue Sapphire (Corundum (Al2O3 with trace amounts of iron and titanium)) — mineral

Blue Sapphire

Corundum (Al2O3 with trace amounts of iron and titanium)

Rough Diamond (Diamond (pure carbon / C)) — mineral

Rough Diamond

Diamond (pure carbon / C)

Agate (Common Chalcedony) (Silicon Dioxide (SiO2)) — mineral

Agate (Common Chalcedony)

Silicon Dioxide (SiO2)

Orange Calcite (Carved as a Horned Skull) (Calcium Carbonate (CaCO3)) — mineral

Orange Calcite (Carved as a Horned Skull)

Calcium Carbonate (CaCO3)

Raw Emerald (Beryl (Be3Al2(SiO3)6) with Cr/V impurities) — mineral

Raw Emerald

Beryl (Be3Al2(SiO3)6) with Cr/V impurities

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

Quartz Pebble

Quartz (Silicon Dioxide, SiO2)

Sapphire (Corundum (Al2O3)) — mineral

Sapphire

Corundum (Al2O3)

Rough Topaz (Aluminum silicate fluoride hydroxide [Al2SiO4(F, OH)2]) — mineral

Rough Topaz

Aluminum silicate fluoride hydroxide [Al2SiO4(F, OH)2]

Ruby (Corundum) (Corundum (Aluminum Oxide with Chromium), Al2O3:Cr) — mineral

Ruby (Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

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

Rough Diamond

Diamond (pure Carbon, C)

Anthracite Coal (Anthracite (Carbon-rich metamorphic coal)) — sedimentary

Anthracite Coal

Anthracite (Carbon-rich metamorphic coal)

Chalk (Calcium Carbonate (CaCO3)) — sedimentary

Chalk

Calcium Carbonate (CaCO3)

Ruby (Corundum) (Corundum (Aluminum Oxide) with chromium trace elements, Al2O3) — mineral

Ruby (Corundum)

Corundum (Aluminum Oxide) with chromium trace elements, Al2O3

Milky Quartz Pebble (Crystalline Silicon Dioxide (SiO2)) — mineral

Milky Quartz Pebble

Crystalline Silicon Dioxide (SiO2)

Chert / Flint Nodule (Silicon Dioxide (SiO2) - Microcrystalline Quartz) — sedimentary

Chert / Flint Nodule

Silicon Dioxide (SiO2) - Microcrystalline Quartz

Dyed Magnesite (often sold as Red Turquoise or Howlite) (Magnesium Carbonate (MgCO3)) — mineral

Dyed Magnesite (often sold as Red Turquoise or Howlite)

Magnesium Carbonate (MgCO3)

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Blue Sapphire (Corundum (Al2O3)) — mineral

Blue Sapphire

Corundum (Al2O3)

Green Calcite (Calcium Carbonate (CaCO3)) — mineral

Green Calcite

Calcium Carbonate (CaCO3)

Raw Diamond (Diamond (C)) — mineral

Raw Diamond

Diamond (C)