Rock Identifier

Category

Anthropogenic (Man Made Industrial Deposit)

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

Learn about Anthropogenic (Man Made Industrial Deposit) in the encyclopedia

Opalite

Goldstone

Blue Goldstone

Zincite

Micrite

Rock Gypsum

Carbonatite

Lherzolite

Calderite

Gondite

Henritermierite

Henritermierite

Dunite

Fossil Shark Tooth (Carcharocles or Lamniformes (order)) — fossil

Fossil Shark Tooth

Carcharocles or Lamniformes (order)

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

Pearl (Biogenic Mineraloid)

Calcium carbonate (Aragonite) and Conchiolin, CaCO3

Amber (Succinite (Carbon-based organic compound; approximate formula C10H16O)) — Mineraloid

Amber

Succinite (Carbon-based organic compound; approximate formula C10H16O)

Sandstone (Arenite (SiO2 primarily)) — sedimentary

Sandstone

Arenite (SiO2 primarily)

Nephrite Jade (Nephrite) — Mineral/Rock

Nephrite Jade

Nephrite

Sandstone (Quartzite-rich) (Clastic Sedimentary Rock (primarily SiO2)) — sedimentary

Sandstone (Quartzite-rich)

Clastic Sedimentary Rock (primarily SiO2)

Blue Sapphire (Corundum (Al2O3) with traces of Iron and Titanium) — mineral

Blue Sapphire

Corundum (Al2O3) with traces of Iron and Titanium

Concretion (Sedimentary Concretion) — sedimentary

Concretion

Sedimentary Concretion

Ironstone (Limonitic Concretion) (Limonite (FeO(OH)·nH2O) with Goethite and Hematite inclusions) — sedimentary

Ironstone (Limonitic Concretion)

Limonite (FeO(OH)·nH2O) with Goethite and Hematite inclusions

Chert (Flint) (Microcrystalline Quartz (SiO2)) — sedimentary

Chert (Flint)

Microcrystalline Quartz (SiO2)

Hag Stone (Flint with natural hole) (Silicon Dioxide (SiO2) - Nodular Chert / Flint) — sedimentary

Hag Stone (Flint with natural hole)

Silicon Dioxide (SiO2) - Nodular Chert / Flint

Clear quartz pebble or glass-like quartz specimen (Quartz (silicon dioxide, SiO₂)) — mineral

Clear quartz pebble or glass-like quartz specimen

Quartz (silicon dioxide, SiO₂)

Sandstone (Pebble) (Sandstone (arenite, arkose, wacke depending on composition)) — sedimentary

Sandstone (Pebble)

Sandstone (arenite, arkose, wacke depending on composition)

Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

Limonite Stained Basalt (Hydrated Iron Oxide on Mafic Volcanic Rock (FeO(OH)·nH2O)) — igneous

Limonite Stained Basalt

Hydrated Iron Oxide on Mafic Volcanic Rock (FeO(OH)·nH2O)

Diamond (Carbon (C)) — mineral

Diamond

Carbon (C)

Blue Calcite Sphere (Calcium Carbonate (CaCO3)) — mineral

Blue Calcite Sphere

Calcium Carbonate (CaCO3)

Black Star Diopside (beads) (Diopside (CaMgSi2O6) - a member of the pyroxene group) — Mineral

Black Star Diopside (beads)

Diopside (CaMgSi2O6) - a member of the pyroxene group

Rutilated Quartz (SiO2 with TiO2 inclusions (Quartz with Rutile)) — mineral

Rutilated Quartz

SiO2 with TiO2 inclusions (Quartz with Rutile)

Chert / River Pebble (Microcrystalline Quartz (SiO2)) — sedimentary

Chert / River Pebble

Microcrystalline Quartz (SiO2)

River Pebble (Quartzite/Chert) (Quartzite with inclusions (SiO2)) — metamorphic

River Pebble (Quartzite/Chert)

Quartzite with inclusions (SiO2)

Quartz Pebble (Silicon dioxide (SiO2)) — sedimentary

Quartz Pebble

Silicon dioxide (SiO2)

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

Diamond

Diamond (Pure Carbon, C)

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

Diamond (in jewelry)

Carbon (C)

Green fluorite (likely polished/cut specimen) (Fluorite, calcium fluoride (CaF₂)) — mineral

Green fluorite (likely polished/cut specimen)

Fluorite, calcium fluoride (CaF₂)

Leopard Skin Jasper (Chalcedony (cryptocrystalline Quartz)) — Mineral

Leopard Skin Jasper

Chalcedony (cryptocrystalline Quartz)

White Sapphire (Corundum (Al2O3)) — mineral

White Sapphire

Corundum (Al2O3)

Raw galena specimen (Galena (lead sulfide, PbS)) — mineral

Raw galena specimen

Galena (lead sulfide, PbS)

Aquamarine (Aquamarine (Beryl variety); Be3Al2Si6O18) — mineral

Aquamarine

Aquamarine (Beryl variety); Be3Al2Si6O18

Chert (Iron-stained) (Microcrystalline or cryptocrystalline Quartz (SiO2)) — sedimentary

Chert (Iron-stained)

Microcrystalline or cryptocrystalline Quartz (SiO2)

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

Diamond

Diamond (pure Carbon, C)

Iron Ore (Limonite and Hematite) (Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)) — mineral

Iron Ore (Limonite and Hematite)

Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)

Quartz Sand Gravel (Silicon Dioxide (SiO2)) — sedimentary

Quartz Sand Gravel

Silicon Dioxide (SiO2)

Banded Agate (Silicon dioxide (SiO2) - variety of Chalcedony) — sedimentary

Banded Agate

Silicon dioxide (SiO2) - variety of Chalcedony

Ruby (Corundum (Al2O3 with chromium impurities)) — mineral

Ruby

Corundum (Al2O3 with chromium impurities)

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

Milky Quartz

Crystalline Silicon Dioxide (SiO2)

Diamond (C) — gemstone

Diamond

C

Dyed Agate Slice (Silicon Dioxide (SiO2) with artificial colorants) — Mineral (variety of Chalcedony)

Dyed Agate Slice

Silicon Dioxide (SiO2) with artificial colorants

Mineral (variety of Chalcedony)

Coal (Carbonaceous sedimentary rock / Lignite to Bituminous coal) — sedimentary

Coal

Carbonaceous sedimentary rock / Lignite to Bituminous coal

Limonite (Iron Ore) (Limonite (̑FeO(OH)·nH₂O)) — sedimentary

Limonite (Iron Ore)

Limonite (̑FeO(OH)·nH₂O)

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

Emerald in Matrix

Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities

Silver Nugget (Native Silver (Ag)) — mineral

Silver Nugget

Native Silver (Ag)