Rock Identifier

Category

Industrial Byproduct (Anthropogenic Material)

Browse industrial byproduct (anthropogenic material) specimens identified by the Rock Identifier community.

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

Quartz / Milky Quartz

Silicon Dioxide (SiO2)

mineral
Sandstone (River Cobble) (Arenite) — sedimentary

Sandstone (River Cobble)

Arenite

sedimentary
Pink Dyed Agate (Banded Chalcedony) (Silicon dioxide (SiO2) - variety Chalcedony) — mineral

Pink Dyed Agate (Banded Chalcedony)

Silicon dioxide (SiO2) - variety Chalcedony

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

Ruby (Corundum)

Corundum (Aluminum Oxide with Chromium), Al2O3:Cr

mineral
Quartz (Iron-stained or Rose variant) (Silicon Dioxide (SiO2)) — mineral

Quartz (Iron-stained or Rose variant)

Silicon Dioxide (SiO2)

mineral
Agate (Silicon Dioxide (SiO2)) — mineral

Agate

Silicon Dioxide (SiO2)

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

mineral
Green Tourmaline (Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4) — mineral

Green Tourmaline

Elbaite - Na(Li1.5Al1.5)Al6Si6O18(BO3)3(OH)4

mineral
Hematite (Hematite (Fe2O3)) — mineral

Hematite

Hematite (Fe2O3)

mineral
Orange Quartz (Citrine Quartz) (Silicon Dioxide (SiO2)) — mineral

Orange Quartz (Citrine Quartz)

Silicon Dioxide (SiO2)

mineral
Red Shale (Lutite (primarily composed of Hydrous Aluminum Silicates with Hematite staining)) — sedimentary

Red Shale

Lutite (primarily composed of Hydrous Aluminum Silicates with Hematite staining)

sedimentary
Native Copper (Penny specimen) (Native Copper (Cu)) — mineral

Native Copper (Penny specimen)

Native Copper (Cu)

mineral
Cubic Zirconia (CZ) (Cubic Zirconium Dioxide (ZrO2)) — mineral (synthetic)

Cubic Zirconia (CZ)

Cubic Zirconium Dioxide (ZrO2)

mineral (synthetic)
Gold-bearing Quartz (Auriferous Quartz (SiO2 with Native Gold inclusion)) — mineral

Gold-bearing Quartz

Auriferous Quartz (SiO2 with Native Gold inclusion)

mineral
Diamond in Gold Setting (Diamond (C - pure carbon)) — mineral

Diamond in Gold Setting

Diamond (C - pure carbon)

mineral
Agate (River Pea) (Microcrystalline Chalcedony (SiO2)) — sedimentary

Agate (River Pea)

Microcrystalline Chalcedony (SiO2)

sedimentary
Basalt (Mafic Igneous Rock) — igneous

Basalt

Mafic Igneous Rock

igneous
Jasper and Agate (Microcrystalline Quartz (SiO2)) — sedimentary

Jasper and Agate

Microcrystalline Quartz (SiO2)

sedimentary
Chert (specifically Jasper/Brown Chert) (Silicon Dioxide (SiO2)) — sedimentary

Chert (specifically Jasper/Brown Chert)

Silicon Dioxide (SiO2)

sedimentary
Quartzite (Quartzite (SiO2)) — metamorphic

Quartzite

Quartzite (SiO2)

metamorphic
Citrine Quartz (Crystalline Quartz (SiO2 with iron impurities)) — mineral

Citrine Quartz

Crystalline Quartz (SiO2 with iron impurities)

mineral
Banded Chert (Flint/Jasper variety) (Microcrystalline Quartz (SiO2)) — sedimentary

Banded Chert (Flint/Jasper variety)

Microcrystalline Quartz (SiO2)

sedimentary
Chert (Jasper) (Silicon Dioxide (SiO2)) — sedimentary

Chert (Jasper)

Silicon Dioxide (SiO2)

sedimentary
Quartzite with Quartz Vein (Metamorphosed sandstone (SiO2)) — metamorphic

Quartzite with Quartz Vein

Metamorphosed sandstone (SiO2)

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

Blue Calcite

Calcium Carbonate (CaCO3)

mineral
Ferruginous Quartz (River Pebble) (Silicon Dioxide (SiO2) with Iron Oxide inclusions) — sedimentary (secondary classification for a weathered mineral specimen)

Ferruginous Quartz (River Pebble)

Silicon Dioxide (SiO2) with Iron Oxide inclusions

sedimentary (secondary classification for a weathered mineral specimen)
Granitic Pegmatite (Muscovite and Quartz) (Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)) — igneous

Granitic Pegmatite (Muscovite and Quartz)

Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)

igneous
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Mica Schist (Mica Schist) — metamorphic

Mica Schist

Mica Schist

metamorphic
Basalt (Basalt (containing Pyroxene, Plagioclase feldspar, and Olivine)) — igneous

Basalt

Basalt (containing Pyroxene, Plagioclase feldspar, and Olivine)

igneous
River Pebble (likely Quartzite or Chert) (Silicon Dioxide (SiO2) crystal conglomerate) — sedimentary or metamorphic

River Pebble (likely Quartzite or Chert)

Silicon Dioxide (SiO2) crystal conglomerate

sedimentary or metamorphic
Almandine Garnet (Almandine (Fe3Al2Si3O12)) — mineral

Almandine Garnet

Almandine (Fe3Al2Si3O12)

mineral
Quartzite (Quartzite (primarily SiO2)) — metamorphic

Quartzite

Quartzite (primarily SiO2)

metamorphic
Quartz (Tumbled/Polished Pebble) (Silicon Dioxide (SiO2)) — mineral

Quartz (Tumbled/Polished Pebble)

Silicon Dioxide (SiO2)

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

Yellow Diamond

Diamond (Carbon, C)

mineral
White Topaz (Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2) — mineral

White Topaz

Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2

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

Quartz Pebble

Silicon Dioxide (SiO2)

mineral
Aquamarine (Beryl (Be3Al2Si6O18)) — mineral

Aquamarine

Beryl (Be3Al2Si6O18)

mineral
Chalcedony (Common Opal or Agate variant) (Silicon Dioxide (SiO₂)) — mineral

Chalcedony (Common Opal or Agate variant)

Silicon Dioxide (SiO₂)

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

Amethyst

Silicon Dioxide (SiO2) with iron impurities

mineral
Cubic Zirconia (CZ) (Zirconium dioxide (ZrO2)) — mineral

Cubic Zirconia (CZ)

Zirconium dioxide (ZrO2)

mineral
Kyanite in Quartz (Kyanite (Al2SiO5) with Quartz (SiO2)) — metamorphic

Kyanite in Quartz

Kyanite (Al2SiO5) with Quartz (SiO2)

metamorphic