Rock Identifier

Category

Industrial Byproduct

Browse industrial byproduct specimens identified by the Rock Identifier community.

Learn about Industrial Byproduct in the encyclopedia

Adirondack Garnet

Adirondack Garnet

Almandine Garnet

Almandine Garnet

Tripolite

Diatomaceous Earth

Synthetic Sapphire and Ion-X Glass (Single-crystal Alumina (Al2O3) and Ion-strengthened Aluminosilicate Glass) — mineral

Synthetic Sapphire and Ion-X Glass

Single-crystal Alumina (Al2O3) and Ion-strengthened Aluminosilicate Glass

Star sapphire ring (Corundum (Al₂O₃), likely asteriated sapphire) — gemstone

Star sapphire ring

Corundum (Al₂O₃), likely asteriated sapphire

Quartzite (Quartzite) — metamorphic

Quartzite

Quartzite

Quartz pebble (Silicon dioxide (SiO2)) — mineral

Quartz pebble

Silicon dioxide (SiO2)

Quartz (Gravel Fragment) (Silicon Dioxide (SiO2)) — mineral

Quartz (Gravel Fragment)

Silicon Dioxide (SiO2)

Silicon (Silicon (Si)) — mineral

Silicon

Silicon (Si)

Yellow Sapphire (Corundum (Al2O3:Fe)) — gemstone

Yellow Sapphire

Corundum (Al2O3:Fe)

Smoky quartz (likely) (Quartz, silicon dioxide (SiO₂)) — mineral

Smoky quartz (likely)

Quartz, silicon dioxide (SiO₂)

Red Quartz (Druzy) (Silicon Dioxide (SiO2) with Hematite inclusions) — mineral

Red Quartz (Druzy)

Silicon Dioxide (SiO2) with Hematite inclusions

Diamond (C (Native Carbon)) — mineral

Diamond

C (Native Carbon)

Sandstone with Iron Concretion (Arenite with Limonite/Goethite Concretion) — sedimentary

Sandstone with Iron Concretion

Arenite with Limonite/Goethite Concretion

Limonite (Iron Ore) (Hydrated ferric oxide mixture (FeO(OH)·nH2O)) — sedimentary

Limonite (Iron Ore)

Hydrated ferric oxide mixture (FeO(OH)·nH2O)

Clear quartz crystal (Quartz (silicon dioxide, SiO₂)) — mineral

Clear quartz crystal

Quartz (silicon dioxide, SiO₂)

Quartz cluster (likely milky quartz) (Quartz, silicon dioxide (SiO₂), trigonal crystal system) — mineral

Quartz cluster (likely milky quartz)

Quartz, silicon dioxide (SiO₂), trigonal crystal system

Opalite-style glass pendant (Man-made opalescent glass (not natural opal)) — mineral

Opalite-style glass pendant

Man-made opalescent glass (not natural opal)

Ruby (mounted cabochon) (Corundum, Al₂O₃; red color typically from chromium) — gemstone

Ruby (mounted cabochon)

Corundum, Al₂O₃; red color typically from chromium

Diamond (or Diamond Simulant) (Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia ZrO2)) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) if diamond, various if simulant (e.g., Cubic Zirconia ZrO2)

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

Coal

Carbonaceous sedimentary rock / Lignite to Bituminous coal

Coal (Biogenic sedimentary rock (Carbon)) — sedimentary

Coal

Biogenic sedimentary rock (Carbon)

Agate (Silicon Dioxide (Chalcedony), SiO2) — sedimentary

Agate

Silicon Dioxide (Chalcedony), SiO2

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

Quartz (Iron-stained)

Silicon Dioxide (SiO2)

N/A - Image is non-geological (Acrylonitrile Butadiene Styrene (ABS) or Polypropylene (PP)) — Synthetic material (Plastic/Polymer)

N/A - Image is non-geological

Acrylonitrile Butadiene Styrene (ABS) or Polypropylene (PP)

Synthetic material (Plastic/Polymer)

Synthetic Costume Accessory (Non-Geological) (Polyester and Acrylic Fiber (Anthropogenic polymer)) — Synthetic / Man-made textile

Synthetic Costume Accessory (Non-Geological)

Polyester and Acrylic Fiber (Anthropogenic polymer)

Synthetic / Man-made textile

Man-made earbud charging case (Not a rock or mineral) (Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components) — Synthetic/Man-made object

Man-made earbud charging case (Not a rock or mineral)

Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components

Synthetic/Man-made object

Rough Diamond (Diamond (C)) — mineral

Rough Diamond

Diamond (C)

Man-made Synthetic Material (Plastic/Composite) (Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)) — Non-geological / Synthetic

Man-made Synthetic Material (Plastic/Composite)

Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)

Non-geological / Synthetic

Synthetic Convention Badge (Plastic/PVC) (Polyvinyl Chloride (PVC) / Polycarbonate) — mineraloid (synthetic)

Synthetic Convention Badge (Plastic/PVC)

Polyvinyl Chloride (PVC) / Polycarbonate

mineraloid (synthetic)

Cupronickel Coin (Copper-Nickel Alloy (typically 75% Cu, 25% Ni)) — anthropic metallic specimen

Cupronickel Coin

Copper-Nickel Alloy (typically 75% Cu, 25% Ni)

anthropic metallic specimen

Cut red gemstone, likely ruby (Ruby, gem-quality corundum (Al₂O₃) colored by chromium) — gemstone

Cut red gemstone, likely ruby

Ruby, gem-quality corundum (Al₂O₃) colored by chromium

Bicolor Quartz (Milk Quartz with Slag or Dark Inclusions) (Silicon Dioxide (SiO2) with impurities) — mineral

Bicolor Quartz (Milk Quartz with Slag or Dark Inclusions)

Silicon Dioxide (SiO2) with impurities

Diamond (likely facet or crystal shard) (Diamond (C)) — mineral

Diamond (likely facet or crystal shard)

Diamond (C)

Anthracite Coal (Anthracite) — sedimentary

Anthracite Coal

Anthracite

Kaolin (China Clay) (Kaolinite [Al2Si2O5(OH)4]) — sedimentary

Kaolin (China Clay)

Kaolinite [Al2Si2O5(OH)4]

Hematite or Goethite-rich Ironstone (Ironstone (Oxidized Iron Ore)) — sedimentary

Hematite or Goethite-rich Ironstone

Ironstone (Oxidized Iron Ore)

Diamond-set earring (Diamond (carbon, C); crystal structure: cubic) — gemstone

Diamond-set earring

Diamond (carbon, C); crystal structure: cubic

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

Chert / Jasper

Silicon Dioxide (SiO2)

Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia) (Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)) — gemstone

Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia)

Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)

Diamond (or Diamond Simulant) (Carbon (C) or Zirconium dioxide (ZrO2) for CZ) — gemstone

Diamond (or Diamond Simulant)

Carbon (C) or Zirconium dioxide (ZrO2) for CZ

Diamond (or Simulant) (Carbon (C) or Cubic Zirconia (ZrO2)) — gemstone

Diamond (or Simulant)

Carbon (C) or Cubic Zirconia (ZrO2)

Diamond (C) — gemstone

Diamond

C

Silver Nugget (Native Silver (Ag)) — mineral

Silver Nugget

Native Silver (Ag)

Coal (Combustible sedimentary rock) — sedimentary

Coal

Combustible sedimentary rock