Kimberlite
Kimberlite
igneous
Category
Industrial Byproduct
Browse industrial byproduct specimens identified by the Rock Identifier community.
Diamond (or Diamond Simulant)
Carbon (C)
mineral
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)
mineral
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
mineral
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Digital Multimeter (Synthetic Object)
Digital Multimeter (DMM)
not a rock
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
mineral
Granitic Pegmatite with Schorl
Granitic Pegmatite (NaAlSi3O8, KAlSi3O8, SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
igneous
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
not a rock (Man-made industrial metal)
Portable Ceramic Space Heater
Polished Acrylonitrile Butadiene Styrene (ABS) Plastic with Ceramic Heating Elements
not a rock (synthetic/industrial object)
Diamond
Native Carbon (C)
mineral
Textile (Upholstery Fabric)
Woven Polyethylene/Polyester or Cotton Blend
Synthetic or Natural Fiber
Red Quartz (Druzy)
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
Synthetic Costume Glove (Paws)
Polyethylene terephthalate (Polyester) & Polyurethane blend
Non-geological / Man-made textile
Sandstone with Iron Concretion
Arenite with Limonite/Goethite Concretion
sedimentary
Note: Item is not a geological specimen
Polyester mesh and Ethylene-vinyl acetate (EVA) polymer
Synthetic / Anthropogenic Material
Synthetic Sapphire and Ion-X Glass
Single-crystal Alumina (Al2O3) and Ion-strengthened Aluminosilicate Glass
mineral
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Non-geological / Synthetic
Bicolor Quartz (Milk Quartz with Slag or Dark Inclusions)
Silicon Dioxide (SiO2) with impurities
mineral
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
Man-made earbud charging case (Not a rock or mineral)
Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components
Synthetic/Man-made object
Diamond (or Lab-Grown Cubic Zirconia)
Carbon (C)
mineral
Synthetic Convention Badge (Plastic/PVC)
Polyvinyl Chloride (PVC) / Polycarbonate
mineraloid (synthetic)
Cupronickel Coin
Copper-Nickel Alloy (typically 75% Cu, 25% Ni)
anthropic metallic specimen
River Pebble (Quartzite/Chert)
Quartzite with inclusions (SiO2)
metamorphic
Red Garnet
Almandine Garnet (Fe3Al2(SiO4)3)
mineral
Silicon
Silicon (Si)
mineral
Rough Diamond
Diamond (pure Carbon, C)
mineral
Ironstone (Limonitic Shale)
Ferruginous Siltstone / Goethite-rich Sedimentary Rock
sedimentary
Opalite
Man-made glass (traditionally simulated Opal)
mineral
Diamond (or Cubic Zirconia)
Carbon (C) / Cubic Zirconium Dioxide (ZrO2)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Sand Grain (Silica/Quartz Grain)
Silicon Dioxide (SiO2)
sedimentary
Anthracite Coal
Anthracite (Carbon-rich metamorphic rock)
metamorphic
Coal
Bituminous or Anthracite coal (carbon-rich sedimentary rock)
sedimentary
Quartz Vein with Host Rock (Greywacke/Siltstone)
Silicon Dioxide (SiO2) within Clastic Sedimentary/Metamorphic Matrix
metamorphic
Silver (Native Silver Mineral)
Ag (Native Silver), Alloyed 90% Ag / 10% Cu
mineral
Basalt (River Stone)
Basalt
igneous
Diamond (or Cubic Zirconia simulant)
Carbon (C) or Zirconium Dioxide (ZrO2)
mineral
Rough Diamond
Diamond (Native Carbon, C)
mineral
Limonite (Ironstone Concretion)
Limonite (Hydrous ferric oxide mixture, FeO(OH)·nH2O)
sedimentary