Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
mineral
Category
Industrial Byproduct
Browse industrial byproduct specimens identified by the Rock Identifier community.
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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)
Silicon
Element Si
mineral
Textile (Upholstery Fabric)
Woven Polyethylene/Polyester or Cotton Blend
Synthetic or Natural Fiber
Diamond
Native Carbon (C)
mineral
Red Quartz (Druzy)
Silicon Dioxide (SiO2) with Hematite inclusions
mineral
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
Diamond
C (Native Carbon)
mineral
Sandstone with Iron Concretion
Arenite with Limonite/Goethite Concretion
sedimentary
Limonite (Iron Ore)
Hydrated ferric oxide mixture (FeO(OH)·nH2O)
sedimentary
Synthetic Costume Glove (Paws)
Polyethylene terephthalate (Polyester) & Polyurethane blend
Non-geological / Man-made textile
Rough Diamond
Diamond (C)
mineral
Quartz Sand Gravel
Silicon Dioxide (SiO2)
sedimentary
Man-made Synthetic Material (Plastic/Composite)
Acrylonitrile Butadiene Styrene (ABS) or High-Impact Polystyrene (HIPS)
Non-geological / Synthetic
Silicon (Industrial Grade)
Elemental Silicon (Si)
mineral
Faceted Clear Gemstone (Likely Quartz or Cubic Zirconia)
Silicon Dioxide (SiO2) or Zirconium Dioxide (ZrO2)
gemstone
Diamond (or Diamond Simulant)
Carbon (C) or Zirconium dioxide (ZrO2) for CZ
gemstone
River Pebble (Quartzite/Chert)
Quartzite with inclusions (SiO2)
metamorphic
Synthetic Convention Badge (Plastic/PVC)
Polyvinyl Chloride (PVC) / Polycarbonate
mineraloid (synthetic)
Cupronickel Coin
Copper-Nickel Alloy (typically 75% Cu, 25% Ni)
anthropic metallic specimen
Diamond (or Lab-Grown Cubic Zirconia)
Carbon (C)
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
Bicolor Quartz (Milk Quartz with Slag or Dark Inclusions)
Silicon Dioxide (SiO2) with impurities
mineral
Silicon
Silicon (Si)
mineral
Diamond (likely facet or crystal shard)
Diamond (C)
mineral
Ironstone (Limonitic Shale)
Ferruginous Siltstone / Goethite-rich Sedimentary Rock
sedimentary
Red Garnet
Almandine Garnet (Fe3Al2(SiO4)3)
mineral
Rough Diamond
Diamond (pure Carbon, C)
mineral
Diamond (or Cubic Zirconia)
Carbon (C) / Cubic Zirconium Dioxide (ZrO2)
mineral
Garnet
Almandine (Fe3Al2(SiO4)3)
mineral
Hematite or Goethite-rich Ironstone
Ironstone (Oxidized Iron Ore)
sedimentary
Gravel or Crushed Stone
Fragmented Aggregate Stone
sedimentary or igneous fragment
Anthracite Coal
Anthracite (Carbon-rich metamorphic rock)
metamorphic
Opalite
Man-made glass (traditionally simulated Opal)
mineral