Smoky Quartz
Silicon dioxide with aluminum impurities (SiO2)
mineral
Category
Mineraloid (Synthetic)
Browse mineraloid (synthetic) specimens identified by the Rock Identifier community.
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Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Synthetic Zinc/Polycarbonate Composite (Bey-specimen)
Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay
Anthropogenic Mineral Mimic
Green Fluorite (likely synthetic or heat-treated for jewelry)
Calcium Fluoride (CaF2)
mineral
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Synthetic (glass)
Diamond
Carbon (C)
gemstone
Diamond (Heart Cut)
Carbon (C)
gemstone
Sapphire
Corundum (Al2O3)
mineral
Turquoise cabochon jewelry
Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O
gemstone
Blue Topaz (specifically London Blue or Swiss Blue based on color saturation)
Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Raw Topaz
Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2
mineral
Lapis Lazuli
Lapis Lazuli (a rock composed primarily of Lazurite, Sodalite, Calcite, and Pyrite)
Mineral
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)
Synthetic Wolf Plush (Non-mineral)
Canis lupus similis (Prop material: Polyester & Synthetic fibers)
Synthetic material/Textile
Blue Goldstone
Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)
man-made glass
Mahogany Obsidian Arrowhead
Volcanic Glass with Hematite/Magnetite inclusions (Amorphous Silicon Dioxide)
igneous
Anthracite Coal
Anthracite (Carbon-based organic sedimentary rock transitioned to metamorphic)
metamorphic
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Rough Emerald (Beryl)
Emerald (Be3Al2(SiO3)6 with Cr/V impurities)
mineral
Ruby
Corundum (Al2O3)
mineral
Dyed Agate
Agate (Cryptocrystalline Quartz), SiO2
Mineral
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Mineral (Man-made glass)
Red Sandstone
Clastic Sedimentary Mineraloid (predominantly Quartz grains with Iron Oxide cement)
sedimentary
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)
mineral (synthetic)
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Sedimentary (Synthetic)
Diamond (faceted)
Diamond (Pure Carbon, C)
mineral
Cubic Zirconia (CZ)
Cubic Zirconium Dioxide (ZrO2)
mineral (synthetic)
Cubic Zirconia (CZ)
Cubic Zirconium Dioxide (ZrO2)
mineral (synthetic)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral (synthetic)
Pink Cubic Zirconia (CZ)
Zirconium Dioxide (ZrO2)
mineral (synthetic)
Amber
Amber (Fossilized Tree Resin)
Mineral
Amber
Succinite (fossilized tree resin)
Organic Mineraloid
Amber
Succinate (Succinite for Baltic varieties)
Organic Mineraloid
Amber
Succinite (C10H16O)
Mineraloid (Organic)
Jade (likely Jadeite or Nephrite)
Jadeite (NaAlSi2O6) or Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2)
Mineral/Mineraloid
Jade
Jadeite or Nephrite
Mineral/Mineraloid
Amber
Succinite
Organic Mineraloid
Amber
Succinite (with formula approximately C10H16O)
Organic mineraloid
Pearl (Cultured or Natural)
Aragonite (CaCO3) with Conchiolin
Organic Mineraloid
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary (or mineraloid)
Amber
Succinite (Fossilized Tree Resin)
Organic Mineraloid