Opalite
Synthetic glass (SiO2 + metal additions)
mineraloid
Category
Mineral (Synthetic Paper And Ink Polymorph)
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Learn about Mineral (Synthetic Paper And Ink Polymorph) in the encyclopedia
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Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz (faceted) / Diamond Simulant
Silicon Dioxide (SiO2) / Cubic Zirconia (ZrO2)
gemstone
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Ruby
Corundum (Al2O3 with Chromium trace)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Diamond (Faceted Gemstone)
Native Carbon (C)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Chalcanthite
Copper(II) sulfate pentahydrate (CuSO4·5H2O)
mineral
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
man-made composite (lithified equivalent of sedimentary)
Opalite
Synthetic Opalite (Man-made glass)
mineral
Pink Dyed Agate
Silicon Dioxide (SiO2) with synthetic pigment
mineral
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with synthetic dye
mineral
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Dyed Agate
Silicon Dioxide (SiO2) with synthetic dyes
mineral
Dyed Agate Geode
Silicon Dioxide (SiO2) with artificial pigment
mineral
Amber
Succinite (fossilized resin)
mineral
Shungite
Shungite (carbon-rich Precambrian rock)
mineral
Anthracite coal
Anthracite; predominantly carbon (C), with minor mineral ash
metamorphic
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
mineral
Amethyst (Tumbled)
Silicon Dioxide (SiO2) with Fe3+ impurities
mineral
Diamond (or Cubic Zirconia simulant)
Carbon (C) - Diamond / Zirconium dioxide (ZrO2) - CZ
mineral
Red Sandstone
Arenite (Ferruginous Sandstone)
sedimentary
Amethyst (Resin Carving/Orgonite)
Silicon Dioxide (SiO2) with iron impurities
mineral
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
mineral
Dyed Agate
Chalcedony (SiO2)
mineral
Amber
Succinite (Formula: C10H16O)
mineral
Chipped Glass/Plastic Fragment
Silicon dioxide (SiO2) for glass (amorphous) or various polymer compounds for plastic
Man-made material (simulant/artifact)
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Anthropogenic Heat Source (Electronic/Industrial Interface)
Thermal IR emission (Electronic infrastructure)
not a rock or mineral
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Pyrite in Matrix (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Ruby (Corundum)
Corundum (Aluminum Oxide with Chromium), Al2O3:Cr
mineral
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
mineral
Smoky Quartz
SiO2 (Silicon Dioxide)
mineral
Mica (Biotite or Phlogopite variety)
Phyllosilicate (complex mineral formula involving K, Mg, Fe, Al, Si, and O)
mineral
Kyanite
Kyanite (Al2SiO5)
Mineral