Red Quartzite (River Pebble)
Quartzite (primarily Silicon Dioxide - SiO2)
Category
Browse synthetic (ceramic) specimens identified by the Rock Identifier community.
Red Quartzite (River Pebble)
Quartzite (primarily Silicon Dioxide - SiO2)
Clay Brick
Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)
Hematite
Iron(III) oxide (Fe2O3)
White Quartz
Silicon Dioxide (SiO2)
Kyanite (Green and Blue varieties)
Kyanite (Al2SiO5)
Hematite
Iron(III) oxide (Fe2O3)
White Sapphire
Corundum (Al2O3)
White Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Lapis Lazuli
Lazurite-rich metamorphic rock (approx. Na6Ca2(Al6Si6O24)(S,SO4,Cl)1,2)
Man-made Green Quartz (Lab-grown or Treated)
Silicon Dioxide (SiO2) with artificial coloration
Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)
Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)
Ruby
Corundum (Al2O3 with Chromium traces)
Blue Sapphire
Corundum (Al2O3)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Smoky Quartz
Silicon Dioxide (SiO2)
Green Glass (often marketed as 'Obsidian' or 'Green Quartz')
Amorphous Silica (SiO2) with copper or chromium additives
Cultured Marble (Synthetic)
Polymer-matrix composite (typically calcium carbonate in polyester resin)
Staurolite (Fairy Stone)
Staurolite (Fe2+2Al9Si4O23(OH))
Fluorite
Calcium Fluoride (CaF2)
Ruby
Corundum (Al2O3 with Chromium impurities)
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
Banded Black Onyx (Chalcedony)
Silicon Dioxide (SiO₂)
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Opalite
Man-made Synthetic Glass (Silicon Dioxide with metal additives)
Opalite
Synthetic Glass, SiO2 base with metallic inclusions
Iolite (Cordierite)
Magnesium Iron Aluminum Silicate (Mg,Fe)2Al4Si5O18
Sodium Polyacrylate (Superabsorbent Polymer)
Sodium Polyacrylate [-CH2-CH(COONa)-]n
Citrine
Citrine (Silicon Dioxide, SiO2)
Iolite (Cordierite)
Cordierite (Magnesium Aluminum Silicate), Mg2Al4Si5O18
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Blue Sapphire
Corundum (Al2O3 with trace Titanium and Iron)
Smoky Quartz (with Druzy/Polished Edge)
Smoky Quartz (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Ruby
Corundum (Al2O3 with Chromium trace elements)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities and natural radiation
Ruby (set in a gold pendant)
Ruby (Variety of Corundum, Al2O3)
Man-made Jewelry (Metal and Glass/Plastic)
Synthetic Alloy and Amorphous Solid (SiO2/Polymer)
Build-A-Bear Plush (Non-Geological)
Polyester fibers (C10H8O4)n and Synthetic Polymers
Diamond
Diamond (C)
Opal
Hydrated amorphous form of silica (SiO2·nH2O)
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Blue Goldstone
Aventurine Glass (SiO2 with Cobalt/Copper inclusions)