Engineered Quartz Stone
Agglomerated Quartz (SiO2 + Polymer Resin)
Category
Browse anthropogenic (man made industrial deposit) specimens identified by the Rock Identifier community.
Engineered Quartz Stone
Agglomerated Quartz (SiO2 + Polymer Resin)
Hematite Beads
Hematite (Fe2O3)
Iron Slag
Anthropogenic Vitreous Silicate (Byproduct of Smelting)
Slag (Industrial Glass)
Anthropogenic Amorphous Vitreous Silicate
Rainbow Hematite (Man-made/Treated)
Tumbled Hematite with Titanium/Anodized coating (Iron(III) oxide, Fe2O3)
Diamond
Diamond (pure Carbon, C)
Rough Diamond
Native Carbon (C)
Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
Diamond (in jewelry setting)
Diamond (C - Carbon)
Rough Diamond
Diamond (pure Carbon, C)
Diamond
Diamond (pure Carbon, C)
Sandstone (with man-made markings)
Arenite (composed primarily of Quartz, SiO2)
Sandstone
Clastic sedimentary rock (primarily SiO2)
Libyan Desert Glass
Impact-melt silica glass (SiO2 + traces of Al, Fe, Ti)
Rough Diamond
Pure Carbon (C)
Ferruginous Slag (Iron Smelting Byproduct)
Anthropogenic Vitreous Silicate (often containing Fayalite: Fe2SiO4)
Dyed Crackle Quartz
Silicon Dioxide (SiO2) with synthetic dye
Carved Mottled Greenish-Yellow Crystal/Glass Object
Unknown; possibly a form of quartz (chalcedony/jadeite/nephrite) or glass/resin.
Moissanite
Silicon Carbide (SiC)
Rough Corundum (Sapphire/Ruby mixture)
Corundum (Aluminum Oxide, Al2O3)
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
Dyed Quartz Geode
Silicon Dioxide (SiO2) with artificial pigment
Goldstone (with Tiger's Eye and Quartz)
Aventurine glass (Synthetic SiO2 with Cu inclusions)
Native Silver
Silver (elemental Ag)
Diamond (in a jewelry setting)
Cubic Carbon (C)
Diamond
Carbon (C)
Asphalt (Bituminous Concrete)
Asphaltum / Bitumen-Aggregate Matrix
Diamond in Kimberlite
Diamond (C in Kimberlite)
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Clay Brick
Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)
Sea Glass (Cobalt Blue)
Amorphous Silica (Glass with Cobalt additives)
Note: This is a Man-Made Object (Costume/Prop Patch)
Synthetic fiber and pigments (Cellulose/Plastic-based composite)
Chert Arrowhead
Microcrystalline Quartz (SiO2)
Corundum (Ruby variety)
Aluminium oxide (Al2O3)
Slag
Ferrous slag (by-product of iron smelting)
Chert (Yellow Jasper/Flint)
Microcrystalline Quartz (SiO2)
Diamond (in jewelry setting)
Adamantine Carbon (C)
Slag (Industrial Glass/Metal)
Ferrous slag or Glassy silicate byproduct
Chert (Common Variety, Jasper)
Microcrystalline Quartz (SiO2)
Cobalt Blue Slag Glass
Amorphous Silicon Dioxide (anthropogenic) with Cobalt additives
Red Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Matrix