Diamond
Diamond (C)
Mineral
Category
Mineral (Man Modified)
Browse mineral (man modified) specimens identified by the Rock Identifier community.
Learn about Mineral (Man Modified) in the encyclopedia
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Diamond
Carbon (C)
gemstone
Concrete Fragment
Hardened Portland cement and mineral aggregate
sedimentary (anthropogenic)
Opalite
Man-made Glass (Synthetic Opalized Glass)
mineral
Chakra Stone Tower (Composite Multi-Mineral)
Crystalline Silicon Dioxide composite (SiO2) with various inclusions
mineral
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Diamond (in a jewelry setting)
Carbon (C)
mineral
Blue Goldstone
Aventurine Glass
man-made glass
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
mineral
Quartz crystal fragment (likely milky quartz)
Quartz, silicon dioxide (SiO₂)
mineral
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
mineral
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
mineral
Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
mineral
Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Aura Quartz (Titanium-coated Quartz)
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Corundum (Ruby variety)
Aluminium oxide (Al2O3)
mineral
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
gemstone
Opalite
Synthetic Opalized Glass
gemstone
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Larimar
Pectolite
mineral
Aura Quartz (specifically Titanium Aura Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti Coating)
mineral
Cherry Quartz with Rose Quartz
Crystalline Quartz (SiO2) with glass-based synthetic components
gemstone
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Concretion (Sandstone)
Carbonate-cemented Sandstone Concretion
sedimentary
Corundum (Sapphire/Ruby in Matrix)
Corundum (Al2O3)
mineral
Moissanite
Silicon Carbide (SiC)
mineral
Diamond
Carbon (C)
mineral
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
mineral
Green Aura Quartz
Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)
mineral
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
sedimentary
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
Black Obsidian
Obsidian (Volcanic Glass, SiO2 + impurities)
igneous
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
gemstone
Milky quartz (likely rough quartz crystal)
Quartz, silicon dioxide (SiO₂)
mineral
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Combined Minerals / Metaphysical stones
White pebble, likely quartz or calcite
Indeterminate from image; possible microcrystalline quartz (SiO₂) or calcite (CaCO₃)
mineral
Diamond
Carbon (C)
mineral