Tumbled milky quartz pebble
Quartz (silicon dioxide, SiO₂), opaque-to-translucent milky variety
mineral
Category
Mineral (Man Modified)
Browse mineral (man modified) specimens identified by the Rock Identifier community.
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Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
gemstone
Rough Corundum (Sapphire/Ruby mixture)
Corundum (Aluminum Oxide, Al2O3)
mineral
Not a rock, mineral, or geological specimen
N/A
River Pebble Gravel
Hydrothermally modified Clastic Sediment (mainly Quartzite and Chert)
sedimentary
Diamond (in a jewelry setting)
Diamond (Carbon, C)
mineral
Concrete
Anthropogenic Conglomerate
sedimentary
Asphalt Concrete (Bituminous Pavement)
Aggregates in Bitumen Matrix
Technogenic / Anthropogenic Pavement Material
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Aura Quartz / Rainbow Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
mineral
Opalite
Synthetic glass / Opaque silicious glass
gemstone
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Crackled Quartz (Dyed)
Silicon Dioxide (SiO2)
mineral
Diamond (or Diamond Simulant)
Carbon (C)
mineral
Diamond (in jewelry setting)
Diamond (C - Carbon)
mineral
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Opalite
Man-made Glass (Synthetic Opalized Glass)
mineral
Chakra Stone Tower (Composite Multi-Mineral)
Crystalline Silicon Dioxide composite (SiO2) with various inclusions
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
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
mineral
Diamond
Carbon (C)
gemstone
Opalite
Synthetic Glass (Simulated Opal)
gemstone
Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Cherry Quartz with Rose Quartz
Crystalline Quartz (SiO2) with glass-based synthetic components
gemstone
Sea Glass
Silicon dioxide (mostly)
mineral
Blue Goldstone
Aventurine Glass
man-made glass
Diamond (in a jewelry setting)
Carbon (C)
mineral
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
mineral
Diamond
Diamond (C)
Mineral
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
mineral
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Opalite
Synthetic Opalized Glass
gemstone
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Corundum (Sapphire/Ruby in Matrix)
Corundum (Al2O3)
mineral
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
mineral
Concrete Fragment
Hardened Portland cement and mineral aggregate
sedimentary (anthropogenic)
Black Obsidian
Obsidian (Volcanic Glass, SiO2 + impurities)
igneous
Asphalt (Bituminous Concrete)
Bituminous mix containing aggregates and petroleum-based binder (CnH2n+2)
not a rock (anthropogenic material/technofossil)