Diamond
Native Carbon (C)
gemstone
Category
Man Made Glass (Not A Natural Rock Or Mineral)
Browse man made glass (not a natural rock or mineral) specimens identified by the Rock Identifier community.
Learn about Man Made Glass (Not A Natural Rock Or Mineral) in the encyclopedia
View all →
Opalite
Man-made Synthetic Glass (Silicon Dioxide with metal additives)
mineral
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Opalite
Synthetic Glass / Man-made Opal Simulant
gemstone
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
mineral
Blue Obsidian
Volcanic Glass (SiO2 with inclusions)
igneous
Blue goldstone beads
Man-made aventurine glass (silica glass with metallic copper inclusions), not natural lapis lazuli
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
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
mineral
Pink Quartz / Sea Glass
Silicon Dioxide (SiO2)
mineral
Granite with Cupules / Bedrock Mortars
Granite (felsic intrusive plutonic rock)
igneous
Man-made Polished Porcelain Tile (Artificial Geologic Lookalike)
Fused Silicate Ceramic with Alumina (Synthetic Kaolinite derivative)
Synthetic (Ceramic)
Opalite
Synthetic Opalized Glass
mineraloid (man-made)
Aura Quartz (Titanium-coated Quartz)
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
White quartz pebble
Quartz (SiO₂), likely milky quartz
mineral
Concrete Fragment
Hardened Portland Cement Composite
Anthropogenic (Man-made material mimicking sedimentary rock)
Tumbled Clear Quartz/Rock Crystal
Silicon Dioxide (SiO2)
mineral
Slag
Metallurgical Slag
igneous
Goldstone (Red)
Aventurine Glass (Cupriferous glass)
Synthetic Glass (Man-made)
Opalite
Synthetic Opalised Glass
mineral
Sea Glass
Man-made silicate glass
sedimentary
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
sedimentary
Aura Quartz (Titanium Quartz)
Titanium-coated Silicon Dioxide (SiO2 + Ti)
mineral
Painted River Rock
Artificially Coated Sedimentary Rock
sedimentary
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
gemstone
Strawberry Quartz
Silicon Dioxide (SiO2) with Hematite or Goethite inclusions
mineral
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Concrete / Anthropogenic Conglomerate
Man-made composite material (Portland cement, aggregate, and water)
not a natural rock
Titanium Aura Quartz
Titanium bonded Silicon Dioxide (SiO2 + Ti)
mineral
Opalite
Man-made glass (traditionally simulated Opal)
mineral
Synthetic Resin Charm (Seal Shape)
Polymer Resin with plastic glitter / Polyethylene terephthalate glitters
Synthetic material (Not a rock or mineral)
Concrete fragment with Aggregate
Anthropogenic Concrete with Calcarious and Siliceous Aggregate
sedimentary (anthropogenic/man-made)
Quartzite (Engineered Stone)
Silicon Dioxide (SiO2) based synthetic composite
metamorphic
Opalite
Synthetic Glass (Amorphized Silicon Dioxide)
mineraloid
Cullet Glass (Slag)
Amorphous Silicon Dioxide (Man-made)
Mineraloid
Diamond (or Simulant)
Carbon (C)
gemstone
Cherry Quartz with Rose Quartz
Crystalline Quartz (SiO2) with glass-based synthetic components
gemstone
Goldstone (Brown)
Aventurine Glass (Silicon Dioxide infused with Copper crystals)
mineraloid (man-made glass)
Opalite
Man-made opalescent glass (SiO2 + metal oxides)
mineral (synthetic)
Aura Quartz (Rainbow Quartz)
Silicon Dioxide (SiO2) with metallic vapor coatings
mineral
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
gemstone