Goldstone (Brown/Gold)
Aventurine Glass (Man-made glass with Copper inclusions)
gemstone
Category
Man Made Glass (Often Grouped With Minerals In Lapidary)
Browse man made glass (often grouped with minerals in lapidary) specimens identified by the Rock Identifier community.
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Opalite
Synthetic Glass (Simulated Moonstone/Opal)
gemstone
Ironstone Concretion (Pot Stone)
Siderite or Limonite Concretion (FeCO3 or FeO(OH)·nH2O)
sedimentary
Opalite (Man-made Glass)
Synthetic Silicon Dioxide Glass (SiO2 + metal oxides)
Synthetic Mineral Simulant / Glass
Green Aventurine
Quartzite with Fuchsite inclusions (SiO2 + K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Concrete Fragment
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Blue Goldstone
Man-made glass with suspended copper, cobalt, or manganese particles
man-made glass
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
Ring with an Orange Inlay
N/A (Man-made object)
Man-made Object (Ring)
Opalite
Synthetic Opalised Glass
mineraloid (synthetic)
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
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
sedimentary
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
mineral
Blue Goldstone
Auraventurine (Synthetic glass with cobalt and copper inclusions)
Synthetic (Man-made Glass)
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Mineraloid (Synthetic/Man-made)
Opalite
Man-made Opalized Glass (Synthetic Glass)
gemstone
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Conglomerate
Conglomerate (clastic sedimentary rock)
sedimentary
Blue Apatite
Apatite (Calcium Phosphate) - Ca5(PO4)3(F,Cl,OH)
mineral
Concrete rubble
Anthropogenic conglomerate
sedimentary
Carved Stone Turtle
Carved Soapstone and Quartz
mineral
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
sedimentary
Sandstone Concretion
Clastic Sedimentary Concretion (SiO2 with Iron Oxide)
sedimentary
Blue Slag Glass
Ferro-silicate glass (Slag)
igneous (man-made/industrial)
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
sedimentary
Green Slag
Anthropogenic Silicate Glass
Mineraloid (Industrial byproduct)
Concrete fragment or Conglomerate
Artificial Conglomerate (Concrete) or Natural Conglomerate
sedimentary
One Pound Coin (UK)
Nickel-Brass Alloy (Cu-Zn-Ni)
mineral
Moldavite
Tektite (Impact Glass), ~80% SiO2 + Al2O3
tektite
Polymer Clay (Mock Mineral)
Polyvinyl chloride (PVC) with plasticizers and pigment
Synthetic material (Not a natural rock/mineral)
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
sedimentary
Slag
Anthropogenic Vitreous Silica/Iron oxides
mineral-like byproduct
Opalite
Synthetic Opalised Glass
glass
Concrete with Aggregate
Artificial Conglomerate (Cement and Aggregate)
sedimentary
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
mineral
Opalite
Man-made Glass (SiO2 + additives)
mineraloid (synthetic)
Opalite
Synthetic Glass / Man-made Opal Simulant
gemstone
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
sedimentary
Sea Glass (specifically Frosted White)
Amorphous Silica (substance: Sodium-calcium silicate glass)
Mineraloid (Anthropogenic/Man-made rock)
Asphalt Concrete
Bituminous conglomerate
sedimentary
Green Slag Glass
Amorphous Silica / Glassy Blast Furnace Slag
Mineraloid (Industrial byproduct)
Green Sea Glass
Man-made vitreous material (silica glass)
gemstone