Blue Goldstone
Man-made glass with cobalt and metal flecks
man-made glass
Category
Anthropogenic (Man Made Industrial Deposit)
Browse anthropogenic (man made industrial deposit) specimens identified by the Rock Identifier community.
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Slag
Ferrous Slag (Siliceous industrial waste)
Anthropogenic (Man-made industrial byproduct)
Chert (Arrowhead Fragment)
Silicon Dioxide (SiO2)
sedimentary
Slag
Anthropogenic Vitrophyre (Iron or Smelting Slag)
Mineral-like byproduct
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
metamorphic
Mohave Turquoise (Composite/Stabilized)
Hydrated copper aluminium phosphate (CuAl6(PO4)4(OH)8·4H2O) with stabilizing resin and metallic inclusions
mineral
Goldstone (Brown)
Aventurine Glass (Silicon Dioxide infused with Copper crystals)
mineraloid (man-made glass)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
sedimentary
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
mineral
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
sedimentary
Slag (Industrial Glass)
Artificial Vitreous Silicate
mineraloid (anthropogenic)
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
mineral
Corundum (Pink Sapphire / Ruby)
Al2O3 (Aluminum Oxide)
mineral
Iron Slag
Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)
Anthropogenic (Man-made industrial byproduct)
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
Synthetic/Man-made Glass
Chert Arrowhead (Lithic Tool)
Microcrystalline quartz (SiO2) - Archeological lithic artifact
sedimentary
Opalite
Synthetic Glass (Hydrated Silica Simulant)
mineral
Opalite
Synthetic Opalised Glass
mineral
Sea Glass
Man-made silicate glass (Amorphous silicon dioxide)
sedimentary
Diamond (Cut Gemstone)
Carbon (C)
gemstone
Concretion
Sedimentary Concretion (Ironstone / Calcite Concretion)
sedimentary
Conglomerate
Clastic Sedimentary Rock (Conglomerate)
sedimentary
Sandstone (with Liesegang rings or joints)
Clastic Sedimentary Rock (primarily Quartz with Iron Oxide cement)
sedimentary
Sandstone Concretion
Sedimentary Clastic Rock (Silicate-rich)
sedimentary
Sandstone Concretion
Clastic Sedimentary Concretion (typically Quartz/Silica with Iron Oxide)
sedimentary
Man-made Metal Pin (Non-geological)
Antimony-Lead Alloy or Zinc/Brass Base with Electroplating
Metal Alloy / Manufactured Artifact
Rough Sapphire (Corundum)
Corundum (Al2O3)
mineral
Slag (Industrial Glass)
Anthropogenic Vitreous Slag (Post-industrial byproduct)
igneous
Aura Quartz (Titanium/Rainbow Quartz)
SiO2 (Silicon Dioxide) with metallic coating
mineral
Slag
Anthropogenic Iron Silicate Glass
mineral
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Opalite (Synthetic Opalized Glass)
Synthetic Silicon Dioxide (SiO2) glass
mineral
Leland Blue Stone
Anthropogenic Iron Smelting Slag
mineraloid
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
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
mineral (impactite)
Yellow Sapphire (Raw)
Corundum (Al2O3)
mineral
Man-made Jewelry Charm (Enameled Metal)
Not a natural mineral; composed of base metal alloy (likely zinc or brass) and epoxy resin/enamel.
Synthetic / Manufactured Artifact
Opalite (a synthetic glass)
Silicon Dioxide (SiO2) with various additives; not a true mineral but a man-made gem simulant
Mineral Simulant (Synthetic Glass)
Opalite
Synthetic Opalized Glass (SiO2 + additives)
mineraloid (man-made)
Opalite
Synthetic Glass (Simulated Opal)
mineral
Diamond
Carbon (C)
gemstone
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
sedimentary (base), then artificial