Diamond (Cluster Ring)
Carbon (C)
mineral
Category
Man Made Material (Metal)
Browse man made material (metal) specimens identified by the Rock Identifier community.
Learn about Man Made Material (Metal) in the encyclopedia
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Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral
Sea Glass (specifically Frosted White)
Amorphous Silica (substance: Sodium-calcium silicate glass)
Mineraloid (Anthropogenic/Man-made rock)
Opalite
Synthetic Opalized Glass (SiO2 + additives)
mineraloid (man-made)
Dyed Agate / Painted Stone
Silicon Dioxide (SiO2) with artificial pigment
sedimentary (base), then artificial
Green Slag
Anthropogenic Silicate Glass
Mineraloid (Industrial byproduct)
Sunstone
Andesine-Labradorite Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Sandstone Concretion
Septarian or Carbonate-cemented Sandstone Concretion
sedimentary
Cherry Quartz
SiO2 (Silicon Dioxide with iron-rich inclusions/dye)
mineral
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
metamorphic
Moldavite
Tektite (Impact Glass), ~80% SiO2 + Al2O3
tektite
Magnetic Hematite (Man-made)
Iron Oxide (Fe2O3) with Barium-Strontium Ferrite
mineral
Goldstone
N/A (Synthetic Glass with Copper Inclusions)
Manufactured Glass
White quartz pebble
Quartz (SiO₂), likely milky quartz
mineral
Opalite
Synthetic Opalite Glass
mineraloid (man-made)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
mineral
Opalite
Synthetic opalescent glass
glass
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)
mineral (treated)
Goldstone
Aventurine glass
mineral (man-made glass)
Pyrite
Iron Sulfide (FeS2)
mineral
Meteorite
Chondrite / Iron-Nickel Meteorite fragment
meteorite
Boxwork or Septarian Concretion
Septarian nodule / Boxwork weathering
sedimentary
Green Aura Quartz
Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)
mineral
Crescent Pebble
Weathered Quartzite or Sandstone Fragment
sedimentary
Chert Concretion
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Bismuth
Bismuth (Bi)
mineral
Pink Quartz / Sea Glass
Silicon Dioxide (SiO2)
mineral
Obsidian (Blue)
Volcanic Glass (SiO2)
igneous
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
mineral
Clear quartz sphere
Quartz (silicon dioxide, SiO₂)
mineral
Man-made Synthetic Material (Not a rock or mineral)
Polyester (Polyethylene terephthalate) / Faux Fur
Synthetic / Textile
Man-made Synthetic Material (Costume Faux Fur)
Synthetic Polymer (Polyester/Acrylic)
not a rock
Likely blue glass or synthetic gemstone jewelry
Uncertain; possibly synthetic spinel, cubic zirconia, or blue glass
gemstone
Carved Stone Turtle
Carved Soapstone and Quartz
mineral
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
mineral
Mystic Topaz
Aluminum Silicate Fluoride Hydroxide (Al2SiO4(F,OH)2) with metallic film coating
mineral
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
mineral
Pearl-and-gemstone insect brooch
Pearl: nacre (aragonite, CaCO₃); colored stones are likely synthetic or natural corundum/spinel/glass, not determinable from the image
gemstone
Opalite
Synthetic Opalised Glass
mineral
Cubic Zirconia (Diamond Simulant)
Zirconium Dioxide (ZrO2)
gemstone
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Goldstone (Red)
Aventurine Glass
Man-made material (Simulated Mineral)