Asphalt / Road Aggregate
Bituminous Conglomerate (synthetic)
sedimentary
Category
Synthetic Polymer (Polylactic Acid)
Browse synthetic polymer (polylactic acid) specimens identified by the Rock Identifier community.
Learn about Synthetic Polymer (Polylactic Acid) in the encyclopedia
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Opalite
Synthetic Opalized Glass
mineraloid (man-made)
Opalite
Synthetic Opalized Glass
gemstone
Opalite
Synthetic Opalite Glass
mineraloid (man-made)
Opalite
Synthetic Opalised Glass
Mineral (Synthetic / Man-made)
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Opalite
Synthetic Opalised Glass
mineral
Opalite
Synthetic Opalised Glass
mineraloid (synthetic)
Opalite (Man-made Glass)
Synthetic Opalised Glass
mineral
Amber
Succinite
mineral
Gastly (Trick or Trade Halloween Series)
Cellulose-carbonaceous composite (Lignocellulose laminated with pigmentary polymers)
Mineral (Synthetic - Paper and Ink Polymorph)
Ruby (Raw Corundum)
Al2O3 (Aluminum Oxide)
mineral
Blue cabochon gemstone ring
Uncertain; likely blue sapphire (corundum, Al₂O₃), blue topaz, or synthetic glass/spinel
gemstone
Cubic Zirconia (Jewelry Setting)
Zirconium Dioxide (ZrO2)
gemstone
Wollastonite
Calcium Inosilicate, CaSiO3
mineral
Cubic Zirconia and Synthetic Ruby Jewelry
Cubic Zirconia (ZrO2) and Synthetic Corundum (Al2O3)
gemstone
Opalite
Synthetic glass / Opaque silicious glass
gemstone
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
mineral
Note on Image Identification: Textile
N/A (Anthropogenic material)
not a rock
Gemstone Ring
Various (Likely Glass, Cubic Zirconia, or assorted semi-precious stones)
gemstone
Amber
Succinates (fossilized tree resin), approximately C10H16O
organic gemstone
Jet
Lignite coal variant (hydrocarbon polymer)
sedimentary
Engineered Quartz Stone
Agglomerated Quartz (SiO2 + Polymer Resin)
mineral-based composite
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Sedimentary-like (Industrial Composite)
Goldstone
Aventurine Glass (Man-made)
mineral
Opalite
Man-made glass (traditionally simulated Opal)
mineral
Blue Sapphire (likely costume glass imitation)
Corundum (Al2O3) with iron/titanium impurities
mineral
Faceted gemstone in a jewelry setting
Indeterminate from image; likely quartz, cubic zirconia, or another transparent faceted stone
gemstone
Costume Jewelry with Synthetic Gemstones
Synthetic Cubic Zirconia and Glass (SiO2 / ZrO2)
mineral
Silicon Carbide (Carborundum)
Silicon Carbide, SiC
mineral
Amber (and Cubic Zirconia)
Fossilized Tree Resin
mineraloid
Amber
Succinite (Fossilized Resin)
mineral
Amber
Fossilized Tree Resin (Organic Polymer)
gemstone
Amber in Matrix
Succinite (Carbon-based organic polymer)
Organic (Sedimentary context)
Amber
Succinicum (Organic polymer, largely C10H16O)
Organic Mineral
Luminous Stone (Glow-in-the-dark Synthetic/Man-made Stone)
Strontium Aluminate tinted glass or resin (Crystalline silicate/oxide mix)
mineral (synthetic)
Red gemstone ring, likely garnet or synthetic ruby
Possibly almandine garnet (Fe₃Al₂(SiO₄)₃) or corundum/ruby (Al₂O₃); image alone cannot distinguish
gemstone
Faceted blue gemstone, likely blue topaz or synthetic spinel
Topaz (Al₂SiO₄(F,OH)₂) or synthetic spinel (MgAl₂O₄); image insufficient for certainty
gemstone
Parti Sapphire
Corundum (Al2O3)
mineral
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
mineral
Cubic Zirconia
Zirconium dioxide (ZrO2)
mineral
Painted Rock
Weathered Sedimentary Rock (Painted)
sedimentary