Ring with an Orange Inlay
N/A (Man-made object)
Man-made Object (Ring)
Category
Synthetic Polymer (Polylactic Acid)
Browse synthetic polymer (polylactic acid) specimens identified by the Rock Identifier community.
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Polished Baltic amber with insect inclusion
Amber (fossilized plant resin), chiefly polymerized diterpenoid resin; likely succinite
gemstone
Tumbled amber
Amber (fossilized plant resin; commonly succinite, C10H16O)
gemstone
Amber
Succinite (C10H16O)
gemstone
Beads (likely glass or man-made material)
N/A (artificial material)
Man-made material, not a natural rock or mineral specimen
Amber
Succinite (Formula: C10H16O)
Mineraloid
Synthetic Zinc/Polycarbonate Composite (Bey-specimen)
Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay
Anthropogenic Mineral Mimic
Diamond
Native Carbon (C)
mineral
Amber
Fossilized tree resin; primarily polymerized terpenoid resin (succinite)
gemstone
Goldstone (Red)
Aventurine Glass
Man-made material (Simulated Mineral)
Diamond
Diamond (C - Pure Carbon)
gemstone
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Synthetic (glass)
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Smoky Quartz
Silicon dioxide with aluminum impurities (SiO2)
mineral
Polished fossil-bearing amber cabochon (likely insect inclusion)
Fossilized plant resin; commonly Dominican or Baltic amber, chemically a complex diterpenoid resin
fossil
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Goldstone
Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)
man-made glass
Diamond
Carbon (C)
gemstone
Diamond (Heart Cut)
Carbon (C)
gemstone
Sapphire
Corundum (Al2O3)
mineral
Mixed gemstone jewelry collection
Various gemstone minerals, including likely amethyst (quartz), sapphire or iolite, garnet, pearl, turquoise, and colored beryl or tourmaline
gemstone
Honey-colored amber (likely copal or amber fragment)
Amber: fossilized plant resin; commonly succinite (C₁₀H₁₆O)
fossil
Blue Topaz (specifically London Blue or Swiss Blue based on color saturation)
Al2SiO4(F,OH)2 (Aluminum Silicate Fluoride Hydroxide)
mineral
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Turquoise cabochon jewelry
Turquoise, hydrated copper–aluminum phosphate: CuAl₆(PO₄)₄(OH)₈·4H₂O
gemstone
Raw Topaz
Aluminum Silicate Fluoride Hydroxide, Al2SiO4(F,OH)2
mineral
Lapis Lazuli
Lapis Lazuli (a rock composed primarily of Lazurite, Sodalite, Calcite, and Pyrite)
Mineral
Amber
Succinite (Fossilized Tree Resin)
mineral
Ruby
Corundum (Al2O3)
mineral
Anthracite Coal
Anthracite (Carbon-based organic sedimentary rock transitioned to metamorphic)
metamorphic
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Rough Emerald (Beryl)
Emerald (Be3Al2(SiO3)6 with Cr/V impurities)
mineral
Dyed Agate
Agate (Cryptocrystalline Quartz), SiO2
Mineral
Goldstone (Red/Brown)
Aventurine Glass (SiO2 with Copper inclusions)
Mineral (Man-made glass)
Diamond (faceted)
Diamond (Pure Carbon, C)
mineral
Opalite
Man-made synthetic glass with opalescent effects (SiO2 + metal oxides)
mineraloid
Concrete Paver (Artificial Cementitious Rock)
Hydrated Portland Cement Aggregate
Sedimentary (Synthetic)
Cubic Zirconia (CZ) Jewelry
Zirconium dioxide (ZrO2)
mineral (synthetic)
Amethyst
Amethyst (SiO2 - Silicon Dioxide with iron impurities)
Mineral
Cubic Zirconia (CZ)
Cubic Zirconium Dioxide (ZrO2)
mineral (synthetic)
Cubic Zirconia (CZ)
Cubic Zirconium Dioxide (ZrO2)
mineral (synthetic)
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral (synthetic)