Burmese Amber (Burmite)
Burmite (C10H16O)
mineraloid
Category
Mineraloid Like Synthetic Material
Browse mineraloid like synthetic material specimens identified by the Rock Identifier community.
Learn about Mineraloid Like Synthetic Material in the encyclopedia
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Amber
Succinates (Organic Fossilized Resin)
mineraloid
Amber
Succinite (specific to Baltic amber), fossilized tree resin
mineraloid
Precious Opal
Hydrated Silica (SiO2·nH2O)
mineraloid
Pink Opal
Hydrated Amorphous Silica (SiO2·nH2O)
mineraloid
Opal
Hydrated Silica (SiO2·nH2O)
mineral
White Precious Opal
Hydrated Silica (SiO2·nH2O)
mineral
ABS Plastic (Acrylonitrile Butadiene Styrene)
(C8H8)x·(C4H6)y·(C3H3N)z
Synthetic Polymer (Synthetic Material)
Painted River Rock
Polished fluvial clast with acrylic/synthetic pigment coating
Sedimentary or Metamorphic (base substrate)
Synthetic Ruby (Jewel Bearings)
Synthetic Corundum (Al2O3 doped with Chromium)
mineral
Green Fluorite (likely synthetic or heat-treated for jewelry)
Calcium Fluoride (CaF2)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Textile (Upholstery Fabric)
Woven Polyethylene/Polyester or Cotton Blend
Synthetic or Natural Fiber
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Pearl
Aragonite / Calcium Carbonate (CaCO3)
mineral
Pearl
Calcium Carbonate (Aragonite/Calcite mixed with Conchiolin), CaCO3
mineral
Ruby
Corundum (Al2O3 with Chromium traces)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Diamond (or Cubic Zirconia)
Carbon (C) or Zirconium Dioxide (ZrO2)
gemstone
Colorless faceted gemstone, likely cubic zirconia
Synthetic cubic zirconia (zirconium dioxide, ZrO₂); identity is visual and not definitive
gemstone
Quartz (Druzy / Goldstone Gemstone Cabochon)
Silicon Dioxide (SiO2)
gemstone
Opalite
Man-made Glass (Synthetic Opalized Glass)
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
Red Agate (Carnelian)
Silicon Dioxide (SiO2)
gemstone
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
Coquina (Fossiliferous Limestone)
Biogenic Limestone (Calcium Carbonate, CaCO3)
sedimentary
Shungite
Carbon-rich mineraloid (Amorphous carbon)
mineral
Blue Goldstone
Man-made glass with cobalt and metal flecks
man-made glass
Pearl (Biogenic Mineraloid)
Calcium carbonate (CaCO3) primarily as Aragonite
mineral
Tumbled mahogany obsidian
Volcanic glass; primarily SiO₂ with iron-oxide-rich brown inclusions
igneous
Limonite (Iron Stone/Goethite)
Limonite (mixture of hydrated iron oxides, primarily Goethite: α-FeO(OH))
mineral
Spinel
Magnesium Aluminum Oxide (MgAl2O4)
mineral
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Blue Sapphire (in a faceted jewelry setting)
Corundum (Al2O3) with trace Iron and Titanium
mineral
Azurite-Malachite (often a mixed specimen)
Azurite: Cu3(CO3)2(OH)2; Malachite: Cu2(CO3)(OH)2. The specimen appears to be a natural mixture or intergrowth of these two minerals.
Mineral
Amber
Succinate (Succinite for Baltic varieties)
Organic Mineraloid
Amber
Succinite (Formula: C10H16O)
Organic Mineraloid
Blue Goldstone
Aventurine glass (Synthetic borosilicate glass with cobalt and metallic inclusions)
man-made glass
Sandstone
Arenite (SiO2 based)
sedimentary
Petrified Wood
Fossilized wood / Silicified wood
Sedimentary / Fossil
Slag (Industrial Glass Slag)
Amorphous Silica / Ferro-silicate Slag
mineraloid / anthropogenic