Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
Category
Browse mineral (man made aura treatment) specimens identified by the Rock Identifier community.
Glass Nugget (Tumbled Glass)
Amorphous Silicon Dioxide (SiO2) with additives
Diamond
Diamond (pure Carbon, C)
Amethyst
Quartz (SiO2) with trace iron impurities
Corundum (Sapphire variant)
Aluminium oxide (Al2O3)
Jasper (Iron-rich Chalcedony)
Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)
Obsidian
Volcanic Glass (SiO2)
Asphalt (Bituminous Concrete)
Composite material (bitumen binder with mineral aggregate)
Amber (Black)
Amber (succinite, retinite, etc., specifically, heavily included/dark varieties)
Red Sandstone
Arenite (Ferruginous Sandstone)
US Penny
Cuprum (Copper: Cu) and Zincum (Zinc: Zn) Alloy
Bog Iron / Limonite Concretion
Goethite/Limonite mixture (FeO(OH)·nH2O)
Diamond
Cubic carbon (C)
Diamond (in Jewelry)
Carbon (C)
Sandstone
Arenite (composed primarily of SiO2)
Granite
Granite (a plutonic rock)
Goldstone (Synthetic Aventurescence Glass)
Cuprous Aventurescent Glass (Silicon Dioxide with Copper inclusions)
Citrine
Quartz (SiO2) - variety Citrine
Pearl
Biogenic CaCO3 (Aragonite and Calcite)
Diamond
Diamond (pure Carbon, C)
Synthetic Marbled Aggregate (Footwear Component)
Ethylene-vinyl acetate (Croslite™)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2 + Fe2O3)
Smoky Quartz
Smoky Quartz (SiO2)
Pearl
Organic gemstone (Calcium carbonate - CaCO3)
Diamond (in a jewelry setting)
Cubic Carbon (C)
Chert
Silicon dioxide (SiO2)
Granite
Phaneritic Igneous Rock (composed primarily of Quartz, Alkali Feldspar, and Plagioclase)
Turquoise
Hydrated phosphate of copper and aluminium: CuAl6(PO4)4(OH)8·4H2O
Sandstone
Arenite (composed primarily of SiO2)
Clay Brick
Ceramic structural unit (Al2O3·2SiO2·2H2O as precursor)
Ruby
Corundum (Al2O3 with Chromium traces)
Diamond
Diamond (pure carbon C)
Pearl
Calcium Carbonate (CaCO3) - Aragonite/Calcite
Blue Chalcedony
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Sandstone
Arenite (primarily SiO2)
Diamond
Diamond (pure Carbon, C)
Rough Diamond
Pure Carbon (C)
Pearl
Biogenic Calcium Carbonate (Aragonite/Calcite), CaCO3
Sandstone (specifically Arkose or Quartz Arenite)
Arenite (primarily SiO2 with possible Feldspar)
Sandstone (with potential Arkose/Lithic characteristics)
Arenite (Sedimentary rock composed of sand-sized grains)
Chert (with Limestone matrix)
Silicon dioxide (SiO2)
Cullet Glass (Strawberry Glass)
Amorphous Silicon Dioxide (SiO2) with metallic dopants
Red Sandstone
Arenite (with Iron Oxide / Hematite staining)