Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
Category
Browse anthropogenic (man made) specimens identified by the Rock Identifier community.
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
Green Aventurine
SiO2 (Silicon Dioxide with Fuchsite inclusions)
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
Opalite
Synthetic Glass (SiO2 + impurities)
Opalite
Synthetic Glass (typically Silica/Magnesium based with metal additives)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Titanium-Coated Hematite (Aura Hematite)
Titanium-bonded Hematite (Fe2O3 with a Ti coating)
Ocean Jasper Mushroom
Orbicular Jasper (Silicon Dioxide, SiO2 mixed with various impurities)
Opalite
Man-made Glass (Synthetic Opalized Glass)
Opalite
Synthetic Glass / Man-made Opal Simulant
Goldstone
Avventurina (Man-made Glass with Copper inclusions)
Opalite
Synthetic Opalized Glass / Man-made Glass
Opalite
Man-made glass (traditionally simulated Opal)
Opalite glass sphere (likely synthetic imitation)
Man-made opalescent glass; not natural opal
Opalite
Man-made Opalized Glass (Synthetic Glass)
Blue Goldstone
Man-made glass with crystalline copper/cobalt inclusions
Bismuth Crystal
Bismuth (Bi)
Aura Rose Quartz
SiO2 (Silicon Dioxide with Titanium/Gold coating)
Cubic Zirconia
Cubic Zirconium Dioxide (ZrO2)
Aura Quartz (Titanium-coated Quartz)
Silicon Dioxide (SiO2) with metallic vapor coating
Sandstone Concretion
Clastic Sedimentary Concretion (SiO2 with Iron Oxide)
Titanium Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Crackle Agate / Dyed Quartz
SiO2 (Silicon Dioxide)
Beads (likely glass or man-made material)
N/A (artificial material)
Chert (Arrowhead Fragment)
Microcrystalline Quartz (SiO2)
Fossiliferous limestone with colonial coral
Calcite (CaCO₃) limestone containing fossil tabulate or rugose coral colonies
Tumbled milky quartz
Quartz, silicon dioxide (SiO₂)
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
Chakra Stone (Composite / Man-made Bonded Gemstones)
Composite of Quartz, Lapis Lazuli, Aventurine, Tiger's Eye, and Jasper (SiO2, (Na,Ca)8(AlSiO4)6(S,Cl,SO4,OH)2, etc.)
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Asphalt Concrete (Bituminous Concrete)
Bituminous aggregate
Opalite (Synthetic Moonstone/Sea Opal)
Silicon Dioxide (SiO2) glass with metallic inclusions
White quartz pebble or chip
Quartz (silicon dioxide, SiO₂), possibly milky quartz
Unidentified translucent crystal/mineral fragment
Likely quartz (SiO₂), but visual identification is uncertain
Tumbled white chalcedony (likely milky quartz)
Chalcedony, microcrystalline quartz (SiO₂)
Green Aventurine
Silicon Dioxide (Quartz with Fuchsite inclusions), SiO2
Mohave Turquoise (Composite/Stabilized)
Hydrated copper aluminium phosphate (CuAl6(PO4)4(OH)8·4H2O) with stabilizing resin and metallic inclusions
Goldstone (Brown)
Aventurine Glass (Silicon Dioxide infused with Copper crystals)
Green Quartz / Chrysoprase / Sea Glass
Silicon Dioxide (SiO2)
Conglomerate
Conglomerate (Sedimentary rock containing rounded clasts)
Clear quartz fragment
Quartz (silicon dioxide, SiO₂)
Polished black pebble, likely basalt
Basalt, a fine-grained mafic volcanic rock composed mainly of plagioclase feldspar and pyroxene, commonly with olivine