Diamond
Native Carbon (C)
Category
Browse anthropogenic material (man made sedimentary mimic) specimens identified by the Rock Identifier community.
Diamond
Native Carbon (C)
Hematite
Iron(III) oxide (Fe2O3)
Asphalt (Bituminous Concrete)
Asphaltum / Bitumen-Aggregate Matrix
Engineer Quartz/Quartzite
SiO2 (Silicon Dioxide with binders)
Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)
N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)
Chert (Arrowhead/Tool variety)
Microcrystalline Quartz (SiO2)
Sandstone (Wonderstone)
Arenite (composed primarily of SiO2 with Fe2O3 impurities)
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2AlSi3O10(OH)2)
Libyan Desert Glass
Tektite (high-silica impact glass), SiO2
Green Sea Glass
Amorphous Silica (man-made glass), SiO2 + additive metal oxides
Blue Goldstone
Synthetic Avanturine Glass (or Aventurine Glass)
Opalite
Synthetic Glass (SiO2 + impurities)
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
Terrazzo (with Marble and Granite fragments)
Cementitious or resinous composite containing Calcium Carbonate (CaCO3) and Silicates
Opalite
Synthetic Opalised Glass
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Opalite
Synthetic Fluorescent Glass (SiO2 + impurities)
Green Agate
Silicon dioxide (SiO₂)
Pyrite in Quartz (Drill Core)
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
Zebra Jasper
Silicon Dioxide (SiO2) with impurities; typically a form of Chalcedony/Microcrystalline Quartz
Slag (Industrial)
N/A (Anthropogenic Slag)
Aura Quartz (Pink/Rose Aura Quartz)
Silicon Dioxide (SiO2) bonded with Platinum and/or Silver
Synthetic Costume Glove (Paws)
Polyethylene terephthalate (Polyester) & Polyurethane blend
Slag Glass (Cullet)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Asphalt (Bituminous Pavement Bit)
Bitumen-bound aggregate (Petrochemical-bound composite)
Opalite (Man-made Glass)
Synthetic Opalised Glass
Glass / Silicon Dioxide (Man-made)
SiO2 (Amorphous Silicon Dioxide)
Man-made Glass (Tumbled/Shaped)
Amorphous Silicon Dioxide (SiO2) with metal oxide colorants
Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
Aventurine Quartz
Silicon Dioxide (SiO2) with Fuchsite inclusions
Moldavite
Tektite (Impact Glass), ~80% SiO2 + Al2O3
Opalite (a synthetic glass, often confused with Opal)
Silicon dioxide glass (SiO2nH2O, for natural opal)
Chert (specifically Tan/Gray Chert)
Microcrystalline quartz (SiO2)
Bismuth
Bismuth (Bi)
Chert (Arrowhead/Artifact Fragment)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
Opalite
Synthetic Glass (Hydrated Crystalline Silicon Dioxide simulation)
Jewelry Chain with Blue and Clear Gemstones (Likely Cubic Zirconia)
Cubic Zirconia (ZrO₂), Silver or White Gold/Platinum Alloy
Aqua Aura Quartz
Silicon Dioxide (SiO2) bonded with Gold (Au)
Blue Cracked Quartz (Dyed Fire Crackle Quartz)
Silicon Dioxide (SiO2) with synthetic dye
Banded Sandstone (Wonderstone)
Sandstone with Liesegang Rings (SiO2 with Iron Oxides)