Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Category
Not A Rock (Man Made Industrial Metal)
Browse not a rock (man made industrial metal) specimens identified by the Rock Identifier community.
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Not a rock, mineral, or geological specimen
N/A
Quartzite (Engineered Stone)
Silicon Dioxide (SiO2) based synthetic composite
metamorphic
Mohave Turquoise (Composite/Stabilized)
Hydrated copper aluminium phosphate (CuAl6(PO4)4(OH)8·4H2O) with stabilizing resin and metallic inclusions
mineral
Opalite (Synthetic Moonstone/Opal)
Synthetic Silica Glass
mineraloid (synthetic)
Quartz (Engineered Stone Countertop)
Silicon Dioxide (SiO2) with polymer resins
Sedimentary-like (Industrial Composite)
Aura Quartz (Anomalously Coated Quartz)
Silicon Dioxide (SiO2) treated with vaporized metals
mineral
Titanium Aura Quartz (Bismuth-coated Druzy)
Silicon Dioxide (SiO2) with Titanium/Metal vapor coating
mineral
Quartz pebble (Quartztite fragment)
Silicon Dioxide (SiO2)
mineral
Dyed Aura Quartz
Silicon Dioxide (SiO2) with metallic coating
mineral
Weathered iron-rich concretion or ironstone nodule
Goethite–hematite limonite concretion (FeO(OH), Fe₂O₃, and hydrated iron oxides)
sedimentary
Opalite
Synthetic glass (SiO2 + metal additions)
mineraloid
Aura Quartz
Titanium-coated Silicon Dioxide (SiO2)
mineral
Cullet Glass / Slag Glass
Amorphous silica glass
man-made glass / industrial byproduct
Blue Obsidian (Cullet Glass)
Silicon Dioxide (Amorphous Glass)
mineral
Exposed Aggregate Concrete (Pea Gravel)
Concrete with Siliceous Alluvial Gravels
sedimentary (man-made conglomerate)
Industrial Slag
Anthropogenic Vitreous Slag
igneous
Opalite Egg
Synthetic Glass (Simulated Opal)
mineral
Asphalt (Bituminous pavement)
Bituminous concrete / Asphalt
Sedimentary (Anthropogenic)
Chert (Arrowheads)
Microcrystalline Quartz (SiO2)
sedimentary
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Mineral-like Industrial Smelting Waste
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
gemstone
Asphalt Concrete
Bituminous Concrete
sedimentary (artificial)
Cubic Zirconia (Jewelry Setting)
Cubic Zirconia (ZrO2)
gemstone
Green Sea Glass
Amorphous Silica (man-made glass), SiO2 + additive metal oxides
mineraloid / anthropogenic (man-made origin)
Engineerged Quartz (Quartz Composite)
SiO2 (Silicon Dioxide) in a polymer resin matrix
mineral
Acrylic or Resin (Synthetic Imitation)
Polymethyl Methacrylate (PMMA) or Polyepoxide
Synthetic/Man-made Polymer
Blue Goldstone
Aventurine Glass
Man-made glass (often grouped with minerals in lapidary)
Man-made earbud charging case (Not a rock or mineral)
Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components
Synthetic/Man-made object
Blue-green cabochon, likely chalcedony or treated glass imitation
Cryptocrystalline quartz (chalcedony/possibly chrysoprase); identification uncertain from image
gemstone
Cullet Glass (Slag)
Amorphous Silicon Dioxide (Man-made)
Mineraloid
Carborundum (Silicon Carbide)
Silicon Carbide (SiC) / Moissanite (natural form)
mineral
Concrete
Anthropogenic Conglomerate
sedimentary
Concrete Fragment
Hardened Portland cement and mineral aggregate
sedimentary (anthropogenic)
Opalite
Synthetic glass / Opalized glass
gemstone
Native Silver
Silver (elemental Ag)
mineral
Opalite
Synthetic Opalised Glass
Mineral (Synthetic / Man-made)
Metallic sulfide mineral fragment, likely galena
Galena (lead sulfide, PbS), tentative identification
mineral
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
mineralogical simulant
Rainbow Hematite (Titanium Coated)
Iron(III) oxide (Fe2O3) with Titanium/Metal Oxide coating
mineral
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Asphalt Concrete (Bituminous Conglomerate)
Anthropogenic Bituminous Conglomerate
sedimentary