N/A - Image does not contain a rock or mineral
Anthropogenic textile material
Non-geological
Category
Mineral Byproduct (Anthropogenic)
Browse mineral byproduct (anthropogenic) specimens identified by the Rock Identifier community.
Sea Glass
Man-made vitreous material (silica-based glass)
mineral
Asphalt Concrete
Bituminous Concrete / Asphaltic Composite
not a natural rock (man-made composite)
Blue Glass / Slag Glass
Amorphous silicon dioxide (SiO2) with cobalt colorants
mineral
Sea Glass
Man-made silicate glass
mineral
Iron Slag
Ferrous slag (primarily silicates and oxides of calcium, iron, and magnesium)
Anthropogenic (Man-made industrial byproduct)
Sea Glass
Man-made silicate glass
mineral
Chalcanthite
Hydrated copper(II) sulfate (CuSO4·5H2O)
mineral
Slag (Industrial Byproduct)
Ferro-silicate glass (Slag)
Anthropogenic (Man-made industrial deposit)
Aggregate Concrete
Anthropogenic Conglomerate (Technosol)
sedimentary
Asphalt (Bituminous Concrete)
Bituminous mix / Anthropogenic conglomerate
man-made composite (lithified equivalent of sedimentary)
Blue Glass or Slag Glass
Amorphous Silica (Anthropogenic Glass)
mineral
Iron-rich concretion or slag-like mineral fragment
Likely limonite/goethite (FeO(OH)·nH₂O), possibly magnetite-bearing material
mineral
Ferrous Slag (Iron Smelting By-product)
Fused Siliceous Slag
Anthropogenic Material (Man-made Rock)
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Slag
Metallurgical Slag
igneous
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Sulfur
Native Sulfur (S)
mineral
Sulfur (with possible Cullet Glass or Slag imitation)
Native Sulfur (S8)
mineral
Blue Slag Glass
Amorphous Silica (Industrial byproduct)
Antropogenic (Man-made glass byproduct)
Rounded metallic-looking pebble, likely iron-rich rock or slag
Uncertain; possible limonite/goethite-rich ironstone, hematite-bearing material, or industrial slag
mineral
Asphalt Concrete
Bituminous Concrete (Anthropic Rock)
sedimentary
Fluorite (Purple/Blue variety)
Calcium Fluoride (CaF2)
mineral
Fluorite
Calcium fluoride (CaF2)
mineral
Slag Glass
Silicon dioxide with impurities
mineral
Milky Quartz or Calcite Pebble
Silicon Dioxide (SiO2) or Calcium Carbonate (CaCO3)
mineral
Basalt or Slag
Extrusive Igneous Rock / Industrial Slag
igneous
Sulfur
Native Sulfur (S)
mineral
Sulfur (with Matrix)
Native Sulfur (S8)
mineral
Arsenopyrite with Schist Matrix
Arsenopyrite (FeAsS)
mineral
Crackled Quartz (Blue Dyed)
Silicon Dioxide (SiO2) with anthropogenic dye
mineral
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Cobalt Glass Slug (Man-made Glass)
Amorphous Silica with Cobalt Oxide (SiO2 + CoO)
mineraloid
Anthracite Coal with Sulfur staining
Anthracite (Carbon C with impurities)
metamorphic
Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
mineral
Yellow Calcite
Calcium Carbonate (CaCO3)
mineral
Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
mineral
Chert (Flint)
Chert (SiO2)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Sea Glass
Amorphous Silica (Anthropogenic glass) - SiO2
mineral
Chalcopyrite
Chalcopyrite (CuFeS2)
mineral
Green sea glass (likely bottle glass)
Human-processed soda–lime silicate glass; not a natural mineral or rock
mineral