Ferrous Slag (Iron Smelting By-product)
Fused Siliceous Slag
Anthropogenic Material (Man-made Rock)
Category
Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites)
Browse industrial byproduct (often confused with igneous rocks or meteorites) specimens identified by the Rock Identifier community.
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Slag
Anthropogenic silicate slag
igneous
Slag (Industrial Byproduct)
Anthropogenic Vitreous Silicate material
igneous
Slag
Metallurgical by-product
Anthropogenic (Man-made material)
Ferruginous Slag (Iron Smelting Byproduct)
Fused Silicate Scoria (Amorphous mixture of FeO, SiO2, and CaO)
Antropogenic Glass / Mineraloid
Iron Slag
Iron/Steel Slag (Ferrosilicate Glass)
industrial byproduct (anthropogenic material)
Slag (Industrial By-product)
Glassy silicate or metallic smelting residue
mineral-like (anthropogenic)
Ferrochrome Slag
Anthropogenic slag (Fe-Cr alloy waste)
industrial byproduct
Slag
Metallurgical Slag
igneous
Slag (Industrial Glass)
Anthropogenic Amorphous Vitreous Silicate
mineraloid
Platinum Nugget
Platinum (Pt)
mineral
Iron meteorite fragment (likely metallic meteorite)
Fe–Ni kamacite/taenite alloy; exact identification requires testing
meteorite
Slag (Industrial Glass/Byproduct)
Anthropogenic Vitreous Silicate
igneous (anthropogenic)
Iron Slag (Industrial Byproduct)
Anthropogenic Vitrification Product/Ferrous Slag
Mineral-like Industrial Smelting Waste
Ferrochrome Slag
Industrial Glassy Slag (Fe-Cr alloy byproduct)
Antropogenic (Man-made industrial byproduct)
Ferro-silicate Slag
Industrial Vitrified Slag (High-silica amorphous glass)
Mineral byproduct (Anthropogenic)
Iron Slag
Ferrous Slag (complex silicate and oxide byproduct)
industrial byproduct (anthropogenic)
Slag
Anthropogenic Vitrophyre (Iron or Smelting Slag)
Mineral-like byproduct
Possible iron meteorite
Metallic meteorite, likely Fe–Ni alloy (kamacite/taenite)
meteorite
Slag Glass / Industrial Slag
Anthropogenic Glass
man-made glass / industrial byproduct
Iron Slag
Iron smelting byproduct (Glassy/vesicular silicate)
anthropogenic / industrial byproduct
Slag
Industrial Silicate Slag
igneous
Almandine Garnet
Fe3Al2(SiO4)3
gemstone
Pyrite (on Quartz matrix)
Iron Disulfide (FeS2)
mineral
Peridot (Olivine)
Olivine ((Mg, Fe)2SiO4)
mineral
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
mineral
Olivine (Peridot when gem-quality)
Olivine Group (Magnesium Iron Silicate, (Mg,Fe)2SiO4)
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Iron Slag
Anthropogenic Ferro-silicate
mineral
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Rainbow carborundum (silicon carbide)
Silicon carbide, SiC; commonly synthetic moissanite/carborundum specimen
mineral
Slag Glass
Silicon dioxide with impurities
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Slag Glass (Cullet Glass)
Amorphous Silica (Industrial byproduct)
mineral
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial byproduct)
mineraloid
Nephrite Jade
Nephrite
Mineral/Rock
Polished sodalite
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂
mineral
Iron Slag (Industrial Byproduct)
Anthropogenic pyrometallurgical residue
mineral
Peridot
Olivine ((Mg,Fe)2SiO4)
gemstone
Blue sodalite (likely)
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂
mineral
Green Obsidian Slag Glass
Silicon Dioxide (Amorphous Glass)
mineral
Likely iron-rich meteorite fragment
Unclassified iron oxide–rich meteorite; composition cannot be confirmed visually
meteorite