Carborundum (Silicon Carbide)
Silicon carbide (SiC)
Category
Browse mineral like industrial smelting waste specimens identified by the Rock Identifier community.
Carborundum (Silicon Carbide)
Silicon carbide (SiC)
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Orange glassy slag (industrial by-product)
Iron-rich silicate glass; composition varies, commonly Fe–Ca–Al silicate
Quartz (Engineered Quartz Surface)
Silicon Dioxide (SiO2) based composite
Banded Iron Formation (BIF)
Banded Iron Formation (Magnetite-Hematite-Chert)
Ferrosilicon Slag (Industrial Vitrified Glass)
Vitreous Silicate Residue
Iron Slag
Anthropogenic Vitreous Silicate (Byproduct of Smelting)
Blue Glass or Slag Glass
Amorphous Silica (Anthropogenic Glass)
Nickel coin (U.S. currency)
Cupronickel (75% Copper, 25% Nickel alloy)
Gold in Quartz
Hydrothermal Quartz with Native Gold (SiO2 with Au)
Slag Glass
Silicon dioxide with impurities
Concrete
Anthropogenic Sedimentary Conglomerate (Cement mixture: typically Ca2SiO4, Ca3SiO5, Ca3Al2O6)
Asphalt Concrete
Bituminous Concrete / Asphaltic Composite
Fluorite (left), Sodalite (middle), Dumortierite/Tumbled Quartzite (right)
Calcium Fluoride (CaF2), Sodium Aluminum Silicate Chloride (Na8(Al6Si6O24)Cl2), Aluminum Borosilicate (Al7(BO3)(SiO4)3O3)
Cupronickel (on a 1981 Mexico 20 Pesos coin)
Copper-Nickel Alloy (Cu75Ni25)
Pegmatitic Granite
Granite with Orthoclase Feldspar and Quartz (SiO2, KAlSi3O8)
South Korean 100 Won Coin (Cupronickel)
Cupronickel Alloy (75% Cu, 25% Ni)
Fluorite (likely Fluorite on Quartz/Matrix)
Calcium Fluoride (CaF2)
Aluminum Slag
Anthropogenic Aluminum (Al)
Blue Slag Glass
Ferro-silicate glass (Slag)
Limonite (Iron Ore)
FeO(OH)·nH2O (Hydrous ferric oxide)
Copper Ore / Altered Granodiorite
Cupriferous rock with silicate gangue
Likely weathered metallic mineral or slag fragment
Uncertain; possibly limonite/goethite-coated iron mineral, or industrial iron slag
Native Copper (in coinage alloy)
Copper (Cu)
Green Obsidian Sphere (man-made glass)
Vitreous Silica with Chromium/Iron additives
Slag (Industrial By-product)
Glassy silicate or metallic smelting residue
Slag (Industrial Glassy Byproduct)
Anthropogenic silicate byproduct (Slag)
Fluorite (often referred to as Rainbow Fluorite)
Fluorite (Calcium Fluoride, CaF2)
Iron Ore (Goethite and Hematite)
Iron Oxyhydroxide (α-FeO(OH)) and Iron(III) oxide (Fe2O3)
Copper slag or vesicular basalt with copper minerals
Industrial slag / Basaltic matrix with secondary copper minerals
Slag Glass
Amorphous Silica / Glass Slag
Iron Slag
Anthropogenic Iron oxide/Silicate composite
Chert (Green variety)
Silicon Dioxide (SiO2)
Asphalt (Bituminous Concrete)
Composite material (bitumen binder with mineral aggregate)
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Man-made)
Cullet (Slag Glass)
Amorphous Silica (SiO2) with various metal oxide colorants
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
Vesicular basalt (possibly industrial slag)
Basalt, chiefly plagioclase + pyroxene ± olivine; exact identification is uncertain from the image
Slag
Metallurgical Slag
Blue-green slag glass or chalcedony-like material
Likely industrial glassy slag; exact identification requires testing
Anthracite Coal
Anthracite
Likely iron-rich laterite or limonite/goethite nodule
Hydrated iron oxides, chiefly limonite (FeO(OH)·nH₂O) and/or goethite (FeO(OH))