Peridot
Olivine (Mg, Fe)2SiO4
mineral
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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Basalt or Slag
Extrusive Igneous Rock / Industrial Slag
igneous
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Iron-Nickel Meteorite
Siderite (Iron Meteorite), primarily Fe-Ni alloy
igneous
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Olivine (Peridotite/Dunite)
Olivine (Mg,Fe)2SiO4 within Peridotite
igneous
Asphalt Conglomerate
Artificial Bituminous Conglomerate
sedimentary
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
mineral
Peridot
Olivine ((Mg, Fe)2SiO4)
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Bronzite
(Mg,Fe)SiO3
Mineral
Zircon
Zircon (Zirconium Silicate, ZrSiO4)
mineral
Blue slag glass / industrial smelter slag
Man-made iron-rich silicate slag; composition variable, commonly Fe–Ca–Mg–Al silicates with glassy phases
mineral
Vesicular Basalt with Oxidized Crust
Vesicular Basalt (Iron-rich extrusive volcanic rock)
igneous
![Arfvedsonite (often mistakenly sold as Astrophyllite) (Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]) — mineral](https://media.rockidentification.com/6e8b521a-e0bc-4cec-8657-2fd2e3051a43-thumbnail.jpg)
Arfvedsonite (often mistakenly sold as Astrophyllite)
Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]
mineral
Blue Apatite
Apatite Group (Ca5(PO4)3(F,Cl,OH))
mineral
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
mineral
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Lunar Meteorite (Feldspathic Breccia)
Lunar Achondrite (Regolith Breccia)
igneous
Peridot
Olivine (Mg, Fe)₂SiO₄
mineral
Blue Slag Glass
Amorphous Silica (Industrial byproduct)
Antropogenic (Man-made glass byproduct)
Slag (Industrial)
N/A (Anthropogenic Slag)
industrial by-product
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
mineral
Olivine (Peridot in gem form)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Iron-rich meteorite candidate
Possibly an iron meteorite or stony-iron meteorite; unverified Fe–Ni alloy
meteorite
Peridot
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
Mineral
Ironstone (Limonite/Hematite)
Ferruginous sedimentary rock (Fe2O3·nH2O / Fe2O3)
sedimentary
Tumbled blue sodalite
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂
mineral
Peridot
Olivine ((Mg, Fe)2SiO4)
mineral
Tektite (likely indochinite)
Natural silica-rich impact glass; predominantly amorphous SiO₂ with aluminum, iron, magnesium, calcium, and sodium
mineral
Olivine (Peridot when gem-quality)
Magnesium Iron Silicate, (Mg,Fe)2SiO4
Mineral
Blue Slag Glass
Amorphous Silica (Byproduct of smelting)
Antropogenic (Man-made)
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Olivine (Peridot when gem-quality)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Likely slag or metallic industrial byproduct
Unidentified iron-rich ferrous slag; possibly magnetite-bearing slag
mineral
Copper slag or vesicular basalt with copper minerals
Industrial slag / Basaltic matrix with secondary copper minerals
igneous
White Topaz
Al2SiO4(F,OH)2 (Aluminium Silicate Fluoride Hydroxide)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Ferro-slag (Leland Blue/Slag Glass)
Anthropogenic Vitreous Silica (Industrial Slag)
igneous
Chalcopyrite (Peacock Ore)
Copper Iron Sulfide (CuFeS2)
mineral