Chalcopyrite
CuFeS2 (Copper Iron Sulfide)
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.
Learn about Industrial Byproduct (Often Confused With Igneous Rocks Or Meteorites) in the encyclopedia
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Quartzite pebble
Quartzite (SiO2)
metamorphic
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Rainbow aura quartz cluster
Quartz, silicon dioxide (SiO₂), artificially coated with a thin metallic film
mineral
Green Slag Glass
Amorphous Silicon Dioxide (with metallic impurities)
Igneous (Anthropogenic)
Green Fluorite
Calcium Fluoride (CaF2)
mineral
Quartzite (or Pink Quartz)
Silicon Dioxide (SiO2)
metamorphic
Slag Glass
Amorphous Silicate (Man-made)
industrial byproduct
Rhodonite
Manganese Inosilicate (Mn,Fe,Mg,Ca)SiO3
mineral
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Olivine in Basalt (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4 (Mineral) within Basalt (Rock)
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Slag
industrial by-product
Apatite
Apatite group mineral (e.g., Fluorapatite - Ca5(PO4)3F, Chlorapatite - Ca5(PO4)3Cl, Hydroxylapatite - Ca5(PO4)3(OH))
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Slag Glass (Cullet)
Amorphous Silica (man-made), primarily SiO2 with trace metal oxides
Mineraloid / Synthetic Glass
Olivine (Peridotite)
Magnesium iron silicate (Mg, Fe)2SiO4
igneous
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Olivine in Basalt matrix
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Green Slag Glass
Amorphous Silica Glass (Anthropogenic)
Industrial byproduct (often mistaken for obsidian or mineral)
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Green Slag Glass (Cullet)
Amorphous Silica (Industrial Glass Byproduct)
Synthetic/Byproduct (Non-igneous, non-sedimentary, non-metamorphic)
Yellow Quartz (Citrine/Yellow Jasper Pebble)
Silicon Dioxide (SiO2)
sedimentary
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Man-made)
mineraloid
Olivine
(Mg, Fe)2SiO4
Mineral
Quartz Matrix with Iron Staining / Mica Schist
Silicon Dioxide (SiO2) with Iron Oxide staining
mineral
Peridot (Olivine)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Slag
Ferrous slag (by-product of iron smelting)
Mineraloid / Anthropogenic
Peridot in Basalt
Olivine ((Mg, Fe)2SiO4) in Basalt
mineral
Cullet Glass (Man-made Glass Slag)
Amorphous Silica (SiO2) with chemical additives
Mineraloid
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Anthracite Coal with Sulfur staining
Anthracite (Carbon C with impurities)
metamorphic
Tumbled blue stone, likely sodalite
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂; possibly blue calcite or dyed material
mineral
Peridot
Olivine ((Mg,Fe)2SiO4)
mineral