Green Fluorite
Calcium Fluoride (CaF2)
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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Peridot
Olivine ((Mg,Fe)2SiO4)
Mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Quartzite (Milky or Cloudy Quartz variant)
Silicon Dioxide (SiO2)
metamorphic
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Peridot gemstone pendant
Olivine, gem-quality forsteritic olivine (approximately (Mg,Fe)₂SiO₄)
gemstone
Likely iron meteorite or meteorite fragment
Unclassified meteoritic iron–nickel alloy, possibly an iron meteorite
meteorite
Chalcopyrite (Peacock Ore)
Copper Iron Sulfide (CuFeS2)
mineral
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral
Blue tumbled stone, possibly sodalite
Likely sodalite (Na₈(Al₆Si₆O₂₄)Cl₂); identification is uncertain from the image
mineral
Chalcopyrite
CuFeS2 (Copper Iron Sulfide)
mineral
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
mineral
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Concretion
Sedimentary Concretion
sedimentary
Slag Glass
Amorphous Silicate (Man-made)
industrial byproduct
Slag Glass
Vitreous Silicate Residue
industrial byproduct (anthropogenic rock)
Quartzite
Quartzite (SiO2)
metamorphic
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Olivine
(Mg, Fe)2SiO4
Mineral
Iron-rich meteorite candidate
Unclassified stony-iron or iron meteorite; possible weathered ordinary chondrite
meteorite
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Slag Glass (Cullet)
Amorphous Silica (man-made), primarily SiO2 with trace metal oxides
Mineraloid / Synthetic Glass
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Mineral
Quartzite pebble
Quartzite (SiO2)
metamorphic
Green Slag Glass
Amorphous Silica Glass (Anthropogenic)
Industrial byproduct (often mistaken for obsidian or mineral)
Slag
industrial by-product
Green Slag Glass
Amorphous Silicon Dioxide (with metallic impurities)
Igneous (Anthropogenic)
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)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
mineral
Graphite
Graphite (Native Carbon), Formula: C
Metamorphic
Cullet Glass (Man-made Glass Slag)
Amorphous Silica (SiO2) with chemical additives
Mineraloid
Peridot
Olivine ((Mg,Fe)2SiO4)
mineral
Sodalite
Sodalite, Na8(Al6Si6O24)Cl2
mineral
Olivine in Quartz/Feldspar Matrix (Peridotite or Granitic Pegmatite)
(Mg,Fe)2SiO4 (Olivine) with Quartz / Feldspar
igneous
Likely magnetite-rich iron ore
Magnetite (Fe₃O₄), possibly in a dense massive ironstone matrix
mineral
Quartzite (or Pink Quartz)
Silicon Dioxide (SiO2)
metamorphic