Green Slag Glass
Cullet (Amorphous Silicon Dioxide with impurities)
Man-made rock-like material
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 Glass (Cullet)
Amorphous Silica / Glass residue
Man-made byproduct (Non-geological)
Lunar Meteorite (Feldspathic Breccia)
Lunar Feldspathic Breccia
igneous
Iron-rich meteorite candidate
Unclassified iron meteorite or stony-iron meteorite; confirmation requires chemical and nickel testing
meteorite
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
mineral
Apatite
Fluorapatite / Chlorapatite (Ca5(PO4)3(F,Cl,OH))
mineral
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
mineral
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
mineral
Biotite or Phlogopite Mica
K(Mg,Fe)3(AlSi3O10)(F,OH)2
mineral
Orange Calcite
Calcium Carbonate (CaCO3)
mineral
Quartzite
Quartzite (SiO₂)
metamorphic
Olivine in Quartz/Feldspar Matrix (Peridotite or Granitic Pegmatite)
(Mg,Fe)2SiO4 (Olivine) with Quartz / Feldspar
igneous
Quartzite
Metamorphosed Quartz Arenite (SiO2)
metamorphic
Blue Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Mineral
Cobalt Blue Glass / Cullet Glass
Silicon dioxide (Amorphous man-made glass)
mineral
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Quartzite (Milky or Cloudy Quartz variant)
Silicon Dioxide (SiO2)
metamorphic
Quartzite
Quartzite (primarily SiO2)
metamorphic
Basalt with Fusion Crust (Meteorite-like appearance)
Vesicular Basalt
igneous
Olivine (Peridot)
Olivine (Magnesium Iron Silicate, (Mg,Fe)2SiO4)
mineral
Quartzite
Quartzite (primarily SiO2)
metamorphic
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Blue Slag Glass
Man-made Silicon Dioxide (Amorphous)
Anthropogenic (Man-made)
Ferro-Manganese Slag
Vitreous Silicate Slag
Anthropogenic (Industrial byproduct)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Olivine in Basalt matrix
Peridotite (Mg, Fe)2SiO4
igneous
Peridot
Olivine ((Mg,Fe)2SiO4)
Mineral
Peridot gemstone pendant
Olivine, gem-quality forsteritic olivine (approximately (Mg,Fe)₂SiO₄)
gemstone
Blue Obsidian (Cullet Glass)
Silicon Dioxide (Amorphous Glass)
mineral
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
mineral
Terracotta (Man-made ceramic brick fragment)
Baked clay / High-iron ceramic (Silicate-based ceramic)
Anthropogenic material (Man-made sedimentary mimic)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Mineral
Sodalite
Na8(Al6Si6O24)Cl2
mineral
Slag Glass
Anthropogenic Amorphous Silicon Dioxide
mineral
Quartzite
Quartzite (SiO2)
metamorphic
Cullet Glass (Slag Glass)
Amorphous Silicon Dioxide (Industrial Byproduct)
mineraloid
Chalcopyrite (Peacock Ore)
Copper Iron Sulfide (CuFeS2)
mineral
Concretion
Sedimentary Concretion
sedimentary
Quartzite
Quartzite (Primary mineral: SiO2)
metamorphic
Blue Apatite
Fluoroapatite (Ca5(PO4)3F)
mineral