Serpentine (Green Jasper variety)
Antigorite/Chrysotile, Mg3Si2O5(OH)4
Category
Browse industrial byproduct (often confused with igneous rocks or meteorites) specimens identified by the Rock Identifier community.
Serpentine (Green Jasper variety)
Antigorite/Chrysotile, Mg3Si2O5(OH)4
Quartzite (specifically a river-worn cobble)
Quartzite (primarily Silicon Dioxide, SiO2)
Sodalite
Sodalite (Na8Al6Si6O24Cl2)
Quartzite
Quartzite (primarily SiO2)
Nickel
Nickel (Ni)
Blue Apatite
Apatite - Ca5(PO4)3(F,Cl,OH)
Native Gold (in the form of jewelry)
Gold (Au)
Olivine (Peridotite / Dunite Pebble)
(Mg,Fe)2SiO4 (Magnesium Iron Silicate)
Peridot (Gem-quality Olivine)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Chalcopyrite
CuFeS2
Scoria (Lava Rock)
Vesicular Basalt / Scoria
Peridot
Olivine (Magnesium Iron Silicate), (Mg, Fe)2SiO4
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Sodalite
Na8(Al6Si6O24)Cl2 (Sodium Aluminum Silicate Chloride)
Pink Quartzite
Quartzite (primarily SiO2)
Arfvedsonite
Arfvedsonite [Na3(Fe2+)4Fe3+Si8O22(OH)2]
Bismuth
Bismuth (Bi)
Ironstone Concretion (Limonite/Goethite)
Ironstone (primarily FeO(OH)·nH2O)
Quartzite
Metamorphosed Quartz Sandstone
Peridot
Olivine ((Mg,Fe)2SiO4)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Eclipse Stone (Kabamba Jasper)
Rhyolite with Aegirine (NaFe3+Si2O6)
Pyrite
Iron Sulfide (FeS2)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Chalcopyrite
Chalcopyrite (CuFeS2)
Blue Apatite
Apatite-(CaF), Ca5(PO4)3F (Calcium Fluorophosphate)
Blue Apatite
Apatite group (Ca5(PO4)3(F,Cl,OH))
Pyrite
Iron Sulfide (FeS2)
Raw Corundum (Sapphire/Ruby variant)
Aluminum oxide (Al2O3)
Ruby (Raw Corundum)
Al2O3 (Aluminum Oxide)
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Amazonite
Microcline (KAlSi3O8) with trace lead (Pb)
Pyrite
Iron Sulfide (FeS2)
Lunar Meteorite (Feldspathic Breccia)
Achondrite, Lunar Meteorite (Feldspathic Breccia)
Sodalite
Sodalite (Sodium Aluminum Silicate Chloride) - Na8(Al6Si6O24)Cl2
Pyrite
Iron Disulfide (FeS2)
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Serpentine
Antigorite, Lizardite, or Chrysotile (Mg, Fe)3Si2O5(OH)4
Blue Apatite
Fluorapatite (Ca5(PO4)3F)
Sodalite
Na8(Al6Si6O24)Cl2