Magnetite (Iron Ore)
Magnetite (Fe3O4)
mineral
Category
Anthropic Metallic Specimen
Browse anthropic metallic specimen specimens identified by the Rock Identifier community.
Magnetite (potentially Hematite-rich)
Magnetite (Fe3O4)
mineral
Basalt River Stone
Extrusive mafic igneous rock (Basalt)
igneous
Gold Nugget
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Biotite Schist (with Garnet and Pyrite)
K(Mg,Fe)3AlSi3O10(OH,F)2 (Biotite focus)
metamorphic
Gold-bearing Quartz
Auriferous Quartz (SiO2 with native Au)
mineral
Native Gold Nuggets
Native Gold (Au)
mineral
Gold in Quartz Matrix
Native Gold (Au) with Quartz (SiO2) and Slate/Shale
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Sunstone
(Ca,Na)((Al,Si)2Si2)O8 (Plagioclase Feldspar)
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Quartz with Chalcopyrite (or Pyrite)
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
mineral
Gold Ore in Quartz
Auriferous Quartz (Gold: Au; Quartz: SiO2)
Mineral
Gold Nugget
Native Gold (Au)
mineral
Quartz with Pyrite
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Magnetite with Serpentine
Magnetite (Fe3O4) in Serpentine Matrix
mineral
Sandstone with Manganese Dendrites/Oxide coatings
Arenite with Pyrolusite and Romanechite (MnO2)
sedimentary
Pyrite (on host rock)
Iron Sulfide (FeS2)
mineral
Fluorite (Green)
Calcium Fluoride (CaF2)
mineral
Silver (Jewelry Specimen)
Native Silver (Ag)
Mineral (Native Element)
Sunstone
Oligoclase (Plagioclase Feldspar) with inclusions - (Ca, Na)((Al, Si)4O8)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Aura Quartz (Pink/Rose Aura Quartz)
Silicon Dioxide (SiO2) bonded with Platinum and/or Silver
mineral
Silicon Carbide (Carborundum)
Silicon Carbide (SiC)
mineral
Tiger Iron
Tiger Iron (composite of Tiger's Eye, Red Jasper, and Hematite)
metamorphic
Gold
Native Gold (Au)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Portable Ceramic Space Heater
Polished Acrylonitrile Butadiene Styrene (ABS) Plastic with Ceramic Heating Elements
not a rock (synthetic/industrial object)
Labradorite
Labradorite (Plagioclase Feldspar Series) - (Ca, Na)(Al, Si)4O8
mineral
Native Copper with Cuprite and Quartz
Copper (Cu), Cuprite (Cu2O), Quartz (SiO2)
mineral
Carborundum (Silicon Carbide)
Silicon Carbide (SiC)
mineral (synthetic)
Slag (Industrial Byproduct)
Artificial silicate/iron byproduct
Mineral description (Anthropogenic material)
Serpentinite (with Pyrite/Garnet inclusions)
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)3Si2O5(OH)4
metamorphic
Green Aventurine
Aventurine Quartz (SiO2 with Fuchsite inclusions)
mineral
Basalt with Sulfide/Pyrite inclusion
Aphanitic Mafic Igneous Rock (likely Basalt) with Pyrite (FeS2)
igneous
Smoky Quartz with Siderite and Pyrite
Silicon Dioxide (SiO2) with Ferrous Carbonate (FeCO3) and Iron Sulfide (FeS2)
mineral
Micro-Meteorite (Micrometeoroid)
Extraterrestrial Spherule (Silicate or Iron-Nickel)
mineral
Botryoidal Hematite (Kidney Ore)
Iron(III) oxide (Fe2O3)
mineral
Gabbro (likely with Pyrite/Sulfide mineralization)
Mafic Intrusive Igneous Rock
igneous