Pyrite
Iron Disulfide (FeS2)
mineral
Category
Anthropic Metallic Specimen
Browse anthropic metallic specimen specimens identified by the Rock Identifier community.
Rutilated Quartz (beads)
SiO2 with TiO2 inclusions (Titanium Dioxide inclusions within Quartz)
Mineral
Gold Grain
Native Gold (Au)
mineral
Fluorite
Calcium Fluoride (CaF2)
mineral
Iron-Nickel Meteorite (Possible Chondrite or Oxidized Iron)
Siderite (Nickel-Iron) or Chondrite (Si/Fe composite)
igneous
Limonite (Iron Ore/Hydrated Iron Oxide)
Limonite (mixture of FeO(OH)·nH₂O minerals, mainly Goethite, FeO(OH) and Lepidocrocite, FeO(OH))
Mineral
Moonstone with Black Tourmaline
Orthoclase (KAlSi3O8) with Schorl inclusions (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Aura Quartz
Titanium or Gold bonded Silicon Dioxide (SiO2)
mineral
Sunstone
(Ca,Na)(Al,Si)4O8 (Oligoclase or Andesine)
mineral
Basalt (Crushed Stone)
Basalt
igneous
Silicon Carbide (Carborundum)
Silicon Carbide (SiC) / Moissanite (natural)
mineral
Iron Meteorite
Iron-Nickel Meteorite (Siderite)
meteorite
Gold Sheen Obsidian
Volcanic Glass (SiO2 + impurities)
igneous
Sandstone (with possibly iron oxides and other minerals)
Sandstone
Sedimentary rock
Pyrite
Iron Sulfide (FeS2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Hematite Pebble
Hematite (Alpha Fe2O3)
mineral
Iron Ore (Limonite and Hematite)
Goethite/Limonite (FeO(OH)·nH2O) and Hematite (Fe2O3)
mineral
Basalt
Basalt
igneous
Basalt
Basalt
igneous
Basalt
Mafic Volcanic Rock
igneous
Greisen (Quartz-Muscovite-Turretine Rock)
Greisen
Metamorphic Rock
Pyrite
Iron Disulfide (FeS2)
mineral
Aura Quartz Geodes (Lab-Altered)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition
mineral
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Aura Quartz / Rainbow Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold) Cube
Iron Sulfide (FeS2)
mineral
Basalt (potential Glacial Erratic)
Extrusive Mafic Volcanic Rock (Basalt)
igneous
Limonite or Ironstone Nodule
FeO(OH)·nH2O (Hydrated iron(III) oxide-hydroxide)
sedimentary
Pyritic Gneiss
Metamorphic Gneiss with Pyrite inclusions
metamorphic
Rainbow Fluorite
Fluorite (Calcium Fluoride, CaF2)
mineral
Bornite (Peacock Ore)
Bornite (Copper iron sulfide - Cu5FeS4)
mineral
Ironstone Concretion (Limonite/Goethite)
Ferruginous concretion (Fe2O3·nH2O)
sedimentary
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Sunstone
(Ca,Na)((Al,Si)2Si2O8) - Plagioclase Feldspar
mineral
Copper and Quartz beads
Native Copper (Cu) and Crystalline Quartz (SiO2)
mineral
Pyrite in Quartzite/Graphite Matrix
Iron Sulfide (FeS2)
Mineral
Arsenopyrite with Quartz
Arsenopyrite (FeAsS)
mineral
Aura Quartz (Titanium/Gold coated)
Silicon Dioxide (SiO2) with metallic vapor deposition
mineral
Ammonite Fossil
Ammonitida (Extinct subclass of Cephalopoda)
sedimentary
Fluorite
Calcium Fluoride (CaF2)
mineral