Weathered iron-rich rock, possibly meteorite
Uncertain; likely goethite/hematite-rich material, with meteorite possibility
mineral
Category
Meteorite
Browse meteorite specimens identified by the Rock Identifier community.
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Black Diamond (Carbonado)
Carbonado (Polycrystalline Diamond)
gemstone
Ferruginous Sandstone (Gozzan/Ironstone)
Arenite with Limonite/Goethite cement (FeO(OH)·nH2O)
sedimentary
Gold Nugget
Native Gold (Au)
mineral
Gold Ore (Lode Gold)
Native Gold (Au) in Matrix
mineral
Gold Nugget
Native Gold (Au)
mineral
Slag (Industrial Glass/Metal)
Ferrous slag or Glassy silicate byproduct
Antropogenic rock (Man-made)
Lunar Feldspathic Breccia
Lunar Meteorite (Feldspathic Regolith Breccia)
igneous
Likely hematite-rich ironstone or metallic mineral fragment
Hematite (Fe₂O₃), possibly with magnetite (Fe₃O₄) or metallic iron
mineral
Basalt with Fusion Crust (Meteorite-like appearance)
Vesicular Basalt
igneous
Ferrous Slag
Fused calcium-iron silicates (Industrial Slag)
Anthropogenic/Industrial byproduct
Iron Slag
Iron smelting byproduct (Glassy/vesicular silicate)
anthropogenic / industrial byproduct
Ferruginous Slag (Iron Smelting Byproduct)
Anthropogenic Vitreous Silicate (often containing Fayalite: Fe2SiO4)
Mineraloid/Anthropogenic (Technofossil)
Slag (Industrial Glass/Glassy Rock)
Anthropogenic Vitreous Material
igneous
Ironstone Concretion (Limonite/Goethite)
Ironstone (primarily FeO(OH)·nH2O)
sedimentary
Iron-rich concretion (probable limonite/goethite concretion)
Hydrated iron oxides, chiefly limonite (FeO(OH)·nH₂O) and goethite (FeO(OH))
sedimentary
Tektite (Indochinite)
Tektite (Silica-rich natural glass)
mineral
Weathered iron-rich rock (likely basalt or ironstone)
Probable altered basalt; exact identification requires testing
igneous
Silicon (Industrial Grade)
Elemental Silicon (Si)
mineral
Gold Nugget
Native Gold (Au)
mineral
Gold Nugget
Native Gold (Au)
mineral
Vesicular Basalt (Iron Scoria)
Aphanitic Mafic Igneous Rock with Vesicular Texture
igneous
Tektite (Indochinite)
Tektite (High-silica impact glass)
igneous
Tektite (Indochinite)
Tektite - High-silica amorphous glass (SiO2 + Al2O3)
mineraloid
Fossiliferous limestone (likely ammonite/gastropod-bearing)
Bioclastic limestone; predominantly calcite (CaCO₃)
sedimentary
Tumbled or cut iron-rich mineral specimen
Likely limonite/goethite (hydrated iron oxides), possibly weathered hematite
mineral
Chondrite Meteorite Fragment
Ordinary Chondrite (L or H type)
igneous
Small brown-gray mineral fragment
Indeterminate; possibly weathered quartz-, feldspar-, or iron-oxide-bearing rock
mineral
Iron Meteorite (Candidate)
Siderite (Meteoric Iron)
igneous
Possible tektite or volcanic glass specimen
Natural silica glass; composition commonly near SiO₂, but exact identification requires chemical testing
mineral
Tektite (Indochinite)
Tektite (High-silica natural glass)
mineralogical glass/meteorite impactite
Libyan Desert Glass
Libyan Desert Glass (SiO2 with trace elements)
mineral (impactite)
Libyan Desert Glass
Libyan Desert Glass (Impactite / High-silica Lechatelierite)
mineral
Iron Slag
Iron Slag (Industrial Vitreous Material)
Mineral/By-product
Ironstone Concretion / Goethite Nodules
Ironstone (composed primarily of Goethite FeO(OH) and Limonite)
sedimentary
Micro-Meteorite (Micrometeoroid)
Extraterrestrial Spherule (Silicate or Iron-Nickel)
mineral
Weathered metallic-looking rock, possibly hematite-bearing ironstone
Hematite-rich ironstone; hematite Fe₂O₃, potentially with magnetite Fe₃O₄ and quartz
mineral
Native Gold (in the form of jewelry)
Gold (Au)
mineral
Gossanous Sandstone (likely Terrestrial)
Arenite with Iron-Oxide inclusions
sedimentary
Moldavite
Moldavite (Silica Glass with impurities)
tektite
Moldavite
Moldavite (Silica-rich glass, SiO2 + Al2O3)
tektite
Tektite (Indochinite)
Tektite (High-silica impact glass)
igneous