Super Seven (Melody Stone)
Quartz with inclusions (Amethyst, Cacoxenite, Goethite, Lepidocrosite, Rutile, Smoky Quartz, and Clear Quartz)
mineral
Category
Anthropic Metallic Specimen
Browse anthropic metallic specimen specimens identified by the Rock Identifier community.
Pyrite-bearing rock (likely pyrite-rich schist or massive pyrite)
Pyrite, FeS₂, possibly in a micaceous metamorphic matrix
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
metamorphic
Iron-rich rock or weathered metallic mineral specimen
Uncertain; possibly limonite/goethite with iron oxides, or a metallic sulfide such as pyrite/chalcopyrite
mineral
Likely specular hematite
Hematite (Fe₂O₃), probably a micaceous/specular variety
mineral
Moqui Marble
Iron Oxide Concretion (Limonite/Hematite shell with Sandstone core)
sedimentary
Native Copper with Malachite/Oxide Coating
Native Copper (Cu)
mineral
Galena
Galena (lead sulfide, PbS)
mineral
Fluorite on Matrix
Calcium Fluoride (CaF2)
mineral
Basalt
Aphanitic Mafic Igneous Rock
igneous
Ferruginous Quartz (Iron-stained Quartz)
Quartz with Iron Oxide inclusions (SiO2 with Fe2O3)
mineral
Carborundum (Silicon Carbide)
Silicon carbide (SiC)
mineral
Anthracite Coal
Anthracite
sedimentary
Pyrite
Iron Sulfide (FeS2)
mineral
Man-made earbud charging case (Not a rock or mineral)
Acrylonitrile Butadiene Styrene (ABS) Plastic with electronic components
Synthetic/Man-made object
Basalt
Basalt (dominated by Plagioclase and Pyroxene)
igneous
Basalt River Pebble
Basalt
igneous
Basalt River Pebble
Basalt
igneous
Pyrite
Iron Disulfide (FeS2)
mineral
Synthetic Zinc/Polycarbonate Composite (Bey-specimen)
Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay
Anthropogenic Mineral Mimic
Likely galena-bearing ore
Galena (lead sulfide, PbS), possibly with quartz or calcite gangue
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Basalt
Mafic Igneous Rock (primarily Plagioclase and Pyroxene)
igneous
Basalt (River Stone)
Extrusive mafic igneous rock
igneous
Sunstone (Feldspar variety)
(Ca,Na)(Al,Si)4O8 with Hematite or Goethite inclusions
mineral
Gold-bearing quartz vein rock
Quartz (SiO₂) with probable native gold and iron-oxide minerals
mineral
Copper Ore
Cupriferous Rock / Mixed Mineral Matrix
igneous
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Tumbled blue sodalite (probable)
Sodalite, Na₈(Al₆Si₆O₂₄)Cl₂; possibly lapis-lazuli if lazurite is present
mineral
Unidentified weathered mineral/rock fragment
Indeterminate; likely a weathered iron-rich silicate or sulfide-bearing specimen
mineral
Bornite (Peacock Ore)
Bornite (Cu5FeS4)
mineral
Peacock Ore
Bornite (Cu5FeS4) with surface tarnish
mineral
Iron-rich breccia
Hematite–goethite-rich ferruginous breccia, likely a lateritic ironstone
sedimentary
Small dark metallic-looking rock fragment
Undetermined; possibly iron oxide-rich material or a metallic mineral
mineral
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
mineral (refined metal)
Galena
Lead Sulfide (PbS)
mineral
Graphite
Graphite (Native Carbon, C)
metamorphic
Quartz-rich breccia or vein quartz specimen
Microcrystalline and crystalline quartz (SiO₂), possibly with iron-oxide staining and minor sulfides
mineral
Iron-rich hematite/goethite concretion (likely limonite)
Hematite (Fe₂O₃) with goethite (FeO(OH)) and limonite
mineral