Slag
Category
Metal
Browse metal specimens identified by the Rock Identifier community.
Learn about Metal in the encyclopedia
View all →Gemstone Ring
N/A - Set piece of jewelry, likely Amethyst or Garnet with Diamond or CZ
Pallasite Meteorite
Pallasite (ST-class)
Copper
Native Copper (Cu)
Metal Chain Belt with Square Plates
Not applicable (man-made)
Nugget of Native Silver
Native Silver (Ag)
Ring with an Orange Inlay
N/A (Man-made object)
Iron meteorite fragment
Fe-Ni meteorite, likely an iron meteorite or stony-iron fragment
Native copper nugget
Copper (Cu), commonly with cuprite and copper-oxide alteration
Quartz Vein in Host Rock
Silicon dioxide (SiO2) veins in metamorphic/igneous host rock
Aura Quartz (Cranberry or Magenta Aura Quartz)
Silicon dioxide coated with titanium/niobium (SiO2)
Gold (10K Alloy)
Aurum (Au) with alloying metals (Cu, Ag, Zn)
Aura Quartz (Anomalously Coated Quartz)
Silicon Dioxide (SiO2) treated with vaporized metals
Likely small metallic meteorite fragments
Unclassified iron or stony-iron meteorite; mineralogy cannot be confirmed from the image
Slag (Industrial)
N/A (Anthropogenic Slag)
Ferruginous Sandstone (Gozzan)
Iron-rich clastic sedimentary rock with Limonite/Goethite
Slag
Anthropogenic Vitreous Silicate / Ferro-silicate Slag
Aluminum Slag
Anthropogenic Aluminum (Al)
Iron-rich meteorite fragment (probable)
Unclassified meteoritic iron–nickel or stony-iron fragment
Bismuth
Native Bismuth (Bi)
Aluminum Slag
Anthropogenic Aluminum (Al)
Iron Slag
Anthropogenic Vitreous Ferrous Silicate
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
Native Copper
Native Copper (Cu)
Bismuth Crystal
Bismuth (Bi)
Slag
Anthropogenic Vitrification Product / Silicate Slag
Silver Nuggets (Natural or Cast)
Native Silver (Ag)
Native Copper with Cuprite and Quartz
Copper (Cu), Cuprite (Cu2O), Quartz (SiO2)
Silver (Sterling Silver)
Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu
Yellow Beryl
Beryl (Be3Al2(SiO3)6)
Silver
Ag (Native Silver)
Slag Glass
SiO2 (Silicon Dioxide) with impurities
Man-made Metal Pin (Non-geological)
Antimony-Lead Alloy or Zinc/Brass Base with Electroplating
Gold Nugget
Native Gold (Au)
Pallasite Meteorite
Pallasite (Stony-iron meteorite; Fe-Ni alloy with (Mg,Fe)2SiO4 olivine)
Diamond (in jewelry)
Carbon (C)
Aura Quartz
Silicon Dioxide (SiO2) with metallic vapor coating
Copper Ore (Malachite and Azurite stained rock)
Copper-bearing rock with secondary copper carbonates
Bauxite
Aluminium ore consisting largely of the minerals gibbsite Al(OH)3, boehmite γ-AlO(OH) and diaspore α-AlO(OH)
Opalite
Synthetic Opalized Glass / Man-made Glass
Slag (Industrial Glassy Byproduct)
Ferro-silicate Slag
Metal Chain (Likely Steel or a Steel Alloy)
Steel (primarily iron and carbon); specific alloy unknown