Pallasite Meteorite
Pallasite (ST-class)
mineral
Category
Metal
Browse metal specimens identified by the Rock Identifier community.
Metal Chain Belt with Square Plates
Not applicable (man-made)
Man-made Object (Metalwork)
Ring with an Orange Inlay
N/A (Man-made object)
Man-made Object (Ring)
Ferruginous Sandstone (Gozzan)
Iron-rich clastic sedimentary rock with Limonite/Goethite
sedimentary
Gold (10K Alloy)
Aurum (Au) with alloying metals (Cu, Ag, Zn)
mineral
Slag (Industrial)
N/A (Anthropogenic Slag)
industrial by-product
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Iron Slag
Anthropogenic Vitreous Ferrous Silicate
industrial byproduct (anthropogenic)
Slag
Anthropogenic Vitrification Product / Silicate Slag
Anthropogenic (Man-made industrial byproduct)
Aluminum Slag
Anthropogenic Aluminum (Al)
mineral
Zinc Alloy (Silver-plated)
Zinc Alloy Casting (Zn-Al-Mg-Cu)
mineral (refined metal)
Native Copper
Native Copper (Cu)
mineral
Bismuth Crystal
Bismuth (Bi)
mineral
Man-made Metal Pin (Non-geological)
Antimony-Lead Alloy or Zinc/Brass Base with Electroplating
Metal Alloy / Manufactured Artifact
Native Copper with Cuprite and Quartz
Copper (Cu), Cuprite (Cu2O), Quartz (SiO2)
mineral
Silver (Sterling Silver)
Argentum (Ag) mixed with Copper (Cu); Formula: Ag+Cu
mineral
Diamond (in jewelry)
Carbon (C)
mineral
Slag (Industrial Glassy Byproduct)
Ferro-silicate Slag
Anthropogenic / Non-Natural
Gold Nugget
Native Gold (Au)
mineral
Metal Chain (Likely Steel or a Steel Alloy)
Steel (primarily iron and carbon); specific alloy unknown
Man-made Object (Metal/Alloy)
Pallasite Meteorite
Pallasite (Stony-iron meteorite; Fe-Ni alloy with (Mg,Fe)2SiO4 olivine)
Mineral/Extraterrestrial Rock
Limonitic Gossan
Goethite/Limonite aggregate after sulfide
igneous and metamorphic derivative (weathered)
Native Silver
Silver (elemental Ag)
mineral
Schist (Diamond Drill Core)
Mica Schist
metamorphic
Gold (Elemental Metal)
Gold (Au)
Mineral
Slag (Industrial Byproduct)
Ferrous/Non-ferrous Silicate
igneous (artificial/anthropogenic)
Silver (Jewelry Specimen)
Native Silver (Chemical Formula: Ag)
mineral
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Metal Alloy (Likely Pewter or Sterling Silver)
Not a natural geological specimen; composed of refined metals. If pewter, it's a tin-based alloy. If sterling silver, it's 92.5% silver and 7.5% other metals (usually copper).
Man-made material (metal)
Man-made Blank Ammunition (Brass)
CuZn (Cartridge Brass - roughly 70% Copper, 30% Zinc)
Anticrystalline / Synthetic Alloy
The user-provided image does not contain a rock or mineral specimen
N/A
Quartz Vein in Host Rock
Hydrothermal Quartz (SiO2) in Slates/Schists
metamorphic
Silver (Native Element)
Ag (Argentum) - 90% Silver, 10% Copper alloy in specimen
mineral
Metal Alloy (Jewelry)
Not a naturally occurring rock or mineral; likely a metal alloy for jewelry. Possible compositions include sterling silver (92.5% silver, 7.5% copper), or other silver/gold alloys.
Man-made Material (jewelry, metal alloy)
Iron Slag
Anthropogenic Iron Silicate
industrial byproduct
Marble
Recrystallized Calcite (CaCO3)
metamorphic
Bauxite
Bauxite (mixture of hydrous aluminum oxides: Al(OH)3 & AlO(OH))
sedimentary
Bauxite
Bauxite (Al(OH)3, AlO(OH))
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Diamond Plate (Steel)
Alloyed Carbon Steel or Aluminum with 'Durbar' pattern
not a rock (Man-made industrial metal)
Green Aura Quartz (Titanium treated Kyanite or Quartz)
Silicon Dioxide (SiO2) or Aluminum Silicate (Al2SiO5) with Titanium/Metal Oxide coating
mineral (man-made aura treatment)
Quartz Vein in Host Rock (Gneiss/Schist)
Silicon Dioxide (SiO2) within a metamorphic matrix
metamorphic