Silver (Jewelry Specimen)
Native Silver (Chemical Formula: Ag)
mineral
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
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Granite
Intrusive Igneous Rock
igneous
Aura Quartz (Titanium/Gold coated)
Silicon Dioxide (SiO2) with metallic vapor deposition
mineral
Chalcopyrite in Quartz (Gold-bearing Ore)
CuFeS2 (Chalcopyrite)
mineral
Quartz vein in Schist
Crystalline Silicon Dioxide (SiO2) in Metamorphic Host
metamorphic
Vanadinite
Pb5(VO4)3Cl
mineral
Uncertain small metallic-looking mineral/rock fragment
Indeterminate; possibly galena-bearing rock or metallic slag
mineral
Rose Quartz
Silicon Dioxide (SiO2) with trace Titanium, Manganese, or Iron
mineral
Granite
Plutonic Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Quartz Vein in Basalt or Sedimentary Host Rock
Silica-veined lithic fragment (SiO2 in host matrix)
sedimentary
Red jasper (likely polished and carved)
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
gemstone
Aura Quartz (Coated Quartz)
Silicon Dioxide (SiO2) treated with metallic vapor
mineral
Milky Quartz with Mica Matrix
SiO2 (Silicon Dioxide) with Muscovite/Biotite mica
mineral
Granite
Intrusive Igneous Rock
igneous
Unidentified dark metallic sulfide specimen
Possibly pyrite-, chalcopyrite-, or galena-bearing ore; exact identification requires testing
mineral
Granite
Felsic intrusive igneous rock
igneous
Granite
Felsic intrusive igneous rock
igneous
Gabbro (likely with Pyrite/Sulfide mineralization)
Mafic Intrusive Igneous Rock
igneous
Granite
Intrusive Igneous Rock
igneous
Aura Quartz (Coated Quartz)
Silicon Dioxide (SiO2) coated with vaporized metals
mineral
Celestine (Celestite)
Celestine (Strontium Sulfate, SrSO4)
mineral
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
mineral
Likely iron meteorite fragment
Unclassified Fe–Ni meteorite; possible stony-iron fragment
meteorite
Granite
Intrusive Igneous Rock (Felsic)
igneous
Granite
Intrusive Igneous Rock (composed primarily of quartz, alkali feldspar, and plagioclase)
igneous
Diamond (Cluster Ring)
Carbon (C)
mineral
Cassiterite (Tin Ore)
Cassiterite (Tin(IV) Oxide, SnO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Lepidolite Pebble
K(Li,Al)3(Al,Si,3O10)(F,OH)2
mineral
Copper Ore (Malachite and Azurite stained rock)
Cupriferous rock containing secondary copper carbonates
mineral
Aura Quartz Bead
Silicon dioxide (SiO2) with metal coating
mineral with artificial coating
Metal-rich sulfide ore, likely galena-bearing rock
Galena (PbS) with pyrite/chalcopyrite in a host rock; exact identification requires testing
mineral
Gold Nugget
Gold (Au)
mineral
Granite
Intrusive Igneous Rock
igneous
Gold Nugget
Native Gold (Au)
mineral
Slag (Industrial By-product)
Anthropogenic Vitreous Silica/Iron Silicate
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Limonite (Ironstone)
Limonite (FeO(OH)·nH2O)
mineral
Slag (Industrial Byproduct)
Ferrous/Non-ferrous Silicate
igneous (artificial/anthropogenic)
Lepidolite on Matrix
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
mineral
Sulfide Ore (likely Galena and Sphalerite in Quartz)
Lead-Zinc Ore (PbS and ZnS)
mineral