Gold Nugget
Gold (Au)
mineral
Category
Man Made Material (Metal)
Browse man made material (metal) specimens identified by the Rock Identifier community.
Learn about Man Made Material (Metal) in the encyclopedia
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Pink Granite
Granite (Phaneritic Quartz-Feldspar rock)
igneous
Iron Slag
Anthropogenic Vitreous Silicate (Byproduct of Smelting)
Mineral-like byproduct
Fluorite
Calcium Fluoride (CaF2)
mineral
Granite Pebble
Granite (composition of Quartz, Alkali Feldspar, and Plagioclase)
igneous
Vanadinite
Pb5(VO4)3Cl
mineral
Lepidolite
K(Li,Al)3(Al,Si,3O10)(F,OH)2
mineral
Quartz Pebble
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Lepidolite Pebble
K(Li,Al)3(Al,Si,3O10)(F,OH)2
mineral
Mineral Sand (Heavy Mineral Sand Concentrate)
Placer deposit concentrate containing minerals such as ilmenite, rutile, zircon, and magnetite
mineral
Lepidolite
K(Li,Al)3(Si,Al)4O10(F,OH)2
mineral
Copper Ore (Malachite and Azurite stained rock)
Cupriferous rock containing secondary copper carbonates
mineral
Lepidolite
K(Li,Al)3(Al,Si,Rb,Cs)4O10(F,OH)2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Goethite / Limonite Gossan
Hydrated Iron Oxide (FeO(OH))
sedimentary
Gossan (with Limonite/Hematite coating)
Ferruginous Gossan (Fe2O3·nH2O / Fe2O3)
sedimentary
Quartzite Pebble
Si02 (Metamorphosed Sandstone)
metamorphic
Zircon
Zircon (Zirconium Silicate - ZrSiO4)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Ferruginous Sandstone (Gritstone)
Clastic sedimentary rock with iron-rich cement (FeO(OH)·nH2O)
sedimentary
Beryl (Aquamarine)
Beryllium aluminum silicate (Be3Al2Si6O18)
mineral
Green Aura Quartz
Silicon Dioxide (SiO2) with Titanium/Metal Vapor Coating
mineral
Granite
Intrusive Igneous Rock
igneous
Gold-Bearing Quartz
Silicon Dioxide with Native Gold (SiO2 + Au)
mineral
Chert (Flint variety)
Chert (Microcrystalline or Cryptocrystalline Quartz), SiO2
sedimentary
Grey Chalcedony
Silicon Dioxide (SiO2)
mineral
Diamond (as featured in jewelry)
Diamond (C - pure carbon)
mineral
Greenstone / Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Native Copper with Malachite/Oxide Coating
Native Copper (Cu)
mineral
Ironstone (Limonite/Goethite Concretion)
Ferruginous Sedimentary Rock (composed of Goethite FeO(OH) and Limonite)
sedimentary
Pyrite in Quartz
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
mineral
Gold Nuggest
Native Gold (Au)
mineral
Native Copper (Penny specimen)
Native Copper (Cu)
mineral
Orange Quartzite / River Pebble
Silicon Dioxide (SiO2) - Recrystallized Sandstone
metamorphic
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Gold
Native Gold (Au)
mineral
Black Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Gold Flakes
Native Gold (Au)
mineral
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Greenstone
Greenschist (composed of actinolite, chlorite, and epidote)
metamorphic