Nickel
Nickel (Ni)
mineral
Category
Mineral (Processed Metal)
Browse mineral (processed metal) specimens identified by the Rock Identifier community.
Learn about Mineral (Processed Metal) in the encyclopedia
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Quartz Vein in Host Rock
Silicon Dioxide (SiO2) in matrix
mineral/igneous
Serpentinite
Serpentinite (composed primarily of Serpentine-group minerals: (Mg,Fe,Ni,Al,Zn,Mn)2-3(Si,Al,Fe)2O5(OH)4)
metamorphic
Limonite with Hematite
Hydrated iron(III) oxide-hydroxide with variable composition (FeO(OH)·nH2O)
mineral
Gold Nugget
Native Gold (Au)
mineral
Bornite
Copper Iron Sulfide (Cu5FeS4)
mineral
Limonite (Iron Ore)
Hydrated iron(III) oxide-hydroxide (FeO(OH)·nH2O)
mineral理论上属于沉积成因
Quartz with Chlorite / Greenschist
Quartz vein in Greenschist (SiO2 with Chlorite group minerals)
metamorphic
Yellow faceted gemstone earrings, likely citrine or yellow beryl
Citrine: quartz, SiO₂; possible yellow beryl: Be₃Al₂Si₆O₁₈
gemstone
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gold Nugget Jewelry
Native Gold (Au)
mineral
Gold Flake
Native Gold (Au)
mineral
Goldstone
N/A (Synthetic Glass with Copper Inclusions)
Manufactured Glass
Sphalerite
Zinc Sulfide (ZnS)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Granodiorite
Granodiorite (containing Quartz, Plagioclase Feldspar, Biotite, and Hornblende)
igneous
United States Quarter Dollar
Cupronickel Clad Alloy (75% Copper, 25% Nickel over a 100% Copper core)
Metal / Man-made mineral-like object
Polished red gemstone pendant, likely red jasper or brecciated jasper
Jasper: microcrystalline quartz (SiO₂), commonly with hematite or iron-oxide inclusions
metamorphic
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
mineral
Peridot gemstone pendant
Olivine, gem-quality forsteritic olivine (approximately (Mg,Fe)₂SiO₄)
gemstone
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
mineral
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
mineral
Opalite
Synthetic Opalite (Man-made glass)
mineral
Schist with Quartz Veins
Schist with Quartz (SiO2)
metamorphic
Olivine (Peridot)
Magnesium Iron Silicate (Mg, Fe)2SiO4
mineral
Mica-rich schist
Muscovite–biotite schist, commonly quartz-bearing
metamorphic
Pegmatite with Lepidolite and Feldspar
Pegmatite (containing K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 and KAlSi3O8)
igneous
Pyrite
Iron Sulfide (FeS2)
mineral
Olivine in Basalt matrix
Olivine (Magnesium Iron Silicate - (Mg, Fe)2SiO4)
igneous
Pallasite Meteorite
Pallasite (Iron-Nickel Matrix with Olivine/Peridot inclusions)
Mineral / Extraterrestrial Rock
Rose Quartz
SiO2 (Crystalline Quartz with trace inclusions)
mineral
Smoky Quartz
Silicon Dioxide (SiO₂)
mineral
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8); variety of Orthoclase Feldspar
mineral
Gold Nugget
Native Gold (Au)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Milky Quartz
Crystalline Silicon Dioxide (SiO2)
mineral
Lepidolite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2)
mineral
Quartzite with Hematite staining
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Michigan Float Copper
Native Copper (Cu)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Diamond (Cut Gemstones in Jewelry)
Carbon (C)
gemstone
Pyrope Garnet (Bohemian Garnets)
Pyrope (from the group Mg3Al2(SiO4)3)
mineral