Gossan / Iron Ore Rock
Hematite / Goethite / Limonite iron oxide assemblage
mineral
Category
Mineral (Metal)
Browse mineral (metal) specimens identified by the Rock Identifier community.
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Opalite
Synthetic Opalite Glass / Opalized Glass
gemstone
Quartz (Clear or Milky)
Silicon Dioxide (SiO2)
mineral
Native Copper
Native Copper (Cu)
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
Lepidolite
K(Li,Al)3(Al,Si,Rb,Cs)4O10(F,OH)2
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Zircon
Zircon (Zirconium Silicate - ZrSiO4)
mineral
Goethite / Limonite Gossan
Hydrated Iron Oxide (FeO(OH))
sedimentary
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) vein cutting through host rock
mineral
Granite
Intrusive Igneous Rock
igneous
Rose Quartz
Silicon Dioxide (SiO2) with trace impurities of Titanium, Manganese, or Iron
mineral
Aura Quartz (Titanium/Bismuth Coated)
Silicon Dioxide (SiO2) with metallic vapor coating
mineral
Gold Nugget
Native Gold (Au)
mineral
Opalite
Synthetic glass / Opalized glass
gemstone
Copper Ore (with Azurite and Malachite)
Cuprite, Azurite (Cu3(CO3)2(OH)2), Malachite (Cu2(CO3)(OH)2)
mineral
Rhodochrosite (Beads) and Citrine (Pendant)
Rhodochrosite (MnCO3) and Quartz variety Citrine (SiO2)
mineral
Pyrite in Quartz
FeS2 (Iron Pyrite) with SiO2 (Quartz)
Mineral/Igneous/Hydrothermal
Granite
Intrusive igneous rock
igneous
Pink Granite
Granite (Phaneritic Quartz-Feldspar rock)
igneous
Epithermal Gold Ore (in Quartz/Rhyolite matrix)
Auriferous Quartz (Au + SiO2)
mineral
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Gold Flakes
Native Gold (Au)
mineral
Quartz Vein on Matrix
Silicon Dioxide (SiO2)
mineral
Opalite crescent pendant
Opalite (man-made opalescent glass; not a natural mineral)
gemstone
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
metamorphic
Ferrochrome Slag
Anthropogenic slag (Fe-Cr alloy waste)
industrial byproduct
Turquoise cabochon ring
Turquoise — hydrated copper aluminum phosphate, CuAl₆(PO₄)₄(OH)₈·4H₂O
gemstone
Gold Nuggest
Native Gold (Au)
mineral
Gold
Native Gold (Au)
mineral
Silver (Jewelry form)
Native Silver (Ag)
mineral
Sunstone
Plagioclase Feldspar (Na,Ca)(Al,Si)4O8
mineral
Aventurine
Quartz (SiO2) with inclusions of Fuchsite
mineral
Ferruginous Sandstone
Sandstone with Iron Oxide (Limonite/Goethite)
sedimentary
Milky Quartz with Iron Oxide Weathering
Silicon Dioxide (SiO2) with Goethite/Limonite coatings
mineral
Diamond (set in jewelry)
Diamond (Carbon, C)
mineral
Diamond (in a gold ring)
Diamond (pure carbon, C)
mineral
Slag
Metallurgical Slag
igneous
Granite
Felsic intrusive igneous rock
igneous
Quartz Vein in Host Rock
Silicon Dioxide (SiO2) within Sedimentary or Igneous Matrix
igneous