Gold Ore in Matrix
Native Gold (Au) in Quartz/Limonite host rock
Category
Browse mineral (native element) specimens identified by the Rock Identifier community.
Gold Ore in Matrix
Native Gold (Au) in Quartz/Limonite host rock
Gold and Cubic Zirconia (San Judas Tadeo Pendant)
Native Gold (Au) with Synthetic Cubic Zirconia (ZrO2)
Native Gold (in Jewelry form)
Gold (Au)
Native Gold (in the form of jewelry)
Gold (Au)
Fuchsite Quartzite
Fuchsite-bearing Quartzite
Native Gold (in earring form)
Gold (Au)
Sulfur on Aragonite
Sulfur (S) and Aragonite (CaCO3)
Amazonite
Amazonite (KAlSi3O8, a variety of Microcline)
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
Pyrite
Pyrite (Iron Disulfide), FeS2
Black Chert
Chert (microcrystalline quartz)
Turquoise
CuAl6(PO4)4(OH)8·4H2O
Diamond
Carbon (C), specifically a solid form of the element carbon with atoms arranged in a crystal structure called diamond cubic.
Turquoise
Turquoise (Hydrated copper aluminum phosphate, CuAl6(PO4)4(OH)8·4H2O)
Soapstone
Steatite (primarily composed of Talc, Mg₃Si₄O₁₀(OH)₂)
Gold (Processed)
Gold (Au)
Pyrite
Pyrite (Iron sulfide, FeS₂)
Chert (Flint)
Chert (predominantly SiO₂ - silicon dioxide)
Gold (Elemental Metal)
Gold (Au)
Metal Chain Belt with Square Plates
Not applicable (man-made)
Pegmatite (Granitic) with Tourmaline
Granitic Pegmatite (containing Schorl and Quartz)
Pegmatite
Granitic Pegmatite
Pegmatite (with smoky quartz and tourmaline/biotite)
Pegmatitic Granite
Granitic Pegmatite
Granite Pegmatite (coarse-grained intrusive igneous rock)
Pegmatite
Granitic Pegmatite
Granitic Pegmatite
Pegmatitic Granite
Granatic Pegmatite
Pegmatitic Granite
Granitic Pegmatite
Coarse-grained Igneous Rock (Granitic composition: KAlSi3O8, SiO2)
Granite Pegmatite with Tourmaline and Muscovite
Pegmatite (Feldspar: KAlSi3O8, Quartz: SiO2, Schorl: NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH))
Eudialyte in Matrix
Na15Ca6(Fe,Mn)3Zr3(Si,Nb) (Si25O73) (OH,Cl,H2O)3
Pegmatite
Granitic Pegmatite
Eudialyte in Matrix
Eudialyte [Na15Ca6(Fe,Mn)3Zr3(Si25O73)(O,OH,H2O)3(Cl,OH)2]
Granitic Pegmatite
Granite Pegmatite (typically containing Quartz SiO2, Feldspar KAlSi3O8, and Muscovite)
Lepidolite with Quartz
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2
Pegmatite (with Quartz and Feldspar)
Granitic Pegmatite
Gold-bearing Quartz with Pyrite
Quartz (SiO2) with Gold (Au) and Pyrite (FeS2)
Pegmatite (Granitic)
Granitic Pegmatite containing Quartz, Feldspar, and Tourmaline (Schorl)
Quartz with Mica (Pegmatite)
Quartz (SiO2) and Muscovite (KAl2(AlSi3O10)(OH)2)
Granitic Pegmatite
Granite Pegmatite (principally KAlSi3O8, SiO2, and KAl2(AlSi3O10)(OH)2)
Amethyst
Silicon dioxide / Quartz (SiO2+Fe4+)
Rough Green Sapphire (Corundum)
Corundum (Al2O3 - Aluminum Oxide with trace elements)
Lepidolite on Pegmatite
Lepidolite (K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2) in Granitic Pegmatite