Gold Nugget
Native Gold (Au)
mineral
Category
Man Made Material (Jewelry, Metal Alloy)
Browse man made material (jewelry, metal alloy) specimens identified by the Rock Identifier community.
Gold Nugget (Placer Gold)
Native Gold (Au)
mineral
Quartz (in a rock matrix)
Quartz (SiO2)
mineral
Pyrope Garnet
Magnesium aluminum silicate (Mg3Al2Si3O12)
mineral
Native Gold (in Jewelry form)
Gold (Au)
Mineral
Black Tourmaline
Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
mineral
Gold Nugget
Native Gold (Au)
mineral
Pyrite
Iron Disulfide (FeS2)
mineral
Pyrite Geode (Sparkling Druzy)
Iron Sulfide (FeS2) in Sedimentary Nodule
mineral
Specular Hematite (Specularite)
Hematite (Iron(III) oxide) - Fe2O3
mineral
Green Aventurine
Silicon Dioxide (SiO2) with inclusions of Fuchsite mica
metamorphic
Gold Nugget
Native Gold (Au)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Amethyst and Hematite Bracelet
Amethyst (SiO2) and Hematite (Fe2O3)
mineral
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO₂)
Mineral
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Sunstone
Aventurine Feldspar ((Ca,Na)(Al,Si)4O8)
mineral
Gold Flake (Placer Gold)
Native Gold (Au)
mineral
Native Copper within Host Rock
Native Copper (Cu)
Mineral
Silicon Carbide (Carborundum)
Moissanite (SiC), though mostly synthetic
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Green Aventurine (Quartz)
SiO2 (Silicon Dioxide with Fuchsite inclusions)
mineral
Turquoise (with Hematite)
CuAl6(PO4)4(OH)8·4H2O
mineral
Pyrite
Iron Sulfide (FeS2)
mineral
Dendritic Quartz
Silicon Dioxide (SiO2) with Manganese/Iron oxide inclusions
mineral
Hematite (Iron Ore)
Hematite (alpha-Fe2O3)
mineral
Nobby Hematite (Iron Ore)
Hematite (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Granodiorite (foreground) and Rose Quartz (background)
Granodiorite / Quartz (SiO2)
igneous
Jasper
Silicon dioxide (SiO2)
sedimentary
Magnetite (Lodestone)
Magnetite (Fe3O4)
mineral
Pyrite in Matrix (likely Quartz or Schist matrix)
Iron Sulfide (FeS2)
mineral
Pearl
Calcium Carbonate (CaCO3) - mainly Aragonite and Calcite
mineral
Iron-Nickel Meteorite
Siderite (Fe, Ni)
igneous
Green Aventurine
Silicon Dioxide (SiO2) with inclusions (typically Fuchsite)
mineral
Green Aventurine
Silicon dioxide with Fuscite inclusions (SiO2 + K(Al,Cr)2AlSi3O10(OH)2)
mineral
Labradorite (Larvikite variety)
Feldspar (Plagioclase series), (Na,Ca)(Si,Al)4O8
igneous
Hematite
Hematite (Fe2O3)
mineral
Hematite
Iron(III) oxide (Fe2O3)
mineral
Basalt
Basalt (Mafic igneous rock)
igneous
Shungite
Non-crystalline carbon (Fullerenes / Carbon-60)
metamorphic
Native Gold in Quartz
Native Gold (Au)
mineral