Copper-bearing Quartz (with Malachite and Iron Oxides)
Quartz (SiO2) with Malachite (Cu2CO3(OH)2) and Hematite/Limonite (Fe2O3)
Category
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
Copper-bearing Quartz (with Malachite and Iron Oxides)
Quartz (SiO2) with Malachite (Cu2CO3(OH)2) and Hematite/Limonite (Fe2O3)
Milky Quartz
Silicon Dioxide (SiO2)
Gold Nugget Jewelry
Native Gold (Au)
Gold Flake
Native Gold (Au)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite (on Quartz/Host Rock)
Iron Sulfide (FeS₂)
Synthetic Zinc/Polycarbonate Composite (Bey-specimen)
Zinc Alloy (Zamak 3) with Polycarbonate (C15H16O2)n Overlay
Pyrite
Iron Sulfide (FeS2)
Gold
Native Gold (Au)
Michigan Float Copper
Native Copper (Cu)
Buffalo Nickel (Indian Head Nickel)
Cupronickel (75% Copper, 25% Nickel)
Milky Quartz
Silicon Dioxide (SiO2)
Olivine (Peridot)
Magnesium Iron Silicate (Mg,Fe)2SiO4
Jadeite and Mixed Gemstones (Ruby, Sapphire, Emerald)
Jadeite (NaAlSi2O6), Corundum (Al2O3), Beryl (Be3Al2(Si6O18))
Smoky Quartz
Silicon Dioxide (SiO₂)
Peach Moonstone
Potassium Aluminum Silicate (KAlSi3O8); variety of Orthoclase Feldspar
Pyrite (Iron Pyrites)
Iron Sulfide (FeS2)
Pyrite (on a metal substrate)
Iron Sulfide (FeS2)
Slag (Industrial Glass Slag)
Amorphous Silicate Glass (often containing Al, Ca, Mg, and Ti oxides)
Aura Quartz (Pink/Rose Aura Quartz)
Silicon Dioxide (SiO2) bonded with Platinum and/or Silver
Pyrope Garnet (Bohemian Garnets)
Pyrope (from the group Mg3Al2(SiO4)3)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Black Onyx
Onyx (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Gold Nugget
Native Gold (Au)
Quartzite Cobble
Metamorphosed Quartz Sandstone (primarily SiO2)
Zircon
Zirconium Silicate (ZrSiO₄)
Celestite (Celestine)
Strontium sulfate (SrSO4)
Slag (Industrial Glassy Byproduct)
Anthropogenic silicate byproduct (Slag)
Aqua Aura Quartz
Titanium/Gold-coated Silicon Dioxide (SiO2)
Opalite
Synthetic Opalised Glass
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Pallasite Meteorite
Pallasite (Iron-Nickel Matrix with Olivine/Peridot inclusions)
Gold Nugget
Native Gold (Au)
Copper Nugget
Native Copper (Cu)
Green Aura Quartz
Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
Gold in Quartz
Hydrothermal Quartz with Native Gold (SiO2 with Au)
Quartzite with vugs/druzy quartz
Crystalline Silicon Dioxide (SiO2)
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)