Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Category
Browse metal (elemental mineral) specimens identified by the Rock Identifier community.
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Note: Item is not a geological specimen
Guitar Components (Steel, Nickel, Plastic, Wood)
Gold Nugget
Native Gold (Au)
Green Aura Quartz
Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)
Copper Nugget
Native Copper (Cu)
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)
Pallasite Meteorite
Pallasite (Iron-Nickel Matrix with Olivine/Peridot inclusions)
Red Cubic Zirconia (Simulated Garnet)
Zirconium Dioxide (ZrO2)
Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidote and Quartz)
Cubic Zirconia (Man-made)
Cubic Zirconia (ZrO2) with Enamel and Metal Alloy
Quartzite
Quartzite (primarily SiO2)
Biotite Gneiss
Gneiss (complex mixture including Biotite K(Mg,Fe)3AlSi3O10(F,OH)2 and Quartz/Feldspar)
Diamond (in a metal ring setting)
Diamond (Pure Carbon, C)
Slag
Anthropogenic Vitrophyre (Iron or Smelting Slag)
Milky Quartz
Silicon Dioxide (SiO2)
Olivine (Peridot)
Magnesium Iron Silicate ((Mg, Fe)2SiO4)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
Blue Calcite
Calcium Carbonate (CaCO3)
Titanium Coated Kyanite (Aura Kyanite)
Aluminosilicate (Al2SiO5) with a Titanium-Niobium vacuum-deposited coating
Copper-bearing Quartz (likely Malachite on Quartz matrix)
Cu2CO3(OH)2 (Malachite) on SiO2 (Quartz)
Transit Token (RTD Denver)
Nickel-plated brass or bronze alloy (Cu-Sn-Zn-Ni)
Quartz Vein in Host Rock (Pebble)
Quartz (SiO2) with sandstone or siltstone matrix
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
Blue Sapphire
Corundum (Al2O3 with trace amounts of iron and titanium)
Amethyst
SiO2 (Silicon Dioxide with Iron impurities)
Granite featuring Quartz Vein
Granite with hydrothermal silica (SiO2) intrusion
Dyed Blue Agate (Slab)
Agate (Variety of Chalcedony/Microcrystalline Quartz), SiO2
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Pyrite
Iron Disulfide (FeS2)
South Korean 100 Won Coin (Cupronickel)
Cupronickel Alloy (75% Cu, 25% Ni)
Gold Ore in Quartz
Native Gold (Au) in Quartz (SiO2)
Sea Glass (Teal/Turquoise)
Amorphous Silica (SiO2) with trace metal oxides
Diamond (in a jewelry setting)
Carbon (C)
Iron Slag
Anthropogenic Iron oxide/Silicate composite
Goldstone
Not a natural mineral or rock. It is an ornamental glass.
Lepidolite
K(Li,Al)3(Al,Si,Rb)4O10(F,OH)2 (Lithium-bearing Mica)
Slag (Industrial Glass Slag)
Amorphous Silica / Ferro-silicate Slag
Titanium Coated Aura Quartz (Apple Aura Quartz)
Silicon Dioxide (SiO2) with Metallic Vapor Deposition Coating
Granite
Plutonic Igneous Rock (composed primarily of Quartz, Feldspar, and Mica)
Native Gold Nugget
Native Gold (Au)