Slag Glass
Amorphous Silica Glass (with metal oxide inclusions)
Mineraloid / Industrial Waste
Category
Mineral (Refined Metal)
Browse mineral (refined metal) specimens identified by the Rock Identifier community.
Learn about Mineral (Refined Metal) in the encyclopedia
View all →
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Gold Nugget
Native Gold (Au)
mineral
Copper Nugget
Native Copper (Cu)
mineral
Green Aura Quartz
Silicon Dioxide (SiO2) bonded with metallic vapors (typically Gold, Chromium, or Titanium)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pegmatite (Granitic Pegmatite)
Pegmatite (Quartz + Potassium Feldspar + Mica)
igneous
Granite Pebble
Granite (plutonic igneous rock)
igneous
Slag
Anthropogenic Vitrophyre (Iron or Smelting Slag)
Mineral-like byproduct
Serpentinite
Serpentinite (composed primarily of mineral group (Mg,Fe,Ni,Al)3Si2O5(OH)4)
metamorphic
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Pyrite
Iron disulfide (FeS2)
mineral
Granite
Granite (composed primarily of Quartz SiO2, Potassium Feldspar KAlSi3O8, and Plagioclase Feldspar)
igneous
Quartzite
Quartzite (primarily SiO2)
metamorphic
Dark igneous rock, likely basalt
Basalt; chiefly plagioclase feldspar, pyroxene, and possibly olivine
igneous
Granite / Pegmatite Pebble
Felsic intrusive igneous rock
igneous
Epidosite
Epidosite (Metasomatic rock consisting mainly of Epidote and Quartz)
metamorphic
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
metamorphic
Serpentinite
Serpentinite (composed largely of serpentine group minerals including antigorite, lizardite, and chrysotile)
metamorphic
Quartzite Cobble
Metamorphosed Quartz Sandstone (primarily SiO2)
metamorphic
Opalite
Synthetic Silicon Dioxide (SiO2)
mineral
Diamond
Carbon (C)
gemstone
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)
mineral
Blue Calcite
Calcium Carbonate (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Opalite
Synthetic Opalised Glass
Mineral (Synthetic / Man-made)
Celestite (Celestine)
Strontium sulfate (SrSO4)
mineral
Zircon
Zirconium Silicate (ZrSiO₄)
mineral
Gold in Quartz
Hydrothermal Quartz with Native Gold (SiO2 with Au)
mineral
Sulfidic Mudstone with Pyrite/Goethite
Sulfidic Siltstone/Mudstone (FeS2)
sedimentary
Gold
Native Gold (Au)
mineral
Cubic Zirconia (CZ)
Zirconium dioxide (ZrO2)
mineral
Red Cubic Zirconia (Simulated Garnet)
Zirconium Dioxide (ZrO2)
mineral
Aquamarine (Small Beads)
Beryl (Be3Al2Si6O18 with traces of iron)
gemstone
Diamond (in a metal ring setting)
Diamond (Pure Carbon, C)
mineral
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Serpentinite
Serpentinite (composed primarily of Serpentine group minerals: (Mg,Fe)3Si2O5(OH)4)
metamorphic
Opalite (Man-made Glass)
Fused glass (typically made of dolomite and metal opacifiers)
Man-made Material / Glass
Slag (Industrial Glassy Byproduct)
Anthropogenic silicate byproduct (Slag)
Mineral-like byproduct (often mistaken for igneous rock or meteorite)
Bismuth Crystal
Bismuth (Bi)
mineral
Pyrite
Iron Sulfide (FeS2)
mineral