Smoky Quartz
Silicon Dioxide (SiO2)
Category
Browse mixed (igneous, sedimentary, metamorphic, and minerals) specimens identified by the Rock Identifier community.
Smoky Quartz
Silicon Dioxide (SiO2)
Labradorite
Labradorite ((Ca, Na)(Al, Si)4O8)
Blue Sapphire (Synthetic or Man-made Glass Imitation)
Corundum (Al2O3) if natural; Lead-glass or Spinal if synthetic
Smoky Quartz
Silicon dioxide with aluminum impurities (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Almandine Garnet
Almandine (Fe3Al2(SiO4)3)
Red Garnet (Almandine-Pyrope series)
Garnet Group, Almandine (Fe3Al2(SiO4)3) or Pyrope (Mg3Al2(SiO4)3)
Plagioclase Feldspar
Plagioclase Feldspar Series (NaAlSi3O8 - CaAl2Si2O8)
Mica (Muscovite)
Potassium aluminum silicate - KAl2(AlSi3O10)(OH)2
Smoky Quartz
Silicon Dioxide (SiO2)
Gold Ore in Matrix
Native Gold (Au) in Quartz/Host Rock
Corundum (Sapphire variant)
Aluminium oxide (Al2O3)
Banded Agate (Tumbled)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Gold Ore
Native Gold (Au) in Matrix
Rose Quartz
Rose Quartz (SiO2)
Rough Ruby
Corundum (Al2O3 with Chromium impurities)
Orange Calcite
Calcium Carbonate (CaCO3)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Biotite Schist
Biotite Schist (Rich in K(Mg,Fe)3AlSi3O10(OH)2)
Yellow Quartz (Citrine type/Tumbled Quartz)
Silicon Dioxide (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (specifically Milky or Clear Quartz)
Silicon Dioxide (SiO2)
Titanium Quartz (Rough)
Titanium-included Silicon Dioxide (SiO2 + Ti)
Quartz / Milky Quartz
Silicon Dioxide (SiO2)
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
Quartz (Smoky/Milky variety)
Silicon Dioxide (SiO2)
Amethyst (Quartz variety)
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Smoky Quartz (Silicon Dioxide - SiO2)
Smoky Quartz Cluster
Smoky Quartz (Silicon Dioxide - SiO2)
Smoky Quartz (Tumbled)
Silicon Dioxide (SiO2)
Parti Sapphire
Corundum (Al2O3)
Yellow Quartz (Citrine or Iron-Stained Quartz)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Strawberry Quartz (Lepidocrosite/Hematite-Included Quartz)
Quartz (Silicon Dioxide) with Lepidocrosite or Hematite inclusions (SiO2 + Fe2O3 · nH2O)
Smoky Quartz
Silicon Dioxide (SiO2)
Native Gold (in the form of jewelry)
Gold (Au)
Yellow Quartz (Citrine or Citrine-colored Quartz)
Silicon Dioxide (SiO2)
Garnet (likely Almandine or Pyrope)
Garnet Group, Nesosilicates (Complex chemistry, e.g., Almandine: Fe3Al2Si3O12)