White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Category
Browse industrial byproduct specimens identified by the Rock Identifier community.
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Turquoise and Hematite
CuAl6(PO4)4(OH)8·4H2O (Turquoise) and Fe2O3 (Hematite)
Chert (with Manganese Dendrites)
Chert (Cryptocrystalline Quartz, SiO2)
Wishing Stone (Basalt/Greywacke with Quartz Vein)
Basalt or Siltstone with SiO2 (Quartz) hydrothermal intrusion
Rough Diamond
Diamond (pure Carbon, C)
White Topaz
Aluminum Silicate Fluoride Hydroxide; Al2SiO4(F,OH)2
Yellow Quartz Pebble
Crystalline Silicon Dioxide (SiO2)
Diamond (Cluster Setting)
Carbon (C) - Diamond
Milky Quartz with Chlorite inclusions
Silicon Dioxide (SiO2) with Chlorite group minerals
Sandstone (Pebble)
Arenite (primarily SiO2)
Chert (variations include Flint/Jasper)
Chert (SiO2)
Mica Schist
Schist (Biotite/Muscovite rich)
Quartz (likely Herkimer Diamond style)
Silicon Dioxide (SiO2)
Rhodonite
Manganese Silicate (Mn,Fe,Mg,Ca)SiO3
Sandstone
Arenite (primarily SiO2)
Milky Quartz with Mica
Silicon Dioxide (SiO2) with Muscovite Mica [KAl2(AlSi3O10)(OH)2]
Quartz with Iron Staining
Silicon Dioxide (SiO2) with Ferruginous Oxides
Anthracite Coal
Anthracite
Chert (Flint Nobule)
Silicon Dioxide (SiO2)
Aquamarine (Beryl)
Beryllium aluminum silicate (Be3Al2Si6O18)
Schist (Micaceous Schist)
Schist (containing mainly Muscovite and Quartz)
Cubic Zirconia (Simulated Diamond)
Zirconium dioxide (ZrO2)
Aquamarine
Beryl (Be3Al2Si6O18 with iron impurities)
Limestone
Calcite-rich Sedimentary Rock (CaCO3)
Vanadinite
Vanadinite (Pb5(VO4)3Cl)
Native Copper in Basalt
Cuprum (with Host Basalt)
Amethyst and Limestone
Amethyst (SiO2 - Silicon Dioxide) and Limestone (CaCO3 - Calcium Carbonate)
Grey Chalcedony
Silicon Dioxide (SiO2)
White Topaz
Topaz - Al2SiO4(F,OH)2
Almandine Garnet
Almandine (Fe3Al2Si3O12)
Quartz (Gravel Pebble)
Silicon Dioxide (SiO2)
Garnet Schist
Almandine Garnet in Mica Schist (Fe3Al2(SiO4)3)
Sandstone (likely Quartzose)
Arenite (primarily SiO2)
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Kyawthuite
Kyawthuite (Bi3+Sb5+O4)
Quartzite with Iron Mineral Banding
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3) staining
Quartz Pebble
Silicon Dioxide (SiO2)
Diamond (in a jewelry setting)
Carbon (C)
Red Sandstone
Arenite (Ferruginous Sandstone)
Wild Horse Magnesite
Magnesite with Hematite inclusions (MgCO3)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Yellow Jasper
Chalcedony (SiO2) with iron oxide inclusions