Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Category
Browse metamorphic and mineral specimens identified by the Rock Identifier community.
Clear Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Sunstone
Oligoclase or Andesine (Feldspar Group), (Ca,Na)((Al,Si)4O8)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Ruby
Corundum (Al2O3 with Chromium traces)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Citrine Quartz (Yellow Quartz)
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
Honey Calcite
Calcium Carbonate (CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Tanzanite
Blue-violet Zoisite (Ca2Al3(SiO4)3(OH))
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Labradorite
(Ca,Na)(Al,Si)4O8
Citrine
Silicon dioxide (SiO2)
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Garnet (specifically Almandine or Pyrope)
Almandine: Fe3Al2(SiO4)3 or Pyrope: Mg3Al2(SiO4)3
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Quartz (Milky/Clear Quartz)
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Pyrope Garnet (Bohemian Garnets)
Pyrope (from the group Mg3Al2(SiO4)3)
Dumortierite Quartz
Al7(BO3)(SiO4)3O3
Quartz (Milky/Common)
Silicon Dioxide (SiO2)
Gold
Native Gold (Au)
Smoky Quartz
Silicon Dioxide (SiO2)
White Quartz
Silicon Dioxide (SiO2)
Green Aventurine (Propably a tumbled variety)
Aventurine Quartz (SiO2 with inclusions of Fuchsite)
Milky Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz
Silicon Dioxide (SiO2)
Moonstone (Blue Flash)
Potassium Aluminum Silicate (KAlSi3O8), a variety of Orthoclase Feldspar
Quartz (Milk/Citrine variety)
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Citrine Quartz (likely heat-treated)
Silicon Dioxide (SiO2)
Amethyst (Rose de France varieties or Amethystine Quartz)
Silicon Dioxide (SiO2) with iron impurities
Pyrite in Matrix (likely Quartz or Coal)
Iron Sulfide (FeS2)
Agate
Chalcedony (SiO2)
Moonstone
Orthoclase (Potassium Aluminum Silicate, KAlSi3O8)
Quartz (Raw Rose and Milky varieties)
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2) with iron impurities
Hematite
Iron(III) oxide (Fe2O3)
Clear Quartz Crystal
Quartz (Silicon Dioxide - SiO2)