Clear Quartz Point
Silicon Dioxide (SiO2)
Category
Browse mineral (synthetic paper and ink polymorph) specimens identified by the Rock Identifier community.
Clear Quartz Point
Silicon Dioxide (SiO2)
Chalcedony (Yellow Agate/Chert)
Silicon Dioxide (SiO2)
Quartz (Smoky/Milky variety with matrix)
Silicon Dioxide (SiO2)
Yellow Calcite
Calcite (Calcium Carbonate, CaCO3)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
White Topaz
Aluminum Silicate Fluoride Hydroxide; Al2SiO4(F,OH)2
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Milky Quartz with Iron Staining
Silicon Dioxide (SiO2)
Yellow Quartz (Chalcedony or Agate)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Fluorite Tower
Fluorite (Calcium Fluoride - CaF2)
Fluorite (Green)
Calcium Fluoride (CaF2)
Lake Superior Agate
Banded Chalcedony (SiO2)
Quartz (Common Milky Quartz)
Silicon Dioxide (SiO2)
Howlite
Calcium borosilicate hydroxide (Ca2B5SiO9(OH)5)
Milky Quartz with Tourmaline and Iron Oxides
Silicon Dioxide (SiO2) with Schorl (NaFe3Al6(BO3)3Si6O18(OH)4)
Calcite
Calcium Carbonate (CaCO3)
Iron-stained Quartz
Silicon Dioxide with Hematite/Limonite impurities (SiO2 + Fe2O3)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Amethyst (Chevron or Banded)
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz Cluster
Smoky Quartz (Silicon Dioxide - SiO2)
Quartz Pebble (Milky Quartz)
Silicon Dioxide (SiO2)
Milky Quartz (Water-Worn Pebble)
Quartz (Silicon Dioxide, SiO2)
Citrine Quartz
Crystalline Quartz (SiO2 with iron impurities)
Tree Agate
Dendritic Agate (Silicon Dioxide, SiO2)
Smoky Quartz
Smoky Quartz (SiO2: Silicon Dioxide)
Pyrite (Iron Pyrite)
Iron Sulfide (FeS2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Tektite
Tektite (Amorphous silica rich glass)
Quartz with Iron Staining
Silicon Dioxide (SiO2) with FeOx inclusions
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Orange Calcite
Calcite (Calcium Carbonate, CaCO3)
Orthoclase Feldspar
Orthoclase (KAlSi3O8)
Quartz Pebble
Silicon Dioxide (SiO2)
White Quartz Pebble
Silicon Dioxide (SiO2)
Chalcedony (Common Opal or Agate variant)
Silicon Dioxide (SiO₂)
Green Banded Agate
Agate (Cryptocrystalline variety of Quartz, SiO2)
Banded Agate / Chalcedony
Silicon Dioxide (SiO2) with trace impurities