Amethyst (specifically Chevron Amethyst or Dream Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Amethyst (specifically Chevron Amethyst or Dream Amethyst)
Silicon Dioxide (SiO2) with iron impurities
Milky Quartz (Tumbled)
Quartz (Silicon Dioxide, SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Granite
Granite
Agate (Chalcedony)
Cryptocrystalline Quartz (SiO2)
Ferruginous Quartz (Iron-stained Quartz)
Silicon Dioxide (SiO2) with Hematite/Goethite inclusions
Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Quartz with Tourmaline and Iron Staining
Silicon Dioxide (SiO2) with Schorl (NaFe2+3Al6(Si6O18)(BO3)3(OH)3OH)
Quartz (Milky/Crystalline variety)
Silicon Dioxide (SiO2)
Chalcedony
Chalcedony (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Jasper
Jasper (Cryptocrystalline variety of Quartz, SiO2)
Jasper
Silicon dioxide (SiO2)
Zebra Jasper
Jasper (variety of Quartz/Chalcedony), SiO2
Quartz
Quartz (SiO₂)
Mixed Quartz and River Pebbles (Stone Collection)
Mixed assortment containing mainly Silicon Dioxide (SiO2)
Tumbled Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Jasper
Jasper (Silicon Dioxide, SiO2)
Orthoclase Feldspar
KAlSi3O8 (Potassium Aluminum Silicate)
Blue Quartz (Aventurine)
Silicon Dioxide (SiO2) with Crocidolite or Magnesio-riebeckite inclusions
Pyrite
Iron Disulfide (FeS2)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2)
Yellow Quartz (Citrine or Iron-stained Quartz)
Silicon Dioxide (SiO2)
Pink Calcite
Calcium Carbonate (CaCO3)
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO₂)
Quartz (Small Fragment)
Silicon Dioxide (SiO2)
Quartz (Raw and Water-worn)
Silicon Dioxide (SiO2)
Serpentinite
Serpentinite (Mg, Fe, Ni, Al, Zn, Mn)2-3(Si, Al, Fe)2O5(OH)4
Clear Quartz
Silicon Dioxide (SiO2)
Rhodochrosite (Beads) and Citrine (Pendant)
Rhodochrosite (MnCO3) and Quartz variety Citrine (SiO2)
Rose Quartz
SiO2 (Silicon Dioxide with trace Titanium, Iron, or Manganese)
Rose Quartz
Silicon Dioxide (SiO2) with traces of titanium, iron, or manganese
Rose Quartz
Silicon Dioxide with trace inclusions (SiO2)
Quartz (Citrine variety)
Silicon Dioxide (SiO2)
Orthoclase Feldspar with Quartz
Orthoclase (KAlSi3O8)
Quartz
Quartz (Silicon Dioxide - SiO2)
Quartz (Microcrystalline variety)
Silicon Dioxide (SiO2)
Quartz (River Pebble)
Silicon Dioxide (SiO2)
Milky Quartz (with Iron staining)
Silicon Dioxide (SiO2)
Agate
SiO2 (Silicon dioxide, chalcedony variety)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)