Green Quartzite (with Fuchsite)
Quartzite with Muscovite variety Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Category
Browse metamorphic, likely sedimentary with quartz veins specimens identified by the Rock Identifier community.
Green Quartzite (with Fuchsite)
Quartzite with Muscovite variety Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Pink Tumbled Quartz (Dyed)
Silicon Dioxide (SiO2)
Milky Quartz (Common Quartz/Crystalline Quartz)
Quartz (Silicon Dioxide, SiO2)
Chert (Lake Superior Agate variant)
Microcrystalline Quartz (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Green Quartz (Prasiolite variant or Aventurine)
Silicon Dioxide (SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Quartz with Chalcopyrite and Pyrite
Silicon Dioxide (SiO2) with Copper Iron Sulfide (CuFeS2)
Milky Quartz Pebble
Quartz (Silicon Dioxide, SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Citrine
Citrine (Silicon Dioxide, SiO2)
Citrine
Silicon Dioxide (SiO2) with iron impurities
Smoky Quartz
Silicon Dioxide (SiO2)
Citrine Quartz
Citrine (Silicon Dioxide, SiO2)
Smoky Quartz
Silicon Dioxide (SiO2) with aluminum impurities
Smoky Quartz
Silicon Dioxide (SiO2)
Quartz (Yellow/Citrine variety)
Crystalline Silicon Dioxide (SiO2)
Citrine Quartz Sphere
Silicon Dioxide (SiO2)
Chert (variations include Chalcedony and Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz Mineral
Silicon Dioxide (SiO2)
Agate
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
Yellow Quartz (Citrine/Gold Quartz)
Silicon Dioxide (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Milky Quartz (Gold-bearing Prospecting Specimen)
Silicon Dioxide (SiO2)
Quartz with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2) inclusions
Quartzite Pebble (with Quartz veins)
Quartzite (SiO2)
Sandstone (likely Ferruginous)
Sandstone (SiO2 with iron oxides)
Quartz (Iron-stained)
Silicon Dioxide (SiO2)
Basalt with Quartz Veins
Basalt (composition: SiO2, MgO, FeO, Al2O3, CaO)
Quartzite with Quartz Vein
Metamorphosed sandstone (SiO2)
Quartzite with Quartz Veins
Quartzite (chiefly SiO2)
Basalt with Quartz Veins
Amygdaloidal Basalt (matrix) with Crystalline SiO2 (veins)
Quartzite with Quartz Vein
Quartzite (SiO2)
Basalt with Quartz Veins
Basalt (SiO2 range 45-52%)
Chert (with Quartz veins)
Microcrystalline Quartz (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Quartz
Quartz (Silicon Dioxide, SiO2)
Quartz Geode
Quartz (Silicon Dioxide - SiO2) within a Chalcedony and Limonite shell
Quartz (Milky or Cloudy variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Amethyst (Chevron or Banded Amethyst)
Silicon Dioxide (SiO2) with trace Iron (Fe)