Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse mineral, specifically a variety of quartz specimens identified by the Rock Identifier community.
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Amethyst
Silicon Dioxide (SiO2) with iron impurities
Sodalite
Sodalite (Na8(Al6Si6O24)Cl2)
Milky Quartz
Silicon Dioxide (SiO2)
Sunstone (Feldspar variety)
Plagioclase Feldspar (Na,Ca)(Si,Al)3O8 with Hematite/Goethite inclusions
Chert (Jasper)
Microcrystalline Quartz (SiO2) with iron oxide impurities
Carnelian
Carnelian (Silicon Dioxide, SiO2)
Quartz with Iron Staining
Silicon Dioxide (SiO2)
Chert (specifically Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Crazy Lace Agate
Chalcedony (SiO2) with microcrystalline quartz
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz with Mineral Inclusions
Quartz (Silicon Dioxide, SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
Green Quartzite (with Fuchsite)
Quartzite with Muscovite variety Fuchsite (K(Al,Cr)2(AlSi3O10)(OH)2)
Chert (Jasper)
Chert / Microcrystalline Quartz (SiO2)
Sandstone (Ferruginous)
Arenite (with Iron Oxide cement)
Green Aventurine
Quartz with Fuchsite inclusions (SiO2)
Citrine Quartz (likely heat-treated)
Silicon Dioxide (SiO2)
Chert (specifically Agate/Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Conglomerate (Puddingstone)
Conglomerate (specifically, clastic sedimentary rock)
Chert
Siliceous sedimentary rock (predominantly microcrystalline quartz, SiO2)
Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Citrine
Crystalline Quartz (SiO2) with iron impurities
Blue Calcite
Calcium Carbonate (CaCO3)
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Rose Quartz
Silicon Dioxide (SiO2) with trace amounts of titanium, iron, or manganese
Moss Agate
Silicon Dioxide (SiO2) with inclusions
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Banded Agate
Agate (chalcedony variety of Silicon Dioxide, SiO2)
Chalcedony (Common Opal variant or Quartz)
Silicon Dioxide (SiO2)
Flint
Sedimentary cryptocrystalline quartz (SiO2)
Jasper
Silicon dioxide (SiO2)
Chert (Jasper-rich)
Silicon Dioxide (SiO2)
Quartz crystal with Pyrite inclusions
Silicon Dioxide (SiO2) with Iron Sulfide (FeS2)
Jasper
Silicon Dioxide (SiO2) - Impure Variety of Chert
Chert (Flint)
Chert (SiO2)
Citrine
Silicon Dioxide (SiO2)
Smoky Quartz (with Iron Inclusions)
Silicon Dioxide (SiO2)
Citrine Quartz
Silicon Dioxide (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)