Rutilated Quartz
Quartz (SiO2) with Rutile inclusions (TiO2)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Rutilated Quartz
Quartz (SiO2) with Rutile inclusions (TiO2)
Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
Green Aventurine
Quartzite (variety Aventurine) with Fuchsite inclusions (K(Al,Cr)2(AlSi3O10)(OH)2)
Red Jasper (possibly Mookaite)
Silicon Dioxide (SiO2) with Hematite inclusions
Chert (Jasper)
Cryptocrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Jasper (Banded Argillite/Chert mix)
Silicon Dioxide (SiO2) with iron oxide inclusions
Massive Quartz
Silicon dioxide (SiO2)
Granitic Pegmatite (Muscovite and Quartz)
Pegmatite (KAl2(AlSi3O10)(OH)2 / SiO2)
Jasper (Iron-rich Chert)
Silicon Dioxide (SiO2) with impurities of Hematite or Goethite
Cherry Quartz
SiO2 (Silicon Dioxide with iron-rich inclusions/dye)
Tiger's Eye
Pseudomorph of Quartz after Crocidolite (SiO2 with iron oxide)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Yellow Quartz (or Citrine Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Clear Quartz (Rock Crystal)
Silicon Dioxide (SiO2)
Banded Rock (likely Quartz-rich)
Uncertain, likely a Metamorphic Rock (e.g., Gneiss or Schist) with prominent Quartz and other minerals
Chert (Yellow Jasper)
Silicon Dioxide (SiO2)
Satin Spar (Selenite)
Gypsum (CaSO4·2H2O)
Granite
Phaneritic Igneous Rock (composed of Quartz, Feldspar, and Mica)
Chert (specifically Yellow/Honey Jasper variety)
Cryptocrystalline Quartz (SiO2)
Milky Quartz in Epidote Host Rock
Crystalline Silicon Dioxide (SiO2) with Epidote Ca2(Al,Fe)3(SiO4)3(OH)
Chert (varieties include Flint and Jasper)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Red Jasper Conglomerate (Puddingstone)
Silicified Conglomerate (SiO2 with inclusions)
Chert (White/Light Tan)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint/Jasper variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Nodule)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Yellow Chert (River Stone/Pebble)
Chert (Cryptocrystalline Quartz, SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Black Chert or Flint)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Polished Jasper (Mushroom Carving)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Flesh-colored Quartz Mineral
SiO2 (Silicon Dioxide) with Iron Impurities
Pyrite
Iron Pyrite (FeS2)
Chert
Silicon dioxide (SiO2)
Quartzite
Quartzite (primarily SiO2)
Quartzite
Quartzite (primarily SiO2)
Chert (varieties include Flint and Jasper)
Microcrystalline or Cryptocrystalline Silicon Dioxide (SiO2)
Milky Quartz with Garnet/Hematite and Basalt
Silicon Dioxide (SiO2) with Almandine (Fe3Al2Si3O12) and Basalt
Pyrite on Quartz matrix
Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)
Milky and Citrine-type Quartz
Silicon Dioxide (SiO2)
Pyrite (Fool's Gold)
Iron Disulfide (FeS2)
Pyrite (Fool's Gold)
Iron Sulfide (FeS2)