Chert (Brown Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Category
Browse mineral (variety of quartz) specimens identified by the Rock Identifier community.
Chert (Brown Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flinty variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Banded Variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Chert (Flint)
Chert (SiO2)
Fluorite
Calcium Fluoride (CaF2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Chert (Carnelian/Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Red/Pink variety)
Microcrystalline quartz (SiO2)
Chert (Flint/Jasper variety)
Microcrystalline quartz (SiO2)
Chert (containing Flint nodules)
Microcrystalline or cryptocrystalline Quartz (SiO2)
Bloodstone / Heliotrope
Silicon dioxide (SiO2) with inclusions
Jasper
Silicon dioxide, SiO2
Jasper Conglomerate (Puddingstone)
Siliceous Conglomerate (Quartz and Jasper clasts in a fine-grained matrix)
Gold in Quartz Ore
Hydrothermal Quartz with native Gold (Au)
Milky or Iron-Stained Quartz
Quartz (Silicon Dioxide, SiO2)
Milky Quartz with Iron Staining
Quartz (Silicon Dioxide, SiO2)
Quartz (Milky Quartz)
Quartz (Silicon Dioxide, SiO2)
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities
Jade (likely Nephrite or Jadeite)
Nephrite (Ca2(Mg,Fe)5Si8O22(OH)2) or Jadeite (Na(Al,Fe3+)Si2O6)
Fuchsite (Chrome Mica)
K(Al,Cr)2(AlSi3O10)(OH)2
Quartzite
Quartzite (primarily SiO2)
Sodalite
Sodalite - Na8(Al6Si6O24)Cl2
Red Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Microcrystalline Quartz with Iron Oxide impurities (Hematite)
Garnet-bearing Schist
Almandine Garnet [Fe3Al2(SiO4)3] in Micaceous Schist
Ferruginous Quartz (Iron-Stained Quartz)
Quartz (Silicon Dioxide) with Iron Oxide inclusions (SiO2 + Fe2O3)
Chert / Red Jasper
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate Peat)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
Quartzite
Quartzite (primarily SiO2)
Gold-bearing Quartz
Lode Gold in Silicon Dioxide (SiO2)
Gowganda Tillite (Puddingstone)
Glacial Diamictite (Gowganda Formation)
Chalcedony (or a variety of Chalcedony, likely Agate or Jasper)
Chalcedony (SiO₂)
Satin Spar (Selenite)
Gypsum (Calcium Sulfate Dihydrate) - CaSO4·2H2O
Quartz (Milky/Vein Quartz)
Silicon Dioxide (SiO2)
Quartz Pebble
Silicon Dioxide (SiO2)
Strawberry Quartz (Hematoid Quartz)
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
Chalcopyrite
Chalcopyrite (CuFeS2)
Rutilated Quartz
Silicon Dioxide with Titanium Dioxide (SiO2 with TiO2 inclusions)
Epidote and Quartz in Basalt
Epidote [Ca2(Al2,Fe3+)(SiO4)(Si2O7)O(OH)] in Metabasalt