Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is A Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is a microcrystalline quartz) specimens identified by the Rock Identifier community.
Jasper
Silicon dioxide (SiO2)
sedimentary
Jasper (brecciated or orbicular variety)
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary/mineral
Jasper
Silicon dioxide (SiO2) with impurities
sedimentary
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) - Variety of Chalcedony/Quartz
mineral
Jasper (Imperial Jasper style)
Silicon Dioxide (SiO2) with impurities
sedimentary
Quartz (likely milky/rose quartz variety)
Quartz (SiO2 - Silicon Dioxide)
Mineral
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Tree Agate
Silicon Dioxide (SiO2)
mineral
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Banded Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Red Jasper
Silicon Dioxide (SiO2) with Ferric Iron inclusions
sedimentary
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chalcedony (Agate/Carnelian variety)
Cryptocrystalline Quartz (SiO2)
mineral
Jasper with Chert
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert (specifically Yellow Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Jasper (River pebble)
Jasper / Silicon Dioxide (SiO2)
sedimentary
Chert (Chalk-associated Flint)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Quartz / Silicon Dioxide (SiO2)
mineral
Chert (Nodule)
Microcrystalline quartz (SiO2)
sedimentary
Banded Agate
Cryptocrystalline Quartz (SiO2)
mineral
Jasper with Hematite (Red Jasper)
Silicon Dioxide with Iron Oxide (SiO2 and Fe2O3)
sedimentary (physico-chemical precipitate)
Banded Agate (Yellow Agate)
Silicon Dioxide (SiO2)
mineral
Agate (Polished Nodule)
Agate (Silicon Dioxide, SiO2)
mineral
Blue Agate (Dyed)
Silicon Dioxide (SiO2) - Variety of Chalcedony
mineral
Lake Superior Agate
Cryptocrystalline Quartz (SiO2)
mineral
Red Jasper
Jasper (Silicon Dioxide) - SiO2
mineral
Chalcedony Geode
Chalcedony (SiO2) within a geode structure
Mineral Geode/Sedimentary or Volcanic related
Quartz (Microcrystalline variety)
Silicon Dioxide (SiO2)
mineral
Strawberry Quartz
Quartz with Hematite inclusions (SiO2 + Fe2O3)
mineral
Polished Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
mineral
Jasper with Iron Staining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Chert Nodule (Fossiliferous Chert)
Microcrystalline Quartz (SiO2)
sedimentary
Chert
Silicon dioxide (SiO2)
sedimentary
Chert (specifically Red Chert or Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Lake Superior Agate
Banded Chalcedony (SiO2)
mineral
Aventurine (specifically Green Aventurine)
Silicon Dioxide (Quartz) with inclusions of Fuchsite; SiO2 + K(Al,Cr)2AlSi3O10(OH)2
metamorphic
Chert / Chalcedony
Microcrystalline Quartz (SiO2)
sedimentary