Chert (specifically Flint)
Silicon dioxide (SiO2)
Category
Browse mineral (specifically a cryptocrystalline variety of quartz) specimens identified by the Rock Identifier community.
Chert (specifically Flint)
Silicon dioxide (SiO2)
Chert
Chert (SiO2)
Chert (Jasper variation)
Microcrystalline Quartz (SiO2)
Jasper (likely Kambaba or Crocodile Jasper variety)
Silicon Dioxide (SiO2) with inclusions
Yellow Quartz (Chalcedony/Agate)
Silicon Dioxide (SiO2)
Milky Quartz (with potential inclusion)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)
Chert (Agatized/Chalcedony variety)
Microcrystalline Quartz (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Red Jasper (Siltstone/Quartz variety)
Silicon Dioxide (SiO2) with Hematite impurities
Jasper (Green Jasper/Chert)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Orange Quartz
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper (specifically Picture Jasper or Landscape Jasper)
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
Chert (specifically Jasper or Flint variety)
Cryptocrystalline Quartz (SiO2)
Chert (often called Flint or Chalcedony Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
Chert (specifically Agate/Jasper variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Green Chert (Jasper)
Silicon Dioxide (SiO2)
Quartz (Milky or Cloudy Quartz)
Silicon Dioxide (SiO2)
Chert (Flint Nodules)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Tourmalinated Quartz
Silicon Dioxide (SiO2) with inclusions of Schorl (NaFe2+3Al6Si6O18(BO3)3(OH)3OH)
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of Titanium, Iron, or Manganese
Clear Quartz
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2)
Chert
Chert (Microcrystalline Quartz, SiO2)
Chert (specifically Pink/Tan Chert)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Chert (specifically Jasper/Carnelian variety)
Microcrystalline quartz (SiO2)
Fancy Jasper
Silicon Dioxide (SiO2) with mineral inclusions
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (SiO2)
Rose Quartz
Rose Quartz (SiO2)
White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
Druzy Agate (specifically Black Druzy Agate)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Jasper (likely Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
Milky Quartz
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Iron Oxide impurities)
Citrine Quartz
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Citrine
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
Agate (specifically, likely a geode slice or nodule)
Agate (a variety of Chalcedony, with chemical formula SiO2)
Chert (Grey/Black variety)
Chert (Silicon Dioxide, SiO2)