Yellow Chert (Chert / Cryptocrystalline Quartz)
Silicon Dioxide (SiO2)
sedimentary
Category
Sedimentary (Secondary Classification: Cryptocrystalline Quartz)
Browse sedimentary (secondary classification: cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Secondary Classification: Cryptocrystalline Quartz) in the encyclopedia
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Petrified Wood
Silicified Wood (primarily SiO2)
fossil
Chert (with Iron Staining)
Microcrystalline Quartz (SiO2)
sedimentary
Botryoidal Chalcedony (Agate/Desert Rose Chalcedony)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Agate
SiO2 (Silicon Dioxide - Chalcedony)
Mineral / Sedimentary
Yellow Chert
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper (Siltstone/Quartz variety)
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Chert (Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Chert (Grey/Black variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Yellow Chert (Gold-toned Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert (variations include Flint or Jasper)
Silicon Dioxide (SiO2)
sedimentary
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Petrified Wood
Silicified wood (Quartz variant, SiO2)
sedimentary
Chert (specifically Red Chert / Flint)
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Petrified Wood
Silicified Wood (primarily SiO2)
sedimentary
Chert (with Quartz Veining)
Chert (formula: SiO2)
sedimentary
Chert (Brecciated Chert)
Silicon Dioxide (SiO2)
sedimentary
Chert (Arrowhead Preform or Point)
Chert (Microcrystalline Quartz, SiO2)
sedimentary
Chert Pebble
Microcrystalline Quartz (SiO2)
sedimentary
Carnelian Agate
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Chert (Flint)
Chert (Microcrystalline or cryptocrystalline Quartz, SiO2)
sedimentary
Chert (Flint)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Chert (White Chert/Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
sedimentary
Banded Chert (Ironstone/Jasper)
Cryptocrystalline Quartz (SiO2) with Iron Oxides
sedimentary
Jasper (specifically variegated or swamp jasper beads)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Chert / Flint
Cryptocrystalline Quartz (Silicon Dioxide, SiO2)
sedimentary
Chert (Honey Chert / Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Bloodstone Jasper (Heliotrope)
SiO2 (Silicon Dioxide) - Cryptocrystalline Quartz
sedimentary
Yellow Jasper
Cryptocrystalline Quartz (SiO2) with iron inclusions
sedimentary
Chert (often called Flint)
Chert (Microcrystalline or Cryptocrystalline Quartz, SiO2)
sedimentary
Lake Superior Agate
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Yellow Jasper
Cryptocrystalline quartz (SiO2) with iron inclusions
sedimentary
Amber Flint (Chert)
Cryptocrystalline Quartz (Silicon Dioxide, SiO2)
sedimentary
Brown Chert or Ironstone
Cryptocrystalline Quartz (SiO2) with Iron Oxides
sedimentary
Chert (Jasper variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Chert (specifically Green Chert/Jasper)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Biggs Jasper
Cryptocrystalline Quartz (Silicon Dioxide) - SiO2
sedimentary
Chert (Nodule)
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Dragons Blood Jasper
Cryptocrystalline Quartz (SiO2/Epidote/Piemontite)
sedimentary
Yellow Jasper
Cryptocrystalline Quartz (SiO2 with iron inclusions)
sedimentary