Quartz (Chert/Chalcedony Variety)
Silicon Dioxide (SiO2)
Category
Browse mineral or sedimentary (if chert) specimens identified by the Rock Identifier community.
Quartz (Chert/Chalcedony Variety)
Silicon Dioxide (SiO2)
Chert (Chalcedony/Agate)
Microcrystalline Quartz (SiO2)
Mookaite Jasper
Radiolarite (Chert/Jasper variety), formula SiO2
Chert (Nodule)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chert (Holey Stone)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Agate variety)
Microcrystalline Quartz (SiO2)
Clear Quartz (or Rock Crystal)
Quartz (SiO₂)
Chert (Flint variety)
Chert (Cryptocrystalline variety of Quartz, SiO2)
Chert Pebble (Jasper variety)
Microcrystalline Quartz (SiO2)
Milky Quartz Pebble with Chert
Silicon Dioxide (SiO2)
Mookaite Jasper
Silicified Radiolarite (SiO2 with iron impurities)
Red Jasper (Brecchiated Jasper)
Silicon Dioxide (SiO2) with Hematite impurities
Chert (specifically a stream-worn Chert Nodule)
Sedimentary Cryptocrystalline Quartz (SiO2)
Quartzite with Chert inclusions
Metamorphosed Quartz-rich Rock (SiO2)
Chert (Grey/Black variety)
Chert (Silicon Dioxide, SiO2)
Flint / Chert
Silicon dioxide (SiO2)
Chert (specifically a nodule with Chalcendony/Agate banding)
Microcrystalline Quartz (SiO2)
Chert (specifically Flint or Jasper variant)
Chert (Siliceous rock composed of microcrystalline Quartz, SiO2)
Chert with Druzy Quartz Geode
Microcrystalline Quartz (SiO2)
Fossiliferous Limestone (Chertified Limestone)
Calcium Carbonate (CaCO3) often replaced by Microcrystalline Silica (SiO2)
Banded Chert / Flint
Silicon dioxide (SiO2)
Chert (Brown variety)
Silicon Dioxide (SiO2)
Botryoidal Chalcedony (Agate/Chert Nodule)
Chalcedony (SiO2)
Quartz (Chert/Chunky Chalcedony)
Silicon Dioxide (SiO2)
Jasper Shard / Chert
Silicon dioxide (SiO2)
Hag Stone
Porous sedimentary rock (typically Flint, Chert, or Sandstone) with naturally occurring holes
Chert (Common Opal/Chalcedony)
Microcrystalline Quartz (SiO2)
Mookaite Jasper
Silicified Radiolarite (Silicon Dioxide: SiO2)
Chalcedony (Agate/Chert)
Silicon Dioxide (SiO₂)
Chert (Fossiliferous)
Silicon dioxide (SiO2)
Banded Chert
Cryptocrystalline Quartz (SiO2)
Agatized Chert / Chalcedony
Silicon Dioxide (SiO2)
Banded Chert in Matrix
Microcrystalline Quartz (SiO2)
Green Banded Chert (Agate/Jasper)
Silicon Dioxide (SiO2) with trace impurities of Chlorite or Glauconite
Chert (variant Flint/Novaculite)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
Quartz
Silicon Dioxide (SiO2)
Flint (Chert Node)
Silicon Dioxide (SiO2)
Banded Chert (Flint)
Cryptocrystalline Quartz (SiO2)
Chert (often called Flint)
Chert (Microcrystalline Silicon Dioxide, SiO2)
Jasper with Agate Inclusions
Silicon Dioxide (SiO2) - variety of Quartz/Chert
Chert (includes Flint & Jasper)
Chert (Siliceous sedimentary rock, chemical formula SiO2)
Chert (with inclusions)
Microcrystalline or Cryptocrystalline Quartz (SiO2)