Chert (Flint variety)
Silicon Dioxide (SiO2)
Category
Browse sedimentary rock (cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Flint variety)
Silicon Dioxide (SiO2)
Chert (White Chert/Flint)
Chert (SiO2)
Jasper
Silicon dioxide (SiO2)
Chert (Flint variety)
Chert (SiO2)
Chert / Flint
Silicon Dioxide (SiO₂)
Chert (Red/Pink Jasper subtype)
Silicon Dioxide (SiO2)
Petrified Wood
Silicified Wood (SiO2)
Quartz-veined Sedimentary Rock
Hydrothermally veined Clastic Sedimentary Rock (SiO2 veins in Matrix)
Quartz
Silicon dioxide (SiO2)
Chert (specifically Flint or Common Chert node)
Silicon Dioxide (SiO2)
Chert (White/Gray variety)
Silicon Dioxide (SiO2 / Cryptocrystalline Quartz)
Chert (Field Flint)
Microcrystalline Quartz (SiO2)
Chert (specifically a flint nodule component)
Microcrystalline quartz (SiO2)
Chert Nodule
Microcrystalline Quartz (SiO2)
Druzy Quartz on Limestone
Silicon Dioxide (SiO2)
Chert / Jasper
Silicon Dioxide (SiO2)
Chert (with Quartz Vein)
Microcrystalline silica (SiO2)
Green Opal
Hydrated Silica (SiO2·nH2O)
Leopard Skin Jasper
Silicon Dioxide (SiO2) with impurities
Jasper
Silicon Dioxide (SiO2)
Conglomerate
Conglomerative Sedimentary Rock
Quartz Geode
Silicon Dioxide (SiO2)
Chalcedony in Host Rock
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Sandstone with Quartz Veining
Clastic sedimentary rock (SiO2 dominated)
Quartz-veined Mudstone or Argillite
SiO2 (Quartz) in Siltstone/Mudstone matrix
Chert (Nodule)
Chert (composition: SiO2)
Dyed Agate Slice
Silicon Dioxide (SiO2) with artificial colorants
Chert Fossil (Pebble)
Microcrystalline Quartz (SiO2) with biogenic inclusions
Sandstone (likely Quartzose Sandstone)
Arenite (SiO2 based)
Quartz (likely Rose Quartz or Milky Quartz based on color)
Quartz (SiO2 - Silicon Dioxide)
Ferruginous Sandstone (Ironstone)
Arenite with Limonite/Goethite cement
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
Fossiliferous Sandstone (with Brachiopod or Bivalve mold)
Clastic Sedimentary Rock with Macrofossil Mold
Chert (Jasper variety)
Silicon Dioxide (SiO2)
Milky Quartz
Silicon Dioxide (SiO2)
Chert (Flint)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Sandstone
Clastic sedimentary rock (primarily SiO2)
Banded Chert
Microcrystalline Quartz (SiO2)
Chert (Jasper variety)
Microcrystalline Quartz (SiO2)
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)