Chert (containing Quartz)
Microcrystalline Silica (SiO2)
sedimentary
Category
Sedimentary (Microcrystalline Quartz)
Browse sedimentary (microcrystalline quartz) specimens identified by the Rock Identifier community.
Learn about Sedimentary (Microcrystalline Quartz) in the encyclopedia
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Limestone River Pebble
Sedimentary Calcium Carbonate (CaCO3)
sedimentary
Chert (and Limestone) River Cobble
Microcrystalline Quartz (SiO2) within Calcium Carbonate (CaCO3)
sedimentary
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Petrified Wood
Silicified Wood (SiO2)
sedimentary
Petrified Wood
Silicified Wood (SiO2 - Quartz/Chalcendony replacing organic matter)
sedimentary
Breciated Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Petrified Wood
Silicon Dioxide (SiO2) - Calcified / Silicified Wood
sedimentary
Pietersite
Brecciated Crocidolite in Quartz (Chalcedony)
metamorphic
Chert (Nodule)
Microcrystalline or Cryptocrystalline Silica (SiO2)
sedimentary
Jasper
Chalcedony (cryptocrystalline quartz), SiO2
Sedimentary
Quartz (Orthoquartzite)
Silicon Dioxide (SiO2)
sedimentary
Red Jasper with Quartz Veins
Microcrystalline Quartz (SiO2) with Ferric Oxide (Fe2O3) inclusions
sedimentary
Red Jasper (with Chert/Quartz)
Silicon Dioxide (SiO2)
sedimentary
Wishing Stone (Quartz-veined Siltstone or Graywacke)
Hydrothermal Quartz vein in matrix of SiO2 (Quartz) and Al2O3 (Clay minerals)
sedimentary
Sandstone (with Chert/Quartzite)
Arenite (SiO2 primarily)
sedimentary
Chert (containing Calcite or Quartz inclusions)
Silicon Dioxide (SiO2) with varying mineral impurities
sedimentary
Red Jasper
Silicon Dioxide with Iron inclusions (SiO2)
sedimentary
Quartz Geode (Nodule)
Silicon Dioxide (SiO2)
sedimentary or igneous
Jasper (Iron-rich Chert)
Silicon Dioxide (SiO2) with impurities of Hematite or Goethite
sedimentary
Chalcedony Geode / Agate Nodule
Cryptocrystalline Quartz (SiO2)
mineral
Jasper (specifically Bloodstone/Heliotrope or Dark Green Jasper)
Cryptocrystalline Quartz (SiO2) with inclusions
sedimentary
Yellow Jasper
Jasper (variety of Quartz - SiO2)
sedimentary
Jasper
Silicon dioxide (SiO2)
sedimentary
Chert (and Chert Geode)
Silicon Dioxide (SiO2)
sedimentary
Bloodstone / Heliotrope
Cryptocrystalline Quartz (SiO2 with inclusions)
sedimentary
Sandstone with Quartz Vein
Arenite with Quartz (SiO2) Infilling
sedimentary
Jasper Agate (specifically Brecciated Jasper)
Silicon Dioxide (SiO2) with iron oxide and clay impurities
sedimentary
Chert (and Quartz Gravel)
Chert (Cryptocrystalline Quartz, SiO2)
sedimentary
Jasper
Opaque Cryptocrystalline Quartz (SiO2)
sedimentary
Quartz-Veined Mudstone
Argillaceous Mudstone with Quartz Veining
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide impurities
sedimentary (chemical)
Ocean Jasper
Orbicular Jasper (Silicon Dioxide with impurities like Hematite and Chlorite, SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Banded Chert (with Quartz Vein)
Microcrystalline Silica (SiO2)
sedimentary
Chert (with Quartz Veining)
Microcrystalline silicon dioxide (SiO2)
sedimentary
Chert (Quartz-rich)
Microcrystalline Silica (SiO2)
sedimentary
Chert (Quartz Variety)
Microcrystalline Silica (SiO2)
sedimentary
Chert (Quartz Variety)
Microcrystalline Silica (SiO2)
sedimentary
Chert (White/Gray variety)
Silicon Dioxide (SiO2 / Cryptocrystalline Quartz)
sedimentary
Green Jasper with Quartz veins
Jasper (Silicon Dioxide, SiO2)
sedimentary
Red Jasper
Red Jasper (SiO2 with Hematite inclusions)
sedimentary