Yellow Quartz (Polished)
Silicon Dioxide (SiO2) with iron inclusions
mineral
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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Jasper (Green Jasper / Moss Agate variety)
Silicon Dioxide (SiO2)
sedimentary
Jasper
Jasper (Silica/Quartz) - SiO2
mineral
Brown Jasper / Chert Pebbles
Microcrystalline Quartz (SiO2) with iron oxide impurities
sedimentary
Chert (Nodule)
Chert (mainly Microcrystalline or Cryptocrystalline Quartz, SiO2)
sedimentary
Black River Stone (Chert or Basalt Pebble)
Microcrystalline Quartz (SiO2) or Mafic Igneous Rock
sedimentary
Kambaba Jasper
Stromatolite (Fossilized Algae within Microcrystalline Quartz)
sedimentary
Chert (Jasper/Agate variant)
Microcrystalline Quartz (SiO2) with iron oxide inclusions
sedimentary
Yellow Chert (Gold-colored River Pebble)
Microcrystalline Quartz (SiO2) with Limonite/Goethite staining
sedimentary
Dyed Agate (Tumbled)
Silicon Dioxide (SiO2) - stained microcrystalline quartz
sedimentary
Brachiopod Fossil in Chert
Phylum Brachiopoda within Microcrystalline Quartz (SiO2)
sedimentary
Chert with Iron Oxide Staining
Microcrystalline Quartz (SiO2) with Limonite/Goethite staining
sedimentary
Yellow Jasper
Cryptocrystalline Quartz (SiO2 with Iron inclusions)
sedimentary
Banded Calcite (often sold as 'Mexican Onyx' or 'Green Onyx')
Calcite (Calcium Carbonate, CaCO3)
sedimentary
Chert (Jasper/Flint variety)
Silicon Dioxide (SiO2)
sedimentary
Dalmatian Jasper
Peralkaline Quartz-Feldspar Rock with Arfvedsonite
igneous
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Quartzite
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Chert (Flint)
Silicon Dioxide (SiO2)
sedimentary
Red Jasper (possibly Brecciated)
Jasper (Silicon Dioxide, SiO2)
sedimentary
Red Jasper with Quartz
Silicon Dioxide (SiO2)
sedimentary
River Pebble Gravel
Hydrothermally modified Clastic Sediment (mainly Quartzite and Chert)
sedimentary
Chert (White Flint)
Silicon Dioxide (SiO2)
sedimentary
Ferruginous Sandstone with Ironstone Concretion
Goethite-rich Sandstone (FeO(OH))
sedimentary
Red Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Chert (Quartz Variety)
Silicon Dioxide (SiO2)
sedimentary
Carnelian
Carnelian (Chalcedony / Quartz variety, SiO2)
mineral
Jasper or Chert
Silicon Dioxide (SiO2)
sedimentary
Quartz Geode Fragment
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Cryptocrystalline Quartz (SiO2 with iron inclusions)
sedimentary
Yellow Jasper
Jasper, a microcrystalline variety of Quartz (SiO2) with iron inclusions
sedimentary
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
Agate
Chalcedony (cryptocrystalline variety of Quartz, SiO2)
mineral
Blue Lace Agate
Cryptocrystalline Quartz (SiO2) with trace minerals
sedimentary
Banded Agate (specifically Lake Superior Agate or similar)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
sedimentary
Chert (Flint)
Chert (Cryptocrystalline variety of Quartz, SiO2)
sedimentary
Dyed Chalcedony (Agate)
Silicon Dioxide (SiO2) with artificial pigment
mineral
Chert Pebble (with Quartz Vein)
Chert (Cryptocrystalline Silica - SiO2)
sedimentary
Jasper (Milky/Cream Variety)
Silicon Dioxide (SiO2) - variety of Chalcedony
sedimentary (chemical/biological)
Dalmatian Jasper
Peralkaline Quartz Feldspar Porphyry
igneous
Carnelian
Carnelian (Cryptocrystalline Quartz, SiO2)
mineral
Breciated Jasper
Brecciated Jasper (Silicon Dioxide, SiO2)
sedimentary