White Quartz (Milky Quartz)
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Specifically A Cryptocrystalline Variety Of Quartz)
Browse mineral (specifically a cryptocrystalline variety of quartz) specimens identified by the Rock Identifier community.
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Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Agate in Rhyolite
Silicon Dioxide (Quartz/Chalcedony) in Volcanic Rock matrix
igneous
Banded Agate (Onyx type)
Silicon Dioxide (SiO2)
mineral
Chert (Grey/Black variety)
Chert (Silicon Dioxide, SiO2)
sedimentary
Fossil Coral
Hexagonaria (Rugose coral) / Rugosa
fossil
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Chalcedony Geode Fragment (Botryoidal)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Chalcedony with Druzy Quartz
Silicon Dioxide (SiO2)
mineral
Yellow Agate
Silicon Dioxide (SiO2)
mineral
Chert (or Flint)
SiO2 (predominantly microcrystalline quartz)
Sedimentary
Yellow Jasper
Silicon Dioxide (SiO2)
sedimentary
Jasper (Yellow Jasper)
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Chalcedony (Agate / Chert)
Silicon Dioxide (SiO2)
mineral
Granite (specifically Pink or Alkali Feldspar Granite)
Felsic Plutonic Rock (primarily SiO2 with KAlSi3O8)
igneous
Smoky Quartz
Smoky Quartz (Silicon Dioxide, SiO2)
mineral
Chert (variety Gray or Dark Chert)
Silicon Dioxide (SiO2)
sedimentary
Chert
Silicon dioxide (SiO2)
sedimentary
Jasper (specifically Owyhee or Picture Jasper variety)
Jasper (Silicon Dioxide, SiO2)
sedimentary
Red Jasper with Quartz and Hematite
Silicon Dioxide (SiO2) with Ferric Iron inclusions
sedimentary
Amethyst (Chevron or Banded variety)
Silicon Dioxide with Iron impurities (SiO2)
mineral
Jasper (specifically Bloodstone or Heliotrope variety)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary (chemically precipitated)
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Chert (or possibly Flint)
SiO2 (Silicon Dioxide)
Sedimentary Rock
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Ocean Jasper
Orbicular Jasper/Microcrystalline Quartz (SiO2)
sedimentary
Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
sedimentary
Brown Jasper
Jasper (a cryptocrystalline variety of Quartz, SiO2)
Mineral, specifically a variety of Quartz
Flint / Chert Nodules in Limestone
Cryptocrystalline Quartz (SiO2) within Carbonate Rock
sedimentary
Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
igneous
Jasper (specifically Yellow and Red Jasper/Chert)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Black Tourmaline
Schorl (Sodium Iron Aluminum Borosilicate Hydroxide)
mineral
Chert / Flint
Silicon Dioxide (SiO2)
sedimentary
Chert (Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Tree Agate
Silicon Dioxide (SiO2) with Chlorite inclusions
mineral
Onyx
Chalcedony (SiO2) with parallel banding
mineral
Bloodstone
Heliotrope
Mineral
Banded Agate (Tumbled)
Silicon Dioxide (SiO2)
mineral
Fancy Jasper
Jasper (Cryptocrystalline Quartz, SiO2)
sedimentary
Dragon Blood Jasper
Epidote with Red Jasper (Quartz variety)
sedimentary