Quartz
Silicon Dioxide (SiO2)
mineral
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is microcrystalline quartz) specimens identified by the Rock Identifier community.
Chert (Quartz Variety)
Chert (SiO2)
sedimentary
Rose Quartz and Milky Quartz
Silicon Dioxide (SiO2)
mineral
Botryoidal Chalcedony (Agate)
Silicon Dioxide (SiO2)
mineral
Red Quartzite
Quartzite (SiO2)
metamorphic
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and other impurities
sedimentary
Orange Quartzite / Quartz River Siltstone
Quartzite (SiO2)
metamorphic
Quartz (Smoky Quartz variant)
Silicon Dioxide (SiO2)
mineral
Quartzite (or Milky Quartz pebble)
Quartzite (primarily Silicon Dioxide, SiO2)
metamorphic
Pink Granite
Granite (Phaneritic Quartz-Feldspar Rock)
igneous
Quartz (River Pebble)
Silicon Dioxide (SiO2)
mineral
Sandstone (Red Flagstone)
Clastic sedimentary rock (primarily Quartz - SiO2)
sedimentary
Agate
Silicon Dioxide (SiO2)
mineral
Prase Quartz on Feldspar
Quartz (Silicon Dioxide, SiO2) with Hedenbergite inclusions on Potassium Feldspar (KAlSi3O8)
mineral
Quartzite (River Cobble)
SiO2 (Quartz-rich Metamorphic Rock)
metamorphic
Quartz
Silicon Dioxide (SiO2)
mineral
Grey Banded Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Banded Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Quartz / Quartz Cluster
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Black Chert)
Silicon Dioxide (SiO2)
sedimentary
Pink Granite
Granite (Phaneritic intrusive rock rich in K-feldspar)
igneous
Rose Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Chert (Flint)
Chert (Cryptocrystalline variety of Quartz, SiO2)
sedimentary
Grey Jasper (Tumbled Quartz variant)
Jasper (Silicon Dioxide, SiO2)
sedimentary
Green Onyx (Banded Calcite)
Banded Calcite / Aragonite (CaCO3)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide - SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Quartz (Milky/Common Quartz)
Silicon Dioxide (SiO2)
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Smoky Quartz
Silicon Dioxide (SiO2)
mineral
Carnelian Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
Amber Agate / Carnelian
Chalcedony (Silicon Dioxide, SiO2)
mineral
Agate (Moss or Dendritic Agate)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Mookaite Jasper
Silicon Dioxide (SiO2) - variety of Chert/Jasper
sedimentary
Quartzite (River Pebble)
Metamorphosed Quartz Sandstone (SiO2)
metamorphic
Rose Quartz
SiO2 (Silicon Dioxide)
mineral
Green Aventurine
Silicon Dioxide (SiO2) with Fuchsite inclusions
Mineral (Variety of Quartz)
Green Jasper (with Quartz veining)
Jasper (Silica-rich microcrystalline variety of Quartz), formula: SiO2
sedimentary