Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Category
Mineral, Variety Of Chalcedony (Microcrystalline Quartz)
Browse mineral, variety of chalcedony (microcrystalline quartz) specimens identified by the Rock Identifier community.
Quartz
Silicon dioxide (SiO2)
Mineral
Chert (Jasper/Chalcedony variety)
Silicon Dioxide (SiO2)
sedimentary
Banded Agate (specifically Moss Agate or Plume Agate variety)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Chert (Yellow variety / Jasper)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Vesicular Basalt with Quartz/Chalcedony
Vesicular Basalt (primarily Plagioclase, Pyroxene, and Olivine with SiO2 infill)
igneous
Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO2)
mineral
Chert (specifically a nodule with Chalcendony/Agate banding)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (Jasper/Flint variety)
Microcrystalline quartz (SiO2)
sedimentary
Chert (Yellow Jasper)
Microcrystalline Quartz (SiO2)
sedimentary
Red Jasper (River Siltstone)
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Blue Quartz (Dumortierite Quartz)
Silicon Dioxide with Aluminum Borosilicate (SiO2 + AlAl6BSi3O18)
metamorphic
Quartz (Microcrystalline/Macro crystalline variety)
Silicon Dioxide (SiO2)
mineral
Chert (Jasper/Flint variety)
Microcrystalline or Cryptocrystalline Quartz (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
sedimentary
Chert (Smoky variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (often called Jasper in this color)
Microcrystalline quartz (SiO2)
sedimentary
Banded Agate (likely Carnelian Agate or Sardonyx)
Agate is a common name for a microcrystalline variety of Quartz (SiO₂), specifically a form of Chalcedony.
Sedimentary Rock (technically a variety of Chalcedony)
Dalmatian Jasper (or Dalmatian Stone)
Dalmatian Stone (A peralkaline felsite composed of feldspar, quartz, and sodic amphibole)
igneous
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Red Swirl Beads (Likely Resin or Glass, simulating Red Jasper or Agate)
N/A (for the beads as pictured); Red Jasper: SiO2 (Chert variety); Red Agate: SiO2 (Chalcedony variety)
Organic (if resin) or Synthetic (if glass); simulating Sedimentary or Metamorphic (for natural stones)
Carnelian Agate
Chalcedony (Silicon Dioxide, SiO2)
mineral
White Quartz (Milky Quartz Mushroom)
Silicon Dioxide (SiO2)
mineral
Carnelian
Carnelian (Silicon Dioxide, SiO2)
mineral
Chert (and Flint)
Chert (SiO2)
sedimentary
Banded Chert
Microcrystalline Quartz (SiO2)
sedimentary
Petrified Wood
Silicified Wood (primarily Quartz/Chalcedony, formula SiO2)
sedimentary
Banded Agate (Orca Agate)
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Chert (Jasper/Flint variety)
Microcrystalline Quartz (SiO2)
sedimentary
Dendritic Agate (Tumbled)
Silicon Dioxide (SiO2) with inclusions
mineral
Milky Quartz
Quartz (Silicon Dioxide, SiO2)
mineral
Agate
Silicon Dioxide (SiO2) - variety: Chalcedony
mineral
Carnelian
Carnelian (Silica, SiO2)
mineral
Chert (specifically Chalcedony or Flint variation)
Microcrystalline Quartz (SiO2)
sedimentary
White Agate / Chalcedony
Silicon Dioxide (SiO2)
mineral
Green Jasper
Jasper (variety of Microcrystalline Quartz, SiO2)
sedimentary
Chert (Jasper/Carnelian variety)
Microcrystalline Quartz (SiO2)
sedimentary
Chert (White Chert)
Silicon Dioxide (SiO2)
sedimentary
Zebra Jasper
Silicon Dioxide (SiO2) with various inclusions
metamorphic/sedimentary
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
mineral
Bloodstone
Heliotrope (a variety of Cryptocrystalline Quartz / Jasper, SiO2)
mineral
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite and Quartz inclusions
sedimentary