Jasper
Silicon dioxide (SiO2)
Sedimentary / 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.
Learn about Mineral (Specifically A Variety Of Chalcedony, Which Is Microcrystalline Quartz) in the encyclopedia
View all →
Carnelian (Chalcedony variety)
SiO2 (Silicon Dioxide)
Mineral
Black Onyx
Silicon Dioxide (SiO2) with parallel banding
mineral
Carnelian Agate/Jasper blend
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Chalcedony (Agate Pebble)
Silicon Dioxide (SiO2)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with hematite inclusions
sedimentary
Jasper
Silicon Dioxide (SiO2) with impurities
sedimentary
Tumbled green jasper (probable)
Jasper, opaque microcrystalline quartz (SiO₂), colored by iron and other impurities
mineral
Red jasper fragment
Jasper, microcrystalline quartz (SiO₂) colored chiefly by iron oxides
mineral
Agate (specifically a Banded Agate with a Quartz Druzy center)
Silicon Dioxide (SiO2)
mineral
Yellow Agate
Agate (Varietal form of Chalcedony/Quartz, SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Citrine
Quartz (SiO2) - specifically, a variety of macrocrystalline quartz
mineral
Agate (Carnelian Agate with Quartz Matrix)
Silicon Dioxide (SiO2)
mineral
Yellow Jasper
Silicon Dioxide (SiO2) - variety Jasper
sedimentary
Quartz Pebble (Beach Chalcedony)
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide, SiO2
Mineral
Ocean Jasper or Orbicular Jasper
SiO2
mineral
Orange Quartz (or Tumbled Carnelian)
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Banded Agate / Lace Agate
Agate (Silica/Quartz) - SiO2
mineral
Chalcedony Geode Part (Agate/Quartz)
Silicon Dioxide (SiO2)
mineral
Red jasper (likely brecciated or orbicular jasper)
Microcrystalline quartz, SiO₂, colored mainly by iron oxides
mineral
Brecciated jasper (likely ocean jasper or red jasper)
Microcrystalline quartz, SiO₂, with iron-oxide pigments and breccia cement
mineral
Red Jasper
Jasper (Microcrystalline Quartz, SiO2)
sedimentary
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
mineral
Chalcedony in Matrix
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Agate
SiO2
Mineral
Carnelian
Chalcedony (cryptocrystalline quartz), SiO2
Mineral
Flint
SiO2 (Cryptocrystalline Quartz / Chert)
sedimentary
Dyed Purple Agate Sliced
Silicon Dioxide (SiO2) with artificial pigment
mineral
Blue Lace Agate
Microcrystalline Quartz (Chalcedony), SiO2
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Banded Agate (specifically Eye Agate / Chalcedony)
Agate (Cryptocrystalline variety of Quartz, SiO2)
mineral
Chalcedony (Agate/Carnelian variant)
Silicon Dioxide (SiO2)
mineral
Jasper Agate (specifically Brecciated Jasper)
Silicon Dioxide (SiO2) with iron oxide and clay impurities
sedimentary
Yellow Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
Banded Agate (specifically Carnelian Agate color)
Silicon Dioxide (SiO2) - variety of Chalcedony
mineral
Red Jasper Pebble
Silicon Dioxide (SiO2) with Iron Oxide inclusions
sedimentary
Red Jasper
Silicon Dioxide with Hematite inclusions (SiO2 + Fe2O3)
sedimentary
Agate (specifically Botswana or Banded Agate variety)
Chalcedony (Silicon Dioxide, SiO2)
mineral
Red Jasper (possibly banded Jaspilite)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
sedimentary