Red Jasper
Jasper (Silicon Dioxide, SiO2)
Category
Browse mineral, variety of chalcedony (microcrystalline quartz) specimens identified by the Rock Identifier community.
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Yellow Jasper
Silicon Dioxide with iron inclusions (SiO2)
Red Jasper (with Quartz veining)
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3) inclusions
Brown Agate
Silicon Dioxide (SiO2)
Carnelian
Carnelian (variety of Chalcedony, SiO2)
Carnelian
Carnelian (variety of Chalcedony, SiO2)
Banded Calcite (often sold as 'Mexican Onyx')
Calcite (Calcium Carbonate, CaCO3)
Jasper Cross
Silicon Dioxide (SiO2) with iron oxide impurities
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or iron oxide inclusions
Jasper (likely Polychrome or Ocean Jasper)
Silicon Dioxide (SiO2) with impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Orange Quartz (or Tumbled Carnelian)
Silicon Dioxide (SiO2) with iron oxide inclusions
Crazy Lace Agate
Silicon Dioxide (SiO2) with iron and aluminum inclusions
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Chert (varieties: Flint or Chalcedony)
Microcrystalline Quartz (SiO2)
Geode (Quartz chalcedony variety)
SiO2 (Silicon Dioxide)
Chert (often called Flint)
Chert (Microcrystalline Silicon Dioxide, SiO2)
Banded Agate
Agate (Silicon Dioxide, SiO2)
Jasper
Silicon Dioxide (SiO2) with iron and magnesium inclusions
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities
Jasper (Red/Brown Variety)
Jasper (Microcrystalline Quartz, SiO2)
Jasper Agate (specifically Brecciated Jasper)
Silicon Dioxide (SiO2) with iron oxide and clay impurities
Blue Quartz
Quartz (Silicon Dioxide) with blue inclusions (SiO2)
Carnelian
Carnelian (variety of Chalcedony, SiO2)
Quartz (Chert/Chalcedony variety)
Silicon Dioxide (SiO2)
Ocean Jasper
Spherulitic Chalcedony (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3)
Agate
Chalcedony (Silicon Dioxide, SiO2)
Banded Agate (Chert/Chaldcedony)
Silicon Dioxide (SiO₂)
Chalcedony Nodule in Matrix
Silicon Dioxide (SiO2)
Jasper (Iron-stained Quartz)
Silicon dioxide (SiO2) with iron oxide inclusions
Yellow Quartz (Chalcedony or Agate)
Silicon Dioxide (SiO2)
Agate Geode
Silicon Dioxide (SiO2) - variety Chalcedony/Quartz
Agate
Silicon dioxide (SiO2)
Jasper and Agate (Polished Pebble)
Chalcedony (SiO2 with impurities)
Yellow Jasper
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
Banded Agate (Pink/White)
Silicon Dioxide (SiO2) - Variety of Chalcedony
Chrysoprase
Chrysoprase (a variety of Chalcedony, SiO₂)
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Red Jasper
Jasper (Silicon Dioxide) - SiO2