Jasper (Red/Brown)
Silicon Dioxide (SiO2) with iron oxide inclusions
Category
Browse mineral (variety of chalcedony) specimens identified by the Rock Identifier community.
Jasper (Red/Brown)
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper
Silicon dioxide (SiO2)
Jasper (likely Brown or Brecciated)
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities
Geode (Quartz chalcedony variety)
SiO2 (Silicon Dioxide)
Carnelian Agate
Silicon Dioxide with Iron Oxide impurities (SiO2)
Quartz Geode/Cluster
Quartz (SiO2)
Ocean Jasper (Sea Jasper)
Spherulitic Chalcedony (SiO2)
Botryoidal Chalcedony
Silicon Dioxide (SiO2)
Quartz Pebble (Chalcedony/Agate variety)
Silicon Dioxide (SiO2)
Botryoidal Chalcedony (Agate/Chert Nodule)
Chalcedony (SiO2)
Chalcedony or Chert/Jasper with secondary mineral staining
SiO2 (for chalcedony/quartz) with possible secondary copper minerals (e.g., CuSiO3·nH2O for chrysocolla, Cu2(CO3)(OH)2 for malachite) or iron oxides/hydroxides.
Carnelian
SiO2 (Silicon Dioxide) - Translucent reddish-brown variety of Chalcedony
Crazy Lace Agate
Silicon dioxide (SiO2) - a variety of banded Chalcedony (cryptocrystalline quartz)
Jasper (Iron-rich)
Silicon Dioxide (SiO2) with Fe2O3 (Hematite) impurities
Jasper (Green Jasper/Chert)
Silicon Dioxide (SiO2)
Banded Agate (specifically Sardonyx or Black Agate variety)
Silicon Dioxide (SiO2) - Chalcedony / Cryptocrystalline Quartz
Jasper (Red Jasper)
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper with Quartz Veining
Silicon Dioxide (SiO2) with impurities
Jasper
Silicon dioxide (SiO2)
Jasper with Hematite inclusions
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)
Yellow Jasper (Chert variant)
Silicon Dioxide (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron Oxide inclusions
Breciated Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper and Quartz River Cobble
Silicon Dioxide (SiO2) with Hematite inclusions
Jasper
Chert (Silica: SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper Agate (specifically Brecciated Jasper)
Silicon Dioxide (SiO2) with iron oxide and clay impurities
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper River Pebble
Silicon Dioxide (SiO2) with iron oxide impurities
Dalmatian Stone
Dalmatian Stone (a fine-grained igneous rock, often misidentified as Dalmatian Jasper)
Jasper Cross
Silicon Dioxide (SiO2) with iron oxide impurities
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Yellow Jasper
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
Red Jasper (Jasper)
Silicon Dioxide (SiO₂)
Poppy Jasper
Jasper (variety of Chalcedony), SiO2 (Silicon Dioxide)