Chert or Jasper
Microcrystalline Quartz (SiO2)
Category
Browse sedimentary (if natural jasper) or artificial (if slag) specimens identified by the Rock Identifier community.
Chert or Jasper
Microcrystalline Quartz (SiO2)
Ironstone / Limonite Concretion
Hydrated Iron Oxide Rock (FeO(OH)·nH2O with SiO2)
Green Jasper
Microcrystalline Quartz (SiO2) with mineral inclusions
Chocolate Jasper
Microcrystalline Quartz (SiO2) with impurities
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with Iron impurities
Chert / Jasper
Microcrystalline Quartz (SiO2)
Chert / Jasper
Cryptocrystalline Quartz (SiO2)
Chert (Jasper)
Microcrystalline Quartz (SiO2)
Red Jasper
SiO2 (Silicon Dioxide) with Iron Oxide inclusions
Jasper pebble
Silicon Dioxide (SiO2) with impurities
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Green Jasper
Silicon Dioxide (SiO2) with impurities
Yellow Jasper
Chalcedony (SiO2)
Yellow Jasper
Silicon dioxide (SiO2)
Fancy Jasper
Silicon Dioxide (SiO2) with impurities
Orbicular Jasper
Silicon Dioxide (SiO2)
Chert / Jasper
Microcrystalline Quartz (SiO2)
Bumblebee Jasper
Volcanic Tuff (mixture of Quartz, Sulfur, Hematite, and Orpiment)
Picture Jasper
SiO2
Red Jasper
Microcrystalline Quartz (SiO2)
Jasper / Quartz Pebble
Silicon Dioxide (SiO2) with microcrystalline impurities
Jasper Conglomerate
Polymictic Conglomerate (Quartz and Jasper clasts in a quartz-rich matrix)
Jasper pebble
Silicon Dioxide (SiO2) with iron oxide impurities
Red Jasper
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
Yellow Jasper
Silicon Dioxide (SiO2) with goethite or iron oxide inclusions
Chert Pebble (Jasper variety)
Silicon Dioxide (SiO2)
Leopard Skin Jasper
Silicon Dioxide (SiO2) with impurities
Red Jasper
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
Red Jasper
Silicon Dioxide with Iron Oxide impurities (SiO2)
Red Jasper
Opaque microcrystalline quartz (SiO2) with iron oxide inclusions
Red Jasper
Microcrystalline Quartz (SiO2) with Hematite inclusions
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide (Fe2O3)
Banded Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper
Silicon dioxide (SiO2) with iron oxide inclusions
Red Jasper (possibly banded Jaspilite)
Silicon Dioxide with Iron Oxide (SiO2 + Fe2O3)
Kambaba Jasper
Stromatolite (Fossilized Algae)
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Yellow Jasper
Cryptocrystalline Quartz (SiO2 with Iron Hydroxide inclusions)