Jasper
Silicon Dioxide (SiO2)
Category
Browse sedimentary rock (technically a variety of chalcedony) specimens identified by the Rock Identifier community.
Jasper
Silicon Dioxide (SiO2)
Banded Calcite (often marketed as Mexican Onyx or Onyx Marble)
Calcite (Calcium Carbonate, CaCO3)
Chalcedony (Quartz variety)
Silicon Dioxide (SiO2)
Jasper (likely Polychrome or Mookaite variants)
Silicon Dioxide (SiO2) with iron oxide and hydroxide inclusions
Jasper
Jasper (Silicate - SiO2)
Blue Dyed Agate
Silicon Dioxide (SiO2)
Common Opal (Green Opal / Pistachio Opal)
Hydrated silica (SiO2·nH2O)
Bumblebee Jasper
Calcite-bearing Volcanic Tuff containing Sulfur and Arsenic (Orpiment/Realgar)
Jasper
Silicon Dioxide (SiO2) with impurities
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Chalcedony (Silicon Dioxide with Iron inclusions), SiO2
Chalcedony (Agate/Chert)
Microcrystalline Quartz (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) - variety of Chalcedony
Petrified Wood
Silicified Wood (SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with impurities of Iron or Goethite
Yellow Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Bumblebee Jasper
Calcite with Arsenic and Manganese oxides (technically a volcanic rock)
Jasper (Green/Dragon Blood variety)
Silicon Dioxide (SiO2) with iron/clay inclusions
Opal
Hydrated Amorphous Silica (SiO2·nH2O)
Jasper with Quartz Vein
Silicon Dioxide (SiO2) with impurities
Jasper
Jasper (Silica/Silicon Dioxide, SiO2)
Yellow Jasper (Iron-stained Chert)
Silicon Dioxide (SiO2) with iron oxide (Limonite/Goethite) inclusions
Jasper (Cream/Yellow variety)
Silicon Dioxide (SiO2) with impurities
Jasper
Silicon Dioxide (SiO₂)
Jasper
Silicon dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Jasper Pebble
Tumbled Jasper (Microcrystalline Quartz, SiO2)
Jasper with Hematite Inclusions
Silicon Dioxide (SiO2) with Ferric Oxide (Fe2O3)
Grey Chalcedony
Silicon Dioxide (SiO2)
Dendritic Agate (or Dendritic Opal)
SiO2 (for Agate), SiO2·nH2O (for Opal)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Jasper
Silicon Dioxide (SiO2) with impurities
Agate (Moss or Banded Agate variety)
Agate (Silicon Dioxide - SiO2)
Agate (specifically Carnelian or Honey Agate)
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with impure Iron oxides
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Jasper
Silicon dioxide (SiO2) with impurities
Jasper
Silicon dioxide (SiO2) with impurities
Leopardskin Jasper
Jasper (a variety of microcrystalline Quartz)
Jasper (Sedimentary variety)
Silicon Dioxide (SiO2) with impurities