Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Category
Sedimentary Rock (Technically A Variety Of Chalcedony)
Browse sedimentary rock (technically a variety of chalcedony) specimens identified by the Rock Identifier community.
Red Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Jasper (specifically Red Jasper or Iron-stained Chert)
Silicon dioxide (SiO2) with iron oxide inclusions
sedimentary
Banded Calcite (Cave Onyx)
Calcium Carbonate (CaCO3)
sedimentary
Dendritic Agate or Tree Agate
Silicon Dioxide (SiO2) with impurities of manganese or iron oxide
mineral
Chalcedony (Banded/Mottled Variety)
Chalcedony (a cryptocrystalline variety of Quartz, SiO2)
Mineral
Chert (Agatized/Chalcedony variety)
Microcrystalline Quartz (SiO2)
sedimentary
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
mineral
Jasper
Silicon dioxide (SiO2)
sedimentary
Common Opal with Host Rock
Opal (Hydrated silica, SiO2·nH2O)
mineral
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
mineral
Jasper (Chert)
Silicon Dioxide (SiO2)
sedimentary
Agate
Silicon Dioxide (SiO2) - variety: Chalcedony
mineral
Yellow Jasper
Chalcedony (Silicon Dioxide, SiO2)
sedimentary (microcrystalline quartz)
Yellow Chalcedony (Carnelian/Yellow Agate)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Mineral
Jasper with Quartz inclusions
Silicon Dioxide (SiO2) with impurities
sedimentary
Jasper (Yellow/Brown variety)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
mineral
Dendritic Agate
Silicon Dioxide with Manganese/Iron oxide inclusions (SiO2)
Mineral
Tree Agate
Silicon Dioxide (SiO2) with Chlorite inclusions
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite/Limonite)
sedimentary
Snowflake Obsidian
Vitreous Volcanic Rock (Amorphous Silicate), SiO2
igneous
Jasper and Quartz conglomerate (River Rock)
Silicon Dioxide (SiO2) - Chalcedony and Quartz variety
sedimentary
Bloodstone (Heliotrope)
Cryptocrystalline Quartz (SiO2) with inclusions of Hematite or Chlorite
mineral
Dalmation Stone (frequently called Dalmatian Jasper)
Peralkaline Quartz-Feldspar Rock
igneous
Jasper
Jasper (Silicon Dioxide, SiO2 plus iron oxide impurities)
sedimentary
Red Jasper
Chalcedony (SiO2 with iron oxide impurities)
sedimentary
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
mineral
Green Moss Agate
Silicon Dioxide with inclusions (SiO2 + Mn/Fe)
sedimentary
Banded Agate (Tumbled)
Agate (Variety of Chalcedony/Quartz), SiO2
mineral
Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
sedimentary
Chalcedony
Silicon dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Dendritic Opal
Opalized Chalcedony with Manganese Inclusions (SiO2 · nH2O)
mineral
Agate
Chalcedony (cryptocrystalline variety of Quartz, SiO2)
mineral
Black Onyx
Silicon dioxide (SiO2)
mineral
Agate (Common Chalcedony)
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide / Chalcedony (SiO2)
Sedimentary
Jasper
Jasper (Silicon Dioxide, SiO2)
sedimentary
River Jasper (Chert/Chalcedony mix)
Silicon Dioxide (SiO2) with iron oxide and chlorite inclusions
sedimentary
Jasper with Agate Inclusions
Jasper (Silicon Dioxide, SiO2) with Chalcedony/Agate
sedimentary
White Agate (Chalcedony)
Chalcedony (SiO2)
mineral