Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides (Goethite)
sedimentary
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is microcrystalline quartz) specimens identified by the Rock Identifier community.
Carnelian Agate
Silicon Dioxide (SiO2) - Variety: Chalcedony
mineral
Jasper, possibly Brecciated Jasper or Ocean Jasper due to patterns and color
Silicon Dioxide (SiO2), a variety of Chalcedony
Sedimentary Rock
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Sedimentary (formed from silica deposits)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO₂)
Mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Sedimentary
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
mineral
Zebra Jasper
Silicon Dioxide (SiO2) with impurities; typically a form of Chalcedony/Microcrystalline Quartz
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) - Opaque variety of Chalcedony/Quartz
sedimentary
Agate (specifically a Blue Agate Geode Slice)
Chalcedony (cryptocrystalline variety of Quartz); SiO2
mineral
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxide
mineral
Jasper (specifically Fancy or Polychrome Jasper)
Silicon Dioxide (SiO2) - Chalcedony
Sedimentary
Blue Lace Agate (often dyed)
Silicon dioxide (SiO2) - variety of chalcedony
mineral
Yellow Chalcedony
Silicon Dioxide (SiO2)
mineral
Ocean Jasper
Spherulitic Chalcedony (SiO2)
mineral
Red Jasper
Jasper (Silica/Silicon Dioxide, SiO2 plus iron inclusions)
sedimentary
Orca Agate
Chalcedony (Microcrystalline Quartz, SiO2)
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Chert (specifically Flint or Chalcedony nodule)
Microcrystalline Quartz (SiO2)
sedimentary
Blue Lace Agate (Geode/Druzy variant)
Chalcedony (SiO2) with Quartz druzy
mineral
Red Jasper
Jasper (SiO2) with Hematite (Fe2O3) inclusions
sedimentary
Green Agate
Silicon dioxide (SiO₂)
mineral
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Iron Oxide impurities)
sedimentary
Brecciated Jasper
Silicon Dioxide (SiO2) with Hematite impurities
sedimentary
Banded Agate (specifically Sardonyx)
Silicon Dioxide (SiO2) - variety of Chalcedony/Quartz
mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Chrysoprase
Chrysoprase (a variety of Chalcedony, SiO₂)
Mineral
Quartz / Chert
Silicon Dioxide (SiO2)
Mineral / Sedimentary
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
sedimentary
Chalcedony
Silicon Dioxide (SiO2)
mineral
Chrysocolla in Quartz (Gem Silica)
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (Chrysocolla) / SiO2 (Quartz)
mineral
Quartz Pebble (Chert/Chalcedony)
Silicon Dioxide (SiO2)
mineral
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
mineral
Blue Lace Agate
Silicon Dioxide (SiO₂), a variety of Chalcedony
mineral
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
sedimentary
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
mineral
Jasper (likely Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
sedimentary (chemically precipitated mineral)
Jasper with Quartz
Silicon Dioxide (SiO2) - Chalcedony variety
mineral
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Yellow Jasper / Chert
Silicon Dioxide (SiO2) with Goethite or Limonite inclusions
sedimentary
Strawberry Quartz
Quartz (SiO2) with inclusions of Goethite or Hematite
Mineral