Jasper with Epidote
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
Category
Browse mineral (chalcedony variety) specimens identified by the Rock Identifier community.
Jasper with Epidote
Silicon Dioxide (SiO2) with Calcium Aluminum Iron Silicate (Ca2(Al,Fe)3(SiO4)3(OH))
Agate Nodule (partially vuggy Quartz)
Silicon Dioxide (SiO2)
Yellow Jasper (Chert variant)
Silicon Dioxide (SiO2) with iron inclusions
Jasper
Jasper / Silicon Dioxide (SiO₂)
Red Jasper
SiO2 (Silicon Dioxide with Iron Oxide inclusions)
Chalcedony (Agate/Quartz variety)
Cryptocrystalline Quartz (SiO2)
Jasper (likely Polychrome or Desert Jasper)
Silicon Dioxide (SiO2) with impurities
Onyx
Chalcedony (SiO2) with parallel banding
Fancy Jasper (Ocean Jasper or River Jasper variant)
Silicon Dioxide with inclusions (SiO2)
Leopard Skin Jasper
Chalcedony (cryptocrystalline quartz) with inclusions
Picture Jasper
Silicon Dioxide (SiO2)
Orca Agate
Chalcedony (SiO2) with various inclusions
Red Jasper
Jasper (Silicon Dioxide, SiO2 with iron oxide impurities)
Jasper (Zebra Jasper)
Silicon Dioxide (SiO2) with impurities
Banded Jasper (Carnelian Jasper)
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Tree Agate (or Moss Agate), faceted into a crystal tower
Dendritic Agate (Silicon Dioxide, SiO2)
Jasper
Jasper (Silicate mineral, SiO2)
Banded Calcite (often sold as 'Mexican Onyx' or 'Calcite Onyx')
Calcite (Calcium Carbonate, CaCO3)
Jasper
Silicon dioxide (SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Ferric Iron inclusions
Red Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Red Jasper (possibly Orbicular)
Silicon Dioxide (SiO2) with iron oxide inclusions
Green Jasper
Silicon Dioxide (SiO2) with iron silicate inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides
Red Jasper
Jasper (Silicon Dioxide with Hematite inclusions), SiO2
Yellow Jasper
Jasper (SiO2) with iron hydroxide inclusions
Red Jasper
Silicon Dioxide (SiO2)
Jasper with Hematite inclusions
Silicon Dioxide (SiO2) with Fe2O3
Red Jasper
Silicon Dioxide with Iron Oxide impurities (SiO2 + Fe2O3)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper pebble
Jasper (Silicon Dioxide, SiO2)
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Jasper
Jasper (Silicate mineral, SiO2)
Orbicular Jasper (Ocean Jasper or Poppy Jasper variant)
Silicon Dioxide (SiO2) with various inclusions
Carnelian Agate
Silicon Dioxide (SiO2) with iron oxide impurities
Beach Agate (Chalcedony)
Silicon Dioxide (SiO2)
Agate with Quartz Druzy
Silicon Dioxide (SiO2) - Microcrystalline and Macrocrystalline varieties
Yellow Jasper
Silicon Dioxide (SiO2) with Iron inclusions
Jasper
Jasper (Silicon Dioxide, SiO2)
Yellow Jasper
Chalcedony (Silicon Dioxide with Iron inclusions), SiO2
Agate (Chalcedony)
Agate (Silicon Dioxide - SiO2)