Jasper (specifically Green Jasper/Chert)
Jasper (Silicon Dioxide, SiO2)
Category
Browse metamorphic (localized) or sedimentary specimens identified by the Rock Identifier community.
Jasper (specifically Green Jasper/Chert)
Jasper (Silicon Dioxide, SiO2)
Jasper
Jasper (Silicon Dioxide, SiO2)
Turquoise (set in silver jewelry)
Turquoise - CuAl6(PO4)4(OH)8·4H2O (Hydrated copper and aluminum phosphate)
Jasper (Iron-stained Quartz)
Silicon Dioxide (SiO2) with iron oxide inclusions
Turquoise
Hydrated phosphate of copper and aluminum (CuAl6(PO4)4(OH)8·4H2O)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Dyed and Metallic Coated Agate Geode
Silicon Dioxide (SiO2) with titanium/gold vapor deposition coating
Red Jasper
Jasper (Silica/Silicon Dioxide, SiO2 plus iron inclusions)
Dream Amethyst (Chevron Amethyst)
Silicon Dioxide (SiO2) with iron impurities and gamma radiation exposure
Jasper with Quartz Veining
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Chalcedony Nodule (Agate/Chert)
Chalcedony (cryptocrystalline Silicon Dioxide, SiO2)
Quartz Geode
Silicon Dioxide (SiO2)
Clear Quartz crystals on a Matrix base (Geode fragment)
Silicon Dioxide (SiO2)
Red Jasper (Tumbled)
Silicon Dioxide (SiO2) with iron oxide inclusions
Common Opal
Hydrated silica (SiO2 " nH2O)
Agate (specifically Waterline or Onyx-type Agate)
Silicon Dioxide (SiO2) - variety Chalcedony
Picture Jasper
Silicon Dioxide (SiO2) with iron oxide and clay impurities
Jasper with Chalcedony
Silicon Dioxide (SiO2)
Turquoise
Hydrated phosphate of copper and aluminium [CuAl6(PO4)4(OH)8·4H2O]
Red Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions, SiO2)
Agate
Silicon Dioxide (SiO2) - Chalcedony variety
Red Moss Agate or Jasper-Agate
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide with Iron inclusions (SiO2)
Picture Jasper
Silicon dioxide (SiO2)
River Chalcedony / Agate
Chalcedony (Silicon Dioxide, SiO2)
Agate Geode
Cryptocrystalline Quartz (SiO2)
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Yellow Jasper
Silicon Dioxide (SiO2) with iron hydroxides
River Agate (Chert/Chalcedony)
Cryptocrystalline Quartz (SiO2)
Chalcedony (Pink/Gray variety)
Silicon Dioxide (SiO2)
Beach Agate (Chalcedony)
Silicon Dioxide (SiO2)
Quartz Crystal (specifically a small Clear Quartz point)
Silicon Dioxide (SiO2)
Jasper (specifically Brecciated or Agated Jasper)
Silicon Dioxide (SiO2) - Chalcedony with impurities
Red Jasper
Silicon Dioxide (SiO2)
Chalcedony (Botryoidal/Drusy Quartz)
Silicon Dioxide (SiO₂)
Agate Nodule (partially vuggy Quartz)
Silicon Dioxide (SiO2)
Druzy Quartz on Chalcedony Matrix
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicate Mineral), SiO2 with Fe2O3 inclusions
Quartz Pebble (likely Chalcedony or Quartzite)
Silicon Dioxide (SiO2)
Jasper River Pebble
Jasper (Silicon Dioxide, SiO2)
Moss Agate
Chalcedony (Silicon Dioxide, SiO2) with inclusions