Banded Agate (specifically Gobi Eyes or Eye Agate)
Silicon Dioxide (SiO2) - Variety of Chalcedony
Category
Browse mineral (chalcedony variety) specimens identified by the Rock Identifier community.
Banded Agate (specifically Gobi Eyes or Eye Agate)
Silicon Dioxide (SiO2) - Variety of Chalcedony
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Jasper with Quartz
Silicon Dioxide (SiO2) - Chalcedony variety
Agate (specifically a Blue Agate Geode Slice)
Chalcedony (cryptocrystalline variety of Quartz); SiO2
Orbicular Jasper
Silicon Dioxide (SiO2), variety of Chalcedony
Blue Dyed Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Dyed Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Dyed Pink Agate (Crackled)
Silicon Dioxide (SiO2) - Chalcedony variety
Carnelian
Silicon Dioxide (SiO2) - variety of Chalcedony
Carnelian (Orange Chalcedony)
Silicon Dioxide (SiO2) - variety of Chalcedony
Agate (Sliced Nodule)
Silicon Dioxide (SiO2) - Chalcedony variety
Green Banded Agate
Agate (Variety of Chalcedony/Quartz), SiO2
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Banded Agate (Tumbled)
Silicon Dioxide (SiO2) - variety of Chalcedony
Dyed Agate Slice
Silicon Dioxide (SiO2) - variety of Chalcedony
Carnelian Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Agate (specifically Carnelian Agate or Sardagate)
Silicon dioxide (SiO2) - variety of chalcedony
Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Carnelian Agate
Silicon dioxide (SiO2) - Chalcedony variety
Banded Agate
Silicon Dioxide (SiO2) - variety Chalcedony
Blue Lace Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Carnelian Agate
Silicon dioxide (SiO2) - variety of chalcedony
Carnelian (a variety of Chalcedony)
Silicon Dioxide (SiO2) with iron oxide impurities
Jasper
Jasper (Silicon Dioxide, SiO2)
Agate
Agate (Silicon Dioxide, SiO2)
Yellow Agate
Silicon Dioxide (SiO2) - variety of Chalcedony
Red jasper (polished/tumbled)
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored mainly by iron oxides
Polished bloodstone (heliotrope)
Chalcedony (microcrystalline quartz, SiO₂) with red iron-oxide inclusions
Red jasper-like pebble
Microcrystalline quartz (chalcedony), typically colored by iron oxides; exact identification is uncertain from the image
Polished multicolored jasper
Jasper, an opaque microcrystalline variety of quartz (SiO₂), likely iron- and manganese-stained chert
Banded Agate
Silicon Dioxide (SiO2)
Orbicular jasper (likely ocean jasper)
Silica-rich microcrystalline quartz/chalcedony with iron-oxide and other mineral inclusions; commonly classified as orbicular jasper
Agate Geode
Silicon Dioxide (SiO2) - Chalcedony variety
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Leopard Skin Jasper
Chalcedony (cryptocrystalline Quartz)
Grey Chalcedony
Silicon Dioxide (SiO2)
Carnelian Agate
Silicon Dioxide (SiO2) - Variety of Chalcedony
Jasper
Jasper (Silicon Dioxide, SiO2)
Heliotrope (Bloodstone)
Silicon dioxide (SiO2) with inclusions
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Jasper (specifically Fancy or Polychrome Jasper)
Silicon Dioxide (SiO2) - Chalcedony