Agate (specifically a small Chalcedony nodule)
Agate (Cryptocrystalline variety of Quartz, SiO2)
Category
Browse mineral (specifically a variety of chalcedony, which is microcrystalline quartz) specimens identified by the Rock Identifier community.
Agate (specifically a small Chalcedony nodule)
Agate (Cryptocrystalline variety of Quartz, SiO2)
Orbicular Jasper
Silicon Dioxide (SiO2), variety of Chalcedony
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Rose Quartz
Quartz (SiO₂), specifically a variety of Quartz
Agate
Agate (Cryptocrystalline Variety of Quartz, SiO2)
Chrysoprase
Chalcedony (cryptocrystalline SiO2 variety)
Yellow Jasper
Silicon dioxide (SiO2)
Agate (Carnelian / Chalcedony)
Silicon Dioxide (SiO2)
Banded Agate
Chalcedony / Silicon Dioxide (SiO2)
Smoky Quartz
Silicon Dioxide (SiO2)
Blue Chalcedony (Blue Lace Agate variety)
Silicon Dioxide (SiO₂)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Chalcedony (specifically Agate or Carnelian variety)
Cryptocrystalline Silica (SiO2)
Chrysoprase
Silicon dioxide with nickel impurities (SiO2 + Ni)
Banded Agate (specifically Lake Superior Agate style)
Silicon Dioxide (SiO2) - Chalcedony variety
Jasper
Silicon dioxide (SiO2)
Jasper
Silicon dioxide (SiO2)
Chalcedony (specifically Blue Chalcedony or Common Opal variety)
Silicon Dioxide (SiO₂)
Fancy Jasper
Chalcedony (cryptocrystalline quartz) with inclusions
Carnelian (Chalcedony variety)
SiO2 (Silicon Dioxide)
Druzy Agate (specifically Black Druzy Agate)
Silicon Dioxide (SiO2)
Blue Lace Agate
Chalcedony (SiO2) with trace minerals
Chalcedony
Chalcedony (a microcrystalline variety of Quartz, SiO2)
Polished Jasper (Mushroom Carving)
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide inclusions
Agate (specifically Botswana or Lake Superior style chalcedony)
Silicon Dioxide (SiO2)
Yellow Jasper
Chalcedony (Silicon Dioxide, SiO2)
Banded Jasper (Chert)
Silicon Dioxide (SiO2) - variety of Chalcedony
Red Jasper
Red Jasper (variety of Chalcedony, SiO₂)
Jasper (Red/Brown Variety)
Jasper (Silicon Dioxide, SiO2 plus Iron Oxide impurities)
Black Onyx
Silicon dioxide (SiO2)
Banded Calcite (often sold as Caribbean Calcite or Mexican Onyx)
Calcium Carbonate (CaCO3)
Banded Agate (specifically Carnelian Agate slice)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Rose Quartz
Silicon Dioxide (SiO2) with trace elements of Titanium, Iron, or Manganese
Banded Agate (specifically Botswana Agate or Water-line Agate)
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Agatized Chert / Chalcedony
Silicon Dioxide (SiO2)
Blue Quartz (specifically Dumortierite Quartz)
SiO2 (Silicon Dioxide) with inclusions of AlAl6BSi3O18 (Dumortierite)
Peach Aventurine
Quartz variety (SiO2 + Hematite/Goethite inclusions)
Jasper with Agate Inclusions
Silicon Dioxide (SiO2) - variety of Quartz/Chert
Dyed Imperial Jasper (Sea Sediment Jasper)
Silicon Dioxide (SiO2) - Impure Quartz/Chalcedony
Jasper
Silicon dioxide (SiO2)
Chalcedony
Silicon dioxide (SiO2) - Microcrystalline quartz