Carnelian
Carnelian (a variety of Chalcedony, SiO ₂)
Category
Browse mineral (specifically a variety of chalcedony, which is a cryptocrystalline quartz) specimens identified by the Rock Identifier community.
Carnelian
Carnelian (a variety of Chalcedony, SiO ₂)
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
Carnelian (Orange Chalcedony)
Silicon Dioxide (SiO2)
Jasper
Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)
Yellow Jasper
Silica (Silicon Dioxide, SiO2) with iron inclusions
Red Jasper
Silicon Dioxide (SiO2) - variety Jasper
Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
Red Jasper Concretion
Cryptocrystalline Quartz (SiO2)
Blue Lace Agate
Cryptocrystalline variety of Quartz (SiO2)
Chert
Microcrystalline quartz (SiO2)
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)
Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz)
Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates
Banded Agate (Polished Slice)
Chalcedony (SiO2) with Quartz
Leopard Skin Jasper
Chalcedony (cryptocrystalline Quartz)
Banded Carnelian
Carnelian (Silicon Dioxide / SiO2)
Argetine Blue Agate (Chalcendony variant)
Silicon Dioxide (SiO₂)
Chalcedony (Agate/Carnelian)
Cryptocrystalline Silicon Dioxide (SiO2)
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Yellow Jasper (Chert)
Silicon Dioxide (SiO2) with iron oxide inclusions
Carnelian
Carnelian (a variety of Chalcedony, SiO₂)
Agate Nodules
Cryptocrystalline Quartz (SiO2)
Green Agate
Silicon dioxide (SiO₂)
Quartz (Agate/Chalcedony variety)
Silicon Dioxide (SiO2)
Onyx
Onyx (a variety of Chalcedony, SiO₂)
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Red Jasper with Quartz and Hematite
Silicon Dioxide (SiO2) with Ferric Iron inclusions
Fossil Coral
Hexagonaria (Rugose coral) / Rugosa
Chrysoprase
Chrysoprase (a variety of Chalcedony, SiO₂)
Blue Lace Agate (often dyed)
Silicon dioxide (SiO2) - variety of chalcedony
Jasper (specifically variegated or swamp jasper beads)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO₂)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) - Variety of Chalcedony/Quartz
Black Onyx
Silicon Dioxide (SiO2)
Chalcedony (Agate/Chert variety)
Silicon Dioxide (SiO2)
Chalcedony (Botryoidal Agate vein)
Chalcedony (Microcrystalline Quartz) - SiO2
Blue Chalcedony
Silicon Dioxide (SiO2)
Agate
Agate (a variety of Chalcedony, SiO2)
Banded Agate
Chalcedony (cryptocrystalline variety of Quartz), SiO2
Chalcedony (specifically Agate or Carnelian variety)
Cryptocrystalline Silica (SiO2)
Blue Chalcedony
Silicon Dioxide (SiO2)
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
White Chalcedony (Agate)
Silicon Dioxide (SiO2)