Agate (various color varieties)
SiO₂ (Silicon Dioxide)
Mineral (specifically a variety of Chalcedony, which is a microcrystalline quartz)
Category
Mineral (Specifically A Variety Of Chalcedony, Which Is A Microcrystalline Quartz)
Browse mineral (specifically a variety of chalcedony, which is a microcrystalline quartz) specimens identified by the Rock Identifier community.
Learn about Mineral (Specifically A Variety Of Chalcedony, Which Is A Microcrystalline Quartz) in the encyclopedia
View all →
Carnelian (Orange Chalcedony)
Silicon Dioxide (SiO2)
mineral
Red Jasper
Silicon Dioxide (SiO2) with Iron Oxide inclusions
mineral
Yellow Jasper
Silica (Silicon Dioxide, SiO2) with iron inclusions
sedimentary
Jasper
Silicon Dioxide (SiO2) with impurities (mostly Iron Oxides)
sedimentary
Red Jasper
Silicon Dioxide (SiO2) - variety Jasper
mineral
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO2)
Mineral (variety of Chalcedony)
Dalmation Stone (often called Dalmatian Jasper)
Antiperthite-rich Microgranite
igneous
Red Jasper Concretion
Cryptocrystalline Quartz (SiO2)
sedimentary
Chert
Microcrystalline quartz (SiO2)
sedimentary
Banded Agate (Polished Slice)
Chalcedony (SiO2) with Quartz
mineral
Argetine Blue Agate (Chalcendony variant)
Silicon Dioxide (SiO₂)
mineral
Fossil Coral
Hexagonaria (Rugose coral) / Rugosa
fossil
Red Jasper with Quartz and Hematite
Silicon Dioxide (SiO2) with Ferric Iron inclusions
sedimentary
Chalcedony (Botryoidal Agate vein)
Chalcedony (Microcrystalline Quartz) - SiO2
mineral
Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz)
Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates
igneous, sedimentary, and metamorphic
Blue Lace Agate
Cryptocrystalline variety of Quartz (SiO2)
mineral
Onyx
Onyx (a variety of Chalcedony, SiO₂)
Mineral
Yellow Agate
Silicon Dioxide (SiO2)
mineral
Blue Lace Agate
Silicon Dioxide (SiO₂), a variety of Chalcedony
mineral
Yellow Jasper
Tectosilicates (SiO2) with Goethite/Iron oxide inclusions
sedimentary
Red Jasper
Silicon Dioxide with Iron Oxide inclusions (SiO2 + Fe2O3)
sedimentary
Carnelian
Carnelian (a variety of Chalcedony, SiO₂)
Mineral
Green Agate
Silicon dioxide (SiO₂)
mineral
Leopard Skin Jasper
Chalcedony (cryptocrystalline Quartz)
Mineral
Carnelian
Carnelian (a variety of Chalcedony, which is a microcrystalline quartz, SiO₂)
Mineral
Red Jasper
Silicon Dioxide (SiO2) - Microcrystalline Quartz
sedimentary
Blue Lace Agate
Silicon dioxide (SiO2) - Chalcedony variety
mineral
Yellow Jasper
Silicon Dioxide (SiO2)
sedimentary
Blue Lace Agate (often dyed)
Silicon dioxide (SiO2) - variety of chalcedony
mineral
Banded Agate
Chalcedony (SiO2 with impurities)
mineral
Black Veined Jasper (Spiderweb Jasper)
Silicon Dioxide (SiO2)
sedimentary
Yellow Jasper
Silicon Dioxide (SiO2) with iron inclusions
sedimentary
Blue Agate (Dyed)
Silicon Dioxide (SiO2)
Sedimentary (formed from silica deposits)
Red Jasper
Jasper (a variety of Chalcedony, SiO₂ with impurities)
Mineral
Blue Lace Agate
Chalcedony (SiO2)
mineral
Agate Nodules
Cryptocrystalline Quartz (SiO2)
mineral
Carnelian
Carnelian (a variety of Chalcedony, SiO2)
Mineral
Yellow Jasper
Silicon dioxide (SiO2)
mineral
Agate
Agate (a variety of Chalcedony, SiO2)
Mineral
Tumbled chalcedony (likely milky agate)
Microcrystalline quartz, SiO₂ (chalcedony)
mineral
Ocean Jasper
Orbicular Jasper (variety of Chalcedony/Quartz, SiO2)
sedimentary