Botryoidal Chalcedony
Chalcedony (SiO2)
Category
Browse mineral_variety_of_chalcedony specimens identified by the Rock Identifier community.
Botryoidal Chalcedony
Chalcedony (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite (Fe2O3) inclusions
Chalcedony
Chalcedony (SiO₂)
Tumbled Stones (various)
Mixed Silica-based Minerals (primarily Quartz and Chalcedony)
Yellow Jasper
Silicon Dioxide (SiO2) with iron oxide impurities
Jasper
Jasper (Silica/Quartz) - SiO2
Black Onyx
Onyx (Silicon Dioxide, SiO2)
Yellow Jasper
Silicon Dioxide (SiO2) with Goethite/Iron oxide inclusions
Banded Agate (specifically Carnelian Agate)
Silicon Dioxide (SiO2) - Cryptocrystalline Quartz
Jasper
Jasper (Silicon Dioxide, SiO2)
Pink Dyed Agate
Silicon Dioxide (SiO2) - Variety Agate
Tumbled Green Jasper
Silicon Dioxide (SiO2) with mineral inclusions
Jasper (Iron-rich Chalcedony)
Jasper (Microcrystalline Silicon Dioxide, SiO2 plus iron oxide impurities)
Jasper (Green)
Silicon Dioxide (SiO2) with impurities
Banded Agate
Silicon Dioxide (SiO2)
Ocean Jasper (Orbicular Jasper)
Silicon Dioxide (SiO2) with iron and magnesium inclusions
Red Moss Agate or Jasper-Agate
Silicon Dioxide (SiO2)
Red Jasper
Silicon Dioxide (SiO2) with Hematite inclusions
Green Chalcedony (likely Chrysoprase or Green Onyx)
Silicon Dioxide (SiO2) with trace nickel or chromium inclusions
Chalcedony (Agate/Chert)
Silicon Dioxide (SiO2)
Agate (Water-Worn Pebble)
Silicon Dioxide (SiO2) - Chalcedony
Jasper, possibly Brecciated Jasper or Ocean Jasper due to patterns and color
Silicon Dioxide (SiO2), a variety of Chalcedony
Jasper
Silicon dioxide (SiO2) with impurities
Jasper
Jasper (Silicon Dioxide, SiO2)
Jasper with Chert
Silicon Dioxide (SiO2) - Microcrystalline Quartz
Moss Agate
Chalcedony (SiO2) with inclusions of manganese or iron oxide
Chalcedony (Agate/Quartz variety)
Cryptocrystalline Quartz (SiO2)
Moss Agate
Chalcedony (SiO2) with inclusions of hornblende or chlorite
Agate
Silicon Dioxide (SiO2) - Banded Chalcedony
Yellow Agate
Chalcedony (cryptocrystalline Quartz), SiO2
Purple Dyed Agate Geode (Banded Chalcedony)
Silicon Dioxide (SiO2) - variety: Agate
Mixed collection of minerals and rocks (Jasper, Carnelian, Granite, and Quartz)
Silicon Dioxide (SiO2) with varying impurities for silicates and igneous aggregates
Yellow Jasper
Jasper (Silicon Dioxide with Iron Oxide inclusions), SiO2
Yellow Jasper
Silicon Dioxide (SiO2)
Red Jasper
Jasper (Silicon Dioxide, SiO2 with Fe2O3 inclusions)
Red Jasper
Jasper (Silicon Dioxide, SiO2)
Dendritic Agate (River Pebble)
Silicon Dioxide (SiO2) with Manganese or Iron oxide inclusions
Ocean Jasper
Orbicular Jasper (Silicon Dioxide, SiO2)
Tree Agate
Silicon Dioxide (SiO2)
Red Jasper (Opaque Chalcedony)
Jasper / Silicon Dioxide (SiO2) with Ferric Iron inclusions
Blue Chalcedony (Tumbled)
Silicon Dioxide (SiO2)
Carnelian
Carnelian (Silicon Dioxide - SiO2)