Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Category
Mineral_variety_of_chalcedony
Browse mineral_variety_of_chalcedony specimens identified by the Rock Identifier community.
Learn about Mineral_variety_of_chalcedony in the encyclopedia
View all →
Brown chalcedony (possibly carnelian)
Microcrystalline quartz, SiO₂; carnelian is orange-red chalcedony
mineral
Chalcedony
Chalcedony (SiO2)
mineral
Jasper
Chalcedony (SiO2)
mineral
Carnelian Agate
Silicon Dioxide (Chalcedony variety)
mineral
Ocean Jasper
Orbicular Jasper (variety of Chalcedony)
mineral
Polished jasper-like stone
Likely chalcedony (microcrystalline quartz, SiO₂), possibly brecciated jasper
mineral
Tumbled carnelian agate
Carnelian, a reddish-orange variety of chalcedony (microcrystalline quartz, SiO₂)
mineral
Jasper or Agate
Silicon dioxide (SiO2)
Mineral
Moss Agate
Silicon Dioxide (Chalcedony variety)
mineral
Chalcedony
Silicon Dioxide (SiO2)
mineral
Chalcedony
Chalcedony (SiO2)
mineral
Polished orbicular jasper (likely ocean jasper)
Silicified microcrystalline quartz (SiO₂), commonly called orbicular jasper or ocean jasper
mineral
Jasper
Microcrystalline Quartz (SiO2)
Sedimentary/Mineral
Red jasper (probable)
Jasper, an opaque microcrystalline variety of quartz; SiO₂, commonly colored by iron oxides
mineral
Polished orange jasper
Jasper, an opaque microcrystalline variety of quartz (SiO₂), colored by iron oxides
mineral
Polished agate geode slice
Microcrystalline quartz (chalcedony), SiO₂
mineral
Polished jasper pebble
Jasper (microcrystalline quartz, SiO₂)
sedimentary
Agate
Agate (Chalcedony), SiO2
Mineral
Tumbled pale-yellow chalcedony (possibly yellow jasper)
Microcrystalline quartz, SiO₂; chalcedony/jasper varieties
mineral
Tumbled chalcedony (likely moss or gray agate)
Microcrystalline quartz, SiO₂; chalcedony/agate variety
mineral
Tumbled yellow-orange chalcedony (likely carnelian)
Microcrystalline quartz, SiO₂; iron-bearing variety commonly called carnelian
mineral
Jasper
Chalcedony (SiO2)
mineral
Brown chalcedony (likely agate)
Microcrystalline quartz, SiO₂; chalcedony, possibly banded agate
mineral
Chalcedony
Silicon Dioxide (SiO2)
mineral
Chalcedony
Silicon Dioxide (SiO2)
mineral
Chalcedony
Silicon Dioxide (SiO2)
mineral
Jasper
Silicon dioxide, SiO2
Mineral
Blue Chalcedony
Silicon Dioxide (SiO2)
mineral
Tumbled jasper (likely picture jasper)
Jasper, an opaque microcrystalline variety of quartz (SiO₂); exact variety uncertain from the photo
mineral
Green tumbled agate (likely green chalcedony)
Chalcedony, microcrystalline quartz (SiO₂); exact identification is uncertain from the photo
mineral
Tumbled chalcedony (likely brown agate)
Chalcedony, microcrystalline quartz (SiO₂); possibly agate
mineral
Polished pink-orange chalcedony (likely carnelian)
Microcrystalline quartz, SiO₂; carnelian is orange-red chalcedony
mineral
Jasper
Microcrystalline Quartz (SiO2)
mineral
Carnelian Agate
Silicon Dioxide (SiO2)
mineral
Iron-stained chalcedony or jasper
Microcrystalline quartz (SiO₂), likely ferruginous jasper/chalcedony
mineral
Tumbled/rounded agate (likely mossy or brecciated chalcedony)
Microcrystalline quartz, SiO₂ (chalcedony/agate)
mineral
Agate (Puddingstone style)
Silicon Dioxide (SiO2) with impurities
mineral
Tumbled chalcedony or quartz-rich chert
Microcrystalline quartz (SiO₂), likely chalcedony with iron-oxide staining
mineral
Agate
Cryptocrystalline quartz (SiO2)
Mineral
Chalcedony
Chalcedony (a microcrystalline variety of Quartz, SiO2)
Mineral
Polished banded agate
Microcrystalline quartz (SiO₂), chiefly chalcedony
mineral