Agate chalcedony: The mineral Agate information and pictures
The Mineral agate Agate is the banded form of the mineral Chalcedony, which is a microcrystalline variety of Quartz. Agate is the most varied and popular type of Chalcedony, having many varieties on …
Agate: The gemstone agate information and pictures - The Mineral and ...
Agate is a banded form of finely-grained, microcrystalline Quartz. The lovely color patterns and banding make this translucent gemstone very unique. Agates can have many distinctive styles and patterns, …
Chalcedony: The gemstone Chalcedony information and pictures
Detailed gemstone and jewelry information guide about the gemstone chalcedony, including blue, agate, jasper, carnelian, & chrysoprase.
Carnelian: The gemstone carnelian information and pictures
Carnelian is the red, orange, or amber variety of Chalcedony. Though often a solid color, it may also be banded, in which case it would be jointly classified as both Agate and Carnelian. Carnelian is an …
Chalcedony quartz: The mineral Chalcedony information and pictures
Chalcedony is not scientifically its own mineral species, but rather a form of Quartz in microcrystalline form. However, the name is an old name, and almost all mineral reference guides and collectors …
The Mineral and Gemstone Kingdom: Image Photo Gallery
Agate is a banded form of finely-grained, microcrystalline Quartz. The lovely color patterns and banding make this translucent gemstone very unique. Agates can have many distinctive styles and patterns, …
Jasper: The gemstone jasper information and pictures
Agate Jasper - Opaque multicolored Jasper, or Jasper with banding; may also refer to a single stone with a combination of both Agate and Jasper. Biggs Jasper - Jasper from Biggs Junction, Oregon, …
Gemstone varieties and trade names - A-Z
Some important gemstones are not here yet. We are constantly working on expanding this list.
Minerals - Comprehensive guide to Rocks and Minerals
Interactive guide to hundreds of rocks and minerals.
Carnelian Agate - The Mineral and Gemstone Kingdom
Carnelian Agate - The Mineral and Gemstone Kingdom Banded form of Carnelian. May be correctly classified both as Carnelian and Agate.