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Types of Chalcedony - Colored Gemstones Guide

A form of microcrystalline quartz, the chalcedony family of stone encompasses a dozen different colored gemstone varieties. Some of these varieties include agate, carnelian, chrysoprase, onyx, jasper, blue chalcedony, pink chalcedony, and aqua chalcedony. In case you are thinking about whether chalcedony are real gemstones or not, well, yes, they are. They are semi-precious gemstones. Most of the chalcedony stones are found in colors of blue, gray, or white. The blue chalcedony variety, in particular, is found to be the most valuable because it shows subtle adularescence – which is nothing but an internal glow, which is shown in gemstones such as the moonstone.

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