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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
Types of Chalcedony - Colored Gemstones Guide
A form of microcrystalline quartz, the chalcedony family of stone encompasses a dozen different colored gemstone varieties.
