Pink Banded Agate Garnet Gemstone 925 Sterling Silver Dangle Earrings

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Agate belongs to the quartz (silicon dioxide) family of minerals. The quartz group is the second most abundant mineral found on earth’s continental crust, second only to the feldspar mineral group. All quartz gemstones share the same silicon dioxide chemical composition, but are distinguished and separated into two main branches based upon differing crystal classes and formations. The two main branches of quartz include macrocrystalline quartz and cryptocrystalline quartz; agate belongs to the latter. More specifically, agate is a variety of chalcedony, which includes a wide range of other gemstones, including chrysoprase, bloodstone, jasper and carnelian.