December birthstone pendants feature three recognized gems: turquoise, tanzanite and blue zircon. Each carries distinct properties and origins. Turquoise forms in arid copper-rich regions, with significant deposits in Arizona, Nevada and Iran. Tanzanite comes from a single source near Mount Kilimanjaro in Tanzania. Blue zircon, often confused with synthetic cubic zirconia, is a natural mineral with high refractive index. Our collection includes 169 pendants, all set in .925 sterling silver with free US shipping.
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