Blue Topaz Faceted Sterling Silver PendantAn electric blue that seems lit from within, faceted to maximize its depth. Topaz is an aluminum fluoro silicate (AlSiO(F,OH)) forming in orthorhombic crystals in granitic pegmatites and hydrothermal veins. Natural colorless or pale topaz is irradiated and then heated to produce the vivid blue colors seen in commercial jewelry; the blue in this range is stable and permanent under normal conditions. Mohs 8harder than most gems in its price range, and
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