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Kornerupine forms under high-temperature metamorphic conditions and is relatively uncommon in transparent faceted form
60 Carats total weight of tourmaline
Size: Max dimensions 21 x 13 x 11
Ruby Size: 5
Natural Amethyst — 10.97 ct, Brazil, Concave Pear Purple Kornerupine forms under high-temperature metamorphicThis 10. 97 carat amethyst from Brazil displays light lavender coloration with clarity consistent with IF grading. Brazilian amethyst forms in volcanic geodes where quartz crystals develop from silica rich fluids over extended geological periods. The stone is fashioned in a concave pear cut, utilizing curved facets to increase internal reflection. Heat treated (industry standard). Details: Origin: Brazil Weight: 10. 97 ct Size: 19mm x 12. 9mm x 8. 8mm
