John Skeets Blackjack TurquoiseRingMade by acclaimed Navajo silversmith John Skeets. It features a large, rectangular Blackjack Turquoise cabochon, a rare and highly sought after variety mined by the Otteson family in Tonopah, Nevada. Size 8. 5 The Details The Stone: Known for its "ribbon" or brecciated patterns, this Blackjack stone showcases vibrant veins of sky blue and golden orange set against a deep, dark chert matrix. The Setting: Expertly framed in . 925 sterling silver with an