Sacred to Indigenous people, beloved by collectors, one blue-green stone has huge cultural cachet in the “Land of Enchantment.” Indigenous artisans in New Mexico are known for their turquoise jewelry ...

The lack of a grading system for the popular stone has prompted a father-son team to spend the last five years working on one. Turquoise stones from the blue and green master sets at the Turquoise ...

The Duchess and Duke of Gloucester arriving for the state banquet on Tuesday. The origins of the turquoise and pearl fringe necklace are unclear, but Queen Mary was first recorded to have worn it in ...