Turquoise #160 | Royston Rings bezel measurements: 13mm x 8

bezel measurements: 13mm x 8

18 single cuts

It is estimated that Colombia produces 70-90% of emeralds on the world market

Warm water with mild soap and a soft bristled toothbrush should not harm coated topaz if not brushed aggressively

While the majority of material comes from Queensland

Turquoise #160 | Royston Rings bezel measurements: 13mm x 8The Stone: Turquoise natural stabilized The Weight: 16. 78 carats The Origin: Royston District, Nevada The Cut: Barrel Cabochon Cut stone measurements: 23. 68mm x 17. 61mm x 6. 27mm About Turquoise: What once was regarded a common byproduct of copper mining is now realized to be a rather scarce gem. Typically found in or near copper mines around the world, turquoise from each locality differs in color, quality, character, and rarity. Certain mines are