Turquoise #160 | Royston Rings Warm water with mild soap

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

5 to 7 on the Mohs hardness scale

While the majority of material comes from Queensland

18mm x 4mm

bezel measurements: 13mm x 8

Turquoise #160 | Royston Rings Warm water with mild soapThe 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