Turquoise #287 | Royston Opal 16 black diamonds (1

16 black diamonds (1

Black pearl with purple overtones set in a sterling silver filigree ring

The Center Stone: Spinel

Stone Measurements: 19

stone count: 1

Turquoise #287 | Royston Opal 16 black diamonds (1The Stone: Turquoise natural stabilized The Weight: 20. 34 carats The Origin: Royston District, Nevada The Cut: Oval Cabochon Cut stone measurements: 24. 26mm x 21. 43mm x 5. 5mm 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