Turquoise #157 | Pinto Valley Opal It is not recommended to

It is not recommended to put chrysocolla in chemical silver cleaner unless you know for certain it is agatized (the result of having a high silica content)

stone measurements: 18

22mm x  23

stone measurements: 30mm x 16

The Weight: 10

Turquoise #157 | Pinto Valley Opal It is not recommended toThe Stone: Turquoise natural stabilized The Weight: 10. 52 carats The Origin: Pinto Valley Mine, Arizona The Cut: Oval Cabochon Cut stone measurements: 17. 2mm x 14. 8m x 4. 7mm The Color: Blue with Black matrix 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,