natural old stock Ithaca peak blue Kingman turquoise handmade sterling silver pendant necklace

genuine old stock Ithaca peak high blue Kingman turquoise cabachon is set in handmade sterling sliver pendant necklace
I cut and polished this turquoise cabachon from rough material that came from the mine in the 1950's They didn't get much of this high grade material in that peak mining period. This has the rare red matrix
the turquoise is 22 x 18 mm and 14.5 carats
the 1.4 mm sterling silver chain is 20 inches
comes with black velvet gift box