natural Ithaca peak Kingman turquoise gemstone handmade sterling silver pendant necklace

Natural high grade Ithaca peak Kingman turquoise gemstone is set in a handmade sterling silver pendant necklace
I cut and polished this turquoise from rough material that came out of the mine in the 1950's
the turquoise is 25mm x 14mm and 14 carats.
the sterling silver chain is 20 inches
comes with black velvet gift box