You are looking at a handmade sterling silver turquoise pendant. The natural turquoise gemstone is blue Kingman turquoise. As you can see this turquoise pendant.  Chain sold separately.

Turquoise Pendant Measurements: 2 5/16" in. long x 7/8" in. wide
Turquoise Stone Measurements: 15mmx16mm
Turquoise Pendant Weight: 8.9 grams