Most likely Hubei turquoise, a beautiful design by Chris and Kara Vega, Spirit Treasures.  Fits a ring size 6.5, surface measurement is 1 3/8”long x just a bit over 1”wide.  A very deep blue turquoise with black matrix.  No issues with silver or stone, in its original purchase condition.  Purchased directly from them.  Please ask any questions and thank you for looking.  Mailed fully insured.