What kind of turquoise is this Yvonne Bebo ring, please?

The ring is about 1 1/8" from north to south and signed Y. Bebo. The stone has some light craze lines and I am hoping someone can help me to identify the stone.Thank you!

It is stabilized turquoise, which hardens and deepens the color of the stone. I would assume this is a piece of Kingman Turquoise. The information I have on a Yvonne Bebo is active 1960 - 2009, worked for Atkinson Trading Company. Makes sense that this would be her hallmark, can’t think of a bunch of names starting with Y and the last name is unique.

Thank you for your time. The stabilizing makes perfect sense for the appearance.