vintage Southwest Arizona Blue Sky Turquoise Sterling Silver Square Pendant 12g

Description

As a striking and mesmerizing large slab of Arizona blue sky turquoise. The color on it is captivating. It has a wonderful solid sterling silver ribbon basil with a river rope halo and has been stamped are by the artist
I was told is blue sky turquoise and it looks like it to me but I do not have paperwork from the mine
vintage Southwest Arizona Blue Sky Turquoise Sterling Silver Square Pendant 12g.