Turquoise is always a symbol of water amongst Southwestern indigenous cultures. Water is important to survival in its most basic terms. In many other cultures, turquoise signifies the heavens or the spiritual self.
Created out of plate silver, a neat little "zig zag" strip frames the bezel set stone. Rolled sheet (probably ingot) is carefully crimped and strategically soldered to the bezel leaving a wonderful bit of openwork.
These can be converted to post or wire attractively for an additional $75.