Mojave Purple Turquoise Ring in Sterling Silver by Barse Size 6

Vintage cast sterling silver ring that is set with a large Mojave purple turquoise stone. The ring was made by Barse. It is a size 6 and the face measures 1 1/8" long. It weighs 17.2 grams. 

This turquoise is man altered real turquoise nuggets that are dyed purple and compressed together with bronze metal as a matrix. As you can see, some of the turquoise was less porous and did not accept the dye. 

Hallmarked inside.