Petrified Wood Nugget Ring in Sterling Silver Size 9 3/4

Vintage Southwestern sterling silver ring set with a pale rose colored petrified wood nugget. (Ring is pictured on rough specimen of same type of stone) Stone has a pearly sheen in some areas that looks almost like Mother of Pearl. 

Ring shank is hand stamp decorated and it is marked NF 925. (NF means Nickel Free) 

Face measures 1 1/8" by 3/4" and the stone stands up 5/8" tall .Weight: 17.6 grams.