Bold, a statement, this "prayer box" -hollow form style- ring with an adjustable wide shank -the band that fits the finger- holds a massive raw turquoise nugget on top of an oblong hollow form with bars and perforations as embellishments adding a stronger industrial feel. It is 7 1/2 plus right as is but is adjustable to a larger size. 
One of a kind, its "tower" measures 42mm tall total
The stone is 32 x 25 x 17mm
the shank wide is 15mm