30.5 Carats Free Form Natural Unique 2 Tone Boulder Blue Moon Turquoise Cabochon

16.35 carats old stock natural hand cut free form Blue Moon Boulder Turquoise Cabochon by Xutšu. Very rare and unique stone with medium blue river of turquoise surrounded by quartz and black chert with a blotch of bright green turquoise in the middle of the blue! Making this cabochon, one of a kind. This cabochon is lightly backed for stability.