61 Carats Free Form Natural Blue Moon Boulder Turquoise Cabochon Lot

61 carats old stock natural hand cut free form Blue Moon Boulder Turquoise Cabochon Lot by Xutšu. Medium/deep blue turquoise in black chert and quartz. The symmetry of the matrix in this stone is trade mark blue moon. This is the only mine that produces turquoise that looks this way! This cabochon is lightly backed for stability.