35 carats old stock natural hand cut free form Blue Moon Boulder Turquoise Cabochon by Xutšu. Medium/deep blue boulder cut with 2 tone blue/green outline highlights. Take the time to look at this amazing stone, it has so much going on. It is hard not to keep this one for our jewelry, then again, i might pull it down and use it at some point! 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.