Our stones come from a private collection that we have had for over 47 years and some of the last great stones left available They have been high graded and personally cut and polished by us. Each stone dictates the piece you will build around it. We have opened up our vault so these beauties can be shared. The photo you see is the actual stone you will be receiving. This very rare stone comes from out of Arizona's Bisbee Mine. It has very rare beautiful Quartz and Iron Pyrite smokey matrix, run a deep blue, and is ideal for setting in gold or silver. These incredible cabochon weighs 16.0 total cwt. and measures 18 X 22 mm. Stones are backed, cut and polished, ready to set. Ships in 2 business days. Contact Seller for other Shipping Options. 15 Business day returns for stones allowed. Stones must be undamaged and in original condition.