All Auctions Showing 21–30 of 49 results Quick ViewBid nowDioptase Mineral Specimen From Brazzaville, Congo Starting bid: $189.00 Congo Quick ViewBid nowDioptase Mineral Specimen From Brazzaville, Congo Starting bid: $98.00 Congo Quick ViewBid nowDioptase Mineral Specimen From Brazzaville, Congo Starting bid: $196.00 Congo Quick ViewExpiredEnhydro Brandberg Crystal Auction Expired Namibia Quick ViewExpiredEnhydro Brandberg Crystal Auction Expired Namibia Quick ViewExpiredEnhydro Brandberg Crystal Auction Expired Namibia Quick ViewExpiredEttringite Auction Expired South Africa Quick ViewExpiredEttringite Auction Expired South Africa Quick ViewExpiredEttringite & Gaudefroyite & Braunite Auction Expired South Africa ← 1 2 3 4 5 →