Opal in South Australia By Books / Paperback Publisher: S.A. Dept of Mines & Energy, Price $21.84 Free Shipping Send to a friend Used - Good Good condition. Reprint, 1990. (opals, Australia) A copy that has been read but remains intact. May contain markings such as bookplates, stamps, limited notes and highlighting, or a few light stains. $21.84 1 in Stock at Warehouse Quantity Add Free Shipping to continental U.S. OR $1.00 per item discount if shipped to store.