7.95ct Australian Koroit Boulder Opal Rub. Bright Gem Colors and flashy. SEE VIDEO. This one-of-a-kind Boulder Opal stone would make a great addition to your opal collection or further process into a luxurious piece of jewelry. Please see photos and video for details and condition. Add 3.99 shipping via USPS. Combined Shipping is $1.00 for additional mineral or gemstone specimens. TO COMBINE SHIPPING, ON A LAPTOP OR COMPUTER, ADD ITEMS TO CART ,COMMIT TO BUY AND "REQUEST TOTAL FROM BUYER" IN THE TOP MIDDLE AREA .THAT WAY YOU CAN ASK FOR TOTAL BEFORE PAYING.  If you don't see the savings on your invoice, message me for the discount.  Thanks for viewing my other great listings at my store "Rhythm and Cards"