Quantity: 1 Piece Origin: Ethiopia, Welo Treatment : Untreated (No oil, no treatment) Stock Code: M8851 FREE Combining ~ Combine in 3 days. Payment must be paid in full within 3 days Remark: This is specimen grade polished opal, prefer to keep in wet due to less stability, if keep dry, perhaps crazed or crack will occur, if this occur, the only solution is re-polished (crazed), recut (cracked) or opticon treatment (stabilized). We cut all these without any oil treatment, we just preserve them in wet, in natural form.  Tips: If you wish to make them to gems grade in stable quality, you need to let them dry for 3-4 months, then let the crazed occur, once crazed occur, repolish it again, then you will get a gem grade without cracked or crazed. This takes few months. SINGLE SHIPPING CHARGE, FREE COMBINING Registered Post 25-45 days depend on your country custom handling. FedEx Express Service 3-7 days. Combining period is 3 days since first winning item. Return / Exchange Policy You may return your item for exchange for all type products which states that in 7 days if you do not 100% satisfied with your purchase, you may just exchange / refund the product. All buyer must pay for returning shipping fee no matter what issue.