Species : Sphalerite Weight: 5.73 ct Measurements: 10.8 x 9.46 x 6.72 mm... Color: Orange Cut: Cushion Cut Treatment: No Treatment Origin: Spain (Seller's Opinion): Conditions: Sphalerite is a zinc sulfide mineral, also known as blende or zinc blende, that serves as the primary ore of zinc. It appears in various colors, from clear to black, with a resinous or adamantine luster, and has a Mohs hardness of 3.5 to 4. Its key identifying features are its perfect dodecahedral cleavage, a white to yellowish-brown streak, and often a sulfurous odor. Customs and taxes: Your country of residence may apply extra customs duties and import taxes. Extra VAT calculations are based on the tax system of your country. We cannot be held responsible for any extra expense incurred for importing items into the purchaser's country of residence. *Please note that the buyer is always responsible for customs duties on international shipments. If you want to know the detailed amount, please contact the tax office in your area. Shipping: Expedited shipping worldwide. Shipping is insured with a tracking number. We will not accept to declare a lower value of the items or "GIFT" on the parcel. If the winning bidder decides to cancel / withdraw they will bear risk, cost of all shipping