Species: Zoisite Variety: Tanzanite Weight: 3.68 ct Measurements: 9.78 x 7.27 x 5.27 mm... Color: Violetish Blue Transparency: Transparent Cut: Octagon Modified Brilliant Cut Treatment: Heat Treatment Origin: Tanzania (Seller's Opinion): Laboratory Report No: TH25G115046 Conditions: General Information: Blue tanzanite is a rare and strikingly beautiful gemstone known for its vivid blue-violet hue. Found exclusively in the Merelani Hills of Tanzania, it is a variety of the mineral *zoisite* and was first discovered in 1967. Tanzanite's color can range from deep sapphire blue to vibrant violet, depending on the lighting and the stone's orientation. It is prized for its pleochroic properties, meaning it shows different colors when viewed from different angles. With a hardness of 6 to 7 on the Mohs scale, tanzanite is suitable for various types of jewelry but requires careful handling to avoid scratches or damage. 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