IGI Reported num: 496110270 Species: NATURAL DİASPORE Shape and Cutting Style: Cushion Mixed Cut Weight: 3.18 carats Measurements: 12.01x6.67x4.32 mm Color and Transparency: Yellowish Green/Brownish Purple Transparent Charecteristics: Natural İnclusions Pattern Optical and Physical Properties Refeactive İndex: 1.702 - 1.750 Birefringence: 0.048 Optic Character: BİAXİAL Optic Sign: + Specific Gravity: 3.3 One Beautyful Original Diaspore from Türkiye A wonderful Jewelry Stone for Necklaces and Rings The Photos say more You can see all details in the Photos important notice Note:1 Shipping only with Express Air Cargo Dhl/Fedex/Ups to Europe and World Wide insured shipping-Tracking code Note:2 This is fast shipping Mainland incomming 2-3 days Note:3 This is fast shipping Note: 4 Not Sales & Shipping you Poland because Customer Problem