Ametrine is a rare, natural quartz combining purple amethyst and yellow/orange citrine in one crystal, formed by specific iron & temperature conditions, primarily from Bolivia's Anahi Mine; it's durable (Mohs 7), often step-cut to show its unique color blend, and valued for its distinctive bicolor effect Gemstone Type: Ametrine Species: Natural Quartz Dimensions: 25.68 x 19.75 x 16.60 mm Clarity: Transparent Colour: Purple Yellow Shape: Octagon - Step Origin: Bolivia Treatments: This type of gemstone is not commonly treated Report: ICA TH25G118692 Import Customs Tax The Buyer Is Fully Responsible For Any Import Customs Duties And Taxes In Their Country. We Do Not Have Any Control Over These Duties, Taxes &, Etc. Import duties, taxes, and VAT are not included in the item price. Return Policy After Receiving The Item - "Contact Seller Within - 7 Days" Shipment We ship via Expedited Shipping UPS - DHL Express - FedEx from Bangkok, Thailand #collectorsgem