The more transparency and 'fire' it has, and the more intense the deep red of its body colour, the more valuable it will be. The rarest, and thus the most highly esteemed, is the intense red-orange fire opal from Mexico with its strong play of colour. Fire opal is a transparent or translucent opal that is mainly formed in the depth of volcanoes or lava when the water gets trapped in the crystal. Gemstone Type: Opal Species: Natural Fire Opal Dimensions: 18.90 x 10.21 x 7.48 mm Clarity: Transparent ( Internally Flawless ) Colour: Intense Orange Shape: Pear - Modified Brilliant Cut Treatments: No Indication of treatment. Certificate: ICA TG25G118176 Payment Policy International Payments Are Accepted Only By Payoneer. We Won’t Ship Items Until The Payment Is Received In Full And Payment Is Verified. 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 DHL Express - FedEx from Bangkok, Thailand #LuxuryJune #blackopal #opaljewelry