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Mining Businessethiopian Opals Price Guide

opal buying guide - international gem society,step 4: gem grading. lesson 18. back to syllabus. opal gemstones are evaluated a little differently than other gemstones. the international gem society opal price guide features a grading system and terms unique to opals. a full description of these differences can be found in our premium article on appraising opals..opal stone price around the world - opal jewelry - opal pendants, …,price develops into $100 to $150 per carat. the image above is a medium grade crystal opal which is in the category of white or pale opal. this particular stone would sell for around $100 per carat in a jewelry shop. crystal opal approx $150 to $200 per carat..buy ethiopian opal online - ethiopian opal stones for sale @ best …,in a very small time span, ethiopian opals have emerged as a brand in the international gemstone industry. discovered in the early 90’s, this new opal variety was found in the mining location of yita ridge and mezezo (stayish mine) of shewa province in africa..ethiopian opals grading and patterns | opal auctions,we created a guide to all of the ethiopian opals patterns and grading factors to help buyers with selecting the best possible opal for the price. it outlines the key features of this type opal. srsw1srs what i have seen at sites & at the gem shows is wholesale crystal.

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