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Coatings: A New Tanzanite Treatment Uncovered CAMEO
Coatings used to give tanzanite a deeper (blue) color? The American Gem Trade Association Gemological Testing Center (AGTA-GTC) and American Gemological Laboratories (AGL) received a number of faceted...
View ArticleTanzanite Consumer Information
Care Tanzanite is delicated and should be treated with the utmost care Clean with damp cloth and/or soapy water only Tanzanites in large sizes, and rich colour are desirable for collections. Some...
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