Topaz References in Antique Gemological Books

Blue Topaz 355 carat Natural Blue Topaz (bottom page) Blue Topaz in association with Chrysoberyl Many Blue Topaz localities Blue Topaz occurrences Chittagong District Australia Blue Topaz “Pale Blue Topaz” called “Brazilian Sapphire” Refraction of Blue Topaz and influence of light (bottom page) Classic Topaz Localities — World Topaz from Ouro Preto (Villa Rica), Minais

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