EBOOK

Tourmaline Gemstones
A Collection of Historical Articles on the Origins, Structure and Properties of Tourmaline
Various Authors5
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About
Tourmaline Gemstones contains information on their properties, origins, structure and much more. Intended to illustrate the main features of tourmaline, it is a comprehensive guide for anyone wishing to obtain a general knowledge of the subject and to understand the field in its historical context.