Practical Gemmology A Study of the Identification of Gem-stones, Pearls, and Ornamental Minerals

This is a completely revised and up dated 6th edition of a book that for 23 years, has been recognized as the standard work for those learning how to identify gems and ornamental minerals. It is recommended by educational authorities as a course textbook; it is also particularly suitable as a self-instructor for those entering or hoping to advance in the jewellery and gem trades, or for the keen amateur.