6 Ergebnisse.

Since it was published in 1962, Gems has become universally recognized as the most comprehensive and authoritative treatise on gem materials in the English language. Now in its sixth edition, it has been revised for relevance to today's practice.

Gemstones is the first attempt in English to bring together the geological, mineralogical and gemmological developments that have taken place during the last thirty years. Though there have been many gemstone books published in that time, most have been concerned, understandably and rightly, with the science of gem testing and have covered that area very well. Details of the geological occurrence of many of the classic gemstones, and of nearly...

Producing Video for Teaching and Learning: Planning and Collaboration provides lecturers, researchers, professors, and technical staff in educational settings with a framework for producing video resources for teaching and learning purposes. This highly useful guide brings together the literature from the field into a constructive, developmental framework, prompting users to reflect on their own ideas at each stage of the production process. O...

Identification of Gemstones" is a comprehensive reference guide to gem and ornamental materials, and outlines all the features a gem tester has to know before making an identification. The experienced author team describe not only each natural gem species, but also their synthetic counterparts and the materials used as imitations, demonstrating how to avoid costly mistakes. End of chapter summaries, details of further reading, and the companio...

Starting with the theory of synthetic gem manufacture and an explanation of the production methods used for growing and/or improving crystals - with their ornamental application - the book moves on to list and identify the materials themselves.

Today buyers cannot be sure whether or not a gemstone is man-made, if its colour has been produced artificially and if it will survive life in a piece of jewellery. This book enables gemstone and jewellery buyers to find out for themselves.