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Gemstones of the World by Walter Schumann

Gemstones of the World is truly the single volume that every hobbyist, jeweler, jewelry maker, and rockhound needs: it’s the cornerstone of the field. And this updated edition contains a host of new findings on “Gemstones for Collectors,” additional gems in the “Table of Constants,” and the “double fraction” figures that experts have long wanted—a very special new feature.

All the gemstones are treated in their many variations: more than 1,500 full-color photos showcase each precious and semiprecious stone in both its rough, natural, and its polished and cut renditions. Each entry offers complete information on the gemstone’s formation, structure, physical properties, and characteristics, along with the best methods of working, cutting, and polishing it. There are even full treatments of lesser-known gems, from andalusite to vesuvian, and a special section is devoted to rocks as precious stones, including alabaster, onyx, obsidian, and fossils. Organic gem materials are also covered, such as coral, ivory, amber, and pearl. Charts and tables help collectors identify unknown gemstones and check for genuineness.
Gemstones of the World, by Walter Schumann

The International Amber Association
has produced three short films on Amber which are extremely informative.
The first is a presentation on the history, lore and legend surrounding amber. Each additional video gives a more in depth glimpse into the fascinating topic.
The capability of directly showing YouTube Videos through the site opens up tremendous possibilities for the sharing of knowledge and topics. You are all invited to add your own videos to appropriate topics on the Gemology Project.
To view the series of Films on Amber,
CLICK here
and scroll to the bottom of the page