Colored Gemstones 4th Edition: The Antoinette Matlins Buying Guide–How to Select, Buy, Care for & Enjoy Sapphires, Emeralds, Rubies and Other Colored Gems with Confidence and Knowledge Format:Paperback Until 1933 the refractometer and

Until 1933 the refractometer and the microscope were the two principal tools in gem testing

The 50th Anniversary of his historic book includes a touching and personal new forward by his wife

Based upon scores of interviews with family and friends (including the intimate diaries of Virginia Ruth Laurel

Developing team spirit

Asks why more intelligent individuals are not better (and are

Colored Gemstones 4th Edition: The Antoinette Matlins Buying Guide–How to Select, Buy, Care for & Enjoy Sapphires, Emeralds, Rubies and Other Colored Gems with Confidence and Knowledge Format:Paperback Until 1933 the refractometer andAll the information readers need to buy beautiful colored gemstones with confidence, now updated and expanded! With more varieties than ever before to choose from, including altogether new gems, revolutionary new cuts and new ways to buy gemssuch as Internet auctions and TV shoppingthere has never been a more exciting time to buy or collect colored gemstones. But there are also new high tech treatments and sophisticated frauds to look out for. Lack of