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Gem Testing - Anderson, B

This unusual work is a complete treatise on the identification of precious stones that is thoroughly recommended for inclusion on the jeweller or antiquarian's bookshelf. Contents Include: Preface; How to Use The Book; Refractive Index and its Measurement; Double Refraction and How to Detect it; Colour, Colour Filters and the Dichroscope; Specific ... Read More

Gem Testing 2010, Sutton Press, Alcester

ISBN-13: 9781445512426

Trade paperback

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Gem Testing 2010, Sutton Press, Alcester

ISBN-13: 9781445516264

Hardcover

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Gem Testing 1990, Butterworth-Heinemann, London, England

ISBN-13: 9780408023207

Hardcover

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Gem Testing 1980, Butterworth-Heinemann

ISBN-13: 9780408004404

Unknown binding

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Gem Testing Newnes-Butterworth, London

ISBN-13: 9780408701273

Hardcover

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