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3 of 3 people found the following review helpful:
5.0 out of 5 stars
The leading authority on emeralds,
By A Customer
This review is from: Emerald and Other Beryls (Hardcover)
John Sinkankas' Emerald and Other Beryls is a must have have book for all gemologists. As Director of the Smithsonian Institute's Natural History Museum, Sinkankas' experience and knowledge on the subject is unsurpassable. As an emerald exporter myself, I have learned more about the characteristics of the gemstone from him than any other source I have looked into. Excellent information. A. Morales Bogota, Colombia
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Emerald and Other Beryls by John Sinkankas (Hardcover - 1981)
Used & New from: $49.98
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