Gemstones of the World by Schumann, Walter Hardback Book The Cheap Fast Free

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Author:Schumann, Walter. "Gemstones of the World" is the most comprehensive and informative colour manual of the world's gemstones and includes more than 1,400 examples. The tables on gemstones' properties and constants provide a basic system of elimination for all unidentified stones.

6.49 GBP