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Book, 1991
Current format, Book, 1991, , No Longer Available.
Book, 1991
Current format, Book, 1991, , No Longer Available. Offered in 0 more formats
This work offers information on the properties/values of over 200 rocks, stones, jewels and other natural substances. From amber to zinc, and from diamond-edged blades to orthoclase-based porcelains, details about characteristic form, specific gravity, symmetry system, refraction, location, use and commercial value are provided.
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