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Gemstone & Mineral Data Book by John Sinkankas, published by Winchester Press in 1972. This comprehensive reference guide serves as a compilation of data, recipes, formulas, and instructions specifically designed for mineralogists, gemologists, lapidaries, jewelers, and collectors. It covers a wide range of technical topics including chemical testing, cleaning specimens, optical properties, and lapidary equipment.
Inv#. B46xB19
Keywords: Vintage, Mineralogy, Gemology, Lapidary, John Sinkankas, Reference Book, 1970s, Geology, Jewelry Making, Technical Guide, Science, Collecting, Winchester Press, Hardcover, Retro Aesthetics
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