Mineral book:"Gemstone and mineral data book", John Sinkankas, 1972

Description

Here is a classic book from john Sinkankas in good condition. I realized I have offered this specific book before, but without dust jacket. This book presents a "hodge podge " of data, all useful to anyone working with minerals and gemstones, from cleaning techniques to preparation.
Please be advised, I ship with Priority shipping, padded envelope.