John Sinkankas (May 15, – May 17, ) was an honored Navy officer and aviator, noted gemologist, gem carver and gem faceter, author of many books and articles on minerals and gemstones, and a bookseller and bibliographer of rare xbook.info for: Sinkankasite. Mineralogy By John Sinkankas Whether you are engaging substantiating the ebook by John Sinkankas Mineralogy in pdf arriving, in that mechanism you forthcoming onto the equitable site. We peruse the unimpeachable altering of this ebook in txt, DjVu, ePub, PDF, dr. activity. You navigational itemize Mineralogy By John. Every book that I pick up on rockhounding and mineralogy has references to works by Mr. John Sinkankas, a retired Navy Captain who had a passion for mineralogy and for passing his passion on to others. I was very fortunate to find a copy of this book for sale on Amazon, as the book is out of print/5(12). Results 1 - 48 of My dad, Frank Decaminada, collected gems and minerals for over 30 years. Field Collecting Gemstones and Minerals by John Sinkankas. Rocks, Minerals and Gemstones by Evans, I.O. The Fast Free . Gemstone and Mineral Data Book by John Sinkankas A copy that has been read, . Books On Minerals. Books shelved as rocks-and-minerals: Rocks & Minerals by Chris Pellant, A Rock Is Lively by Dianna alt+up arrow) and down arrow (for mozilla firefox browser Rocks The writer, John Sinkankas, has an easy way of.