Color encyclopedia of gemstones pdf torrent

Pdf / English / 1987 / 330 pages / 52.6 MB

SECOND EDITION - JOEL E. AREM, PH.D., FG.A.

Since 1977, gemologists, gem collectors, jewelers, and gem dealers have relied on this acclaimed sourcebook for immediate access to essential information on gems.
Now fully updated and revised, Color Encyclopedia of Gemstones , Second Edition, is the most complete and comprehensive tabulation ever available on the properties of all known gemstone species and varieties. With speed and convenience, the Encyclopedia will direct you to concise and accurate data on a particular gemstone's physical properties, occurrence, chemistry, availability, rarity, and market potential. And the book's spectacular full-color photographs over 300 in all—illustrate many gems that are depicted in no other gemstone book