The Montreal School of Gemmology bookstore offers a selection of books and instruments for sale to its students or other interested parties. Prices include GST and PST INSTRUMENTS 10x LOUPE $40 Tweezers $40 Blocking tweezers $42 Tweezers and loupe together $64 Blocking tweezers and loupe together $66 Dark field loupe $325 BOOKS GIA charts Gemstones Property Chart (A & B) $35 Gemological Guidelines for Gemstone Durability in Jewelry $17 Gem treatments $28 Gem Reference Guide , 270 pages, 1993. $ 245 Gubelin & Koivula, Photoatlas of Gem Inclusions, GIA, 532 pages.  $ 397 Koivula, John, The Microworld of Diamonds, $ 160. Liddicoat, Richard T. Handbook of Gem Identification, GIA, 1981, 450 pages. $ 65 Newman Renée, 5 buying guides, Diamond, Pearl, Ruby & Sapphire & Emerald, Gold Jewelery, Gemstones. $ 35 each. 10% discount for five. Schumann, W., Gemstones of the world, Delachaux et Niestlé, Paris, 1997, 239 pages. $ 38 Ward Fred, Emeralds, Jade, Pearls, Opals, Rubies & Sapphires, Diamonds , $ 26.75 each, 15% discount for six. Webster, Robert, Gems: Their sources, Descriptions and Identification, 4th ed. Butterworths, 1996. 1006 pages. $ 245 Top of page