Title: Zircon Gemstones - A Collection of Historical Articles on the Origins, Structure and Properties of Zircon, Author: Various
Title: What's So Mysterious About Meteorites, Author: O. Richard Norton
Title: WHAT THINGS ARE MADE OF: America's Global Dependency on Just About Everything, Author: Richard I. Gibson
Title: Unlock the Magic of Crystals, Author: Alex Amore
Title: Técnicas de caracterización y procedimientos empleados en la mineralogía aplicada al beneficio de minerales, Author: Antonio Aragón
Title: Tourmaline Gemstones - A Collection of Historical Articles on the Origins, Structure and Properties of Tourmaline, Author: Various
Title: Topaz Gemstones - A Collection of Historical Articles on the Origins, Structure and Properties of Topaz, Author: Various
Title: The Mazinaw Experience: Bon Echo and Beyond, Author: John Campbell
Title: The Cutting, Setting and Engraving of Precious Stones - A Historical Article on Working Gemstones, Author: Louis Dieulafait
Title: The Classification, Identification and Characteristics of Gemstones - A Collection of Historical Articles on Precious and Semi-Precious Stones, Author: Various
Title: Stein: Faszinierender Wegbegleiter des Menschen, Author: Sabine Korsukéwitz
Title: Special Report Diamonds, Author: MyAppBuilder
Title: Silver Pendants and Stones-A Bottomless Reservoir For Silver Pendants, Sterling Silver Pendants, CZ, Silver Baltic Amber, Tanzanite, Marcasite, Silver Sandal, Silver Scarab and Silver Vial Pendants!, Author: Erica Rosoto
Title: Semi-Precious Stones - A Historical Article on Agate, Amber, Amethyst and Many Other Varieties of Gemstones, Author: Edwin W. Streeter
Title: Ruby Gemstones - A Collection of Historical Articles on the Origins, Structure and Properties of the Ruby, Author: Various
Title: Rocks, Roots and Rocky Mountains: A Geologist's Journal: 33 Days of Enlightenment on the Colorado Trail, Author: Craig A. Eckert
Title: Rocks, Roots and Rattlesnakes: A Geologist's Journal: 150 Days of Discovery on the Appalachian Trail, Author: Craig A. Eckert
Title: Rocks, Gems and Minerals: A Fully Illustrated, Authoritative and Easy-to-Use Guide, Author: Paul R. Shaffer
Title: Rochas e solos sob vinhedos do Brasil: Uma introdução, Author: Geraldo César Rocha
Title: Quartz & It's Crystals, Author: Jamie Richardson

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