Sapphire
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- GEOLOGY of CORUNDUM and EMERALD GEM DEPOSITS : a R EVIEW Gaston Giuliani and Lee A
- Ruby and Sapphire Grading Tools
- Lapidary Journal Jewelry Artist March 2013
- “The Montana Queen” a Rock Creek Sapphire
- Gemstone Firing Guide
- Gemological Characterization of Sapphires from Yogo Gulch, Montana
- Pink Sapphire Engagement Ring by Simon G, RG-2130 the Delicate
- The Yogo Sapphire Deposit Developed in 1987 (Mychalulz, 1992)
- Dual-Color Double Stars in Ruby, Sapphire, and Quartz
- Corundum Deposits of Montana
- Colored Stones Identification Chart for Presidium Gem Indicator
- Kyäni Compensation Plan, There Are Two Genealogy Trees, the Sponsor Tree and the Placement Tree
- Red Ruby Or Pink Sapphire, That's the Question
- Ruby and Sapphire from the Southern Ural Mountains, Russia
- Sapphires: the Gem of Many Colors
- Silver Jewellery Market Entry Strategy
- Sapphire Series Product Catalog
- Live Brilliantly Exclusive