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- [23] Ruby, sapphire, and spinel mining in Vietnam: An update GEMS & GEMOLOGY, 2010, 46 (02): : 151 - 152
- [24] GROWTH OF RUBY AND SAPPHIRE CRYSTALS BY THE FLUX METHOD QUIMICA NOVA, 2010, 33 (05): : 1104 - 1108
- [26] Update on ruby and sapphire mining in Pakistan and Afghanistan GEMS & GEMOLOGY, 2010, 46 (04): : 319 - 320
- [28] ULTRAVIOLET ABSORPTION AND EXCITATION SPECTRUM OF RUBY AND SAPPHIRE JOURNAL OF CHEMICAL PHYSICS, 1966, 44 (05): : 1940 - &