 | | Thesis/Dissertation | | Geology and Gems of Mogok Area, Pyin Oo Lwin District, Mandalay Region 1 Tin Zaw Oo and 2 Nwe Ni Win ... Abstract Mogok area is situated about 200 km north of Mandalay and 148 km northeast of Shwebo. The study...96˚10'-96˚45' E longitude. Mogok can be easily accessed by car in 5-6 hours drive from Mandalay, depending on the...conditions. Geologically, the Mogok gems mining area is situated within the Mogok Metamorphic Belt (MMB). The...The MMB is a mid-Cenozoic orogenic belt that has suffered significant erosion due to weathering. It is |  | | Report (chapter) | | deposits of Myanmar KYAW THU1* & KHIN ZAW2 1 Macle Gem Trade Laboratory, Yangon, Myanmar 2 CODES ARC...briefly the origins of the major gem deposits in Myanmar. Myanmar is fortunate in containing world-class gem...pigeon’s-blood-coloured ruby from the Mogok Stone Tract in Mandalay Division, the Mong Hsu ruby deposit...purposes of description the gemstone deposits in Myanmar are classified into: (1) primary hard-rock deposits...Examples of the primary-type gems are ruby in marble (Mogok, Mong Hsu and Sagyin), sapphire in syenite pegmatite |  | | Journal (issue) | | MOGOK! L L The Mineralogical Record JANUARY–FEBRUARY 2022 • VOLUME 53 • NUMBER 1 • $25 KRISTALLE...Articles History, Mines and Minerals of the Mogok Stone Tract, Mandalay Division, Burma .......................nicknamed “The King of Mogok” and more recently the “King of Freedom,” from Mogok, Burma. Federico Barlocher...should bring tools they won’t mind losing, clothing that will be destroyed in the process, and abundant first...Over 40 years later, no other discovery has matched that of the 1978 find. Less than a handful of fine examples |  | | Journal (issue) | | Challengers Status of Ruby and Sapphire Mining in the Mogok Stone Tract Robert E. Kane and Robert C. Kammerling...exciting of all ruby sources, the Mogok Stone Tract of Burma (now Myanmar), has been off-limitsto Westerners...activities they observed in the course of two visits to Mogok, and provide a fascinating update on this locality...represent some of the superb material that has emerged from Mogok in recent years. The necklace contains...malala garnet, green tanzanite, and sunstone labradorite, which are the most important, among others. |  | | Book | | Intra- and Inter- Continental Comparisons from Myanmar and Eastern Australia Reprinted from: Minerals...Enigmatic Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights...the earth sciences. Recent statistics have shown that about 15 billion Euros are annually at stake. This...constrain the conditions of their formation. Given that gems are rarely available for scientific research...Gems are materials used for adornment or decoration that must satisfy several criteria where they must be |  | | Journal (issue) | | the official state mineral of Arizona. Considering that Arizona is the source of the world’s most beautiful...choice makes perfect sense. Here is the story of how that decision came about. 2013 The process began in 2013...the University of Arizona I was surprised to learn that Arizona did not yet have a state mineral. After...office, I was told that establishing such a state designation would require that a bill be submitted...Governor’s signature to become law. 2014 One might assume that, considering the historic importance of copper mining |  | | Book | | Marble-Hosted Gem-Quality Ruby and SpinelfromMogok,Myanmar Reprinted from: Minerals 2020, 10, 195, doi:10...OpaqueSulfideInclusionsinRubiesfromMogok,Myanmarand Montepuez,Mozambique Reprinted from:...papers and has written several well-received books that include Gemstones of the Southern Continents, The... Hobart. He has a BSc from Yangon University, Myanmar, in 1968, an FGA Diploma (Fellowships of Gemmological...Laos, Cambodia, Malaysia, Thailand, Indonesia, Myanmar and Malaysia), and has published a high number |  | Giuliani, Gaston, Groat, Lee, Fallick, Anthony, Pignatelli, Isabella, Pardieu, Vincent (2020) Ruby Deposits: A Review and Geological Classification. Minerals, 10 (7) 597 doi:10.3390/min10070597 | Journal (article/letter/editorial) | | sub-types; metamorphic deposits sensu stricto (Type IIA) that formed in amphibolite to granulite facies environments...sedimentary rocks (soil, rudite, arenite, and silt) that formed via erosion, gravity effect, mechanical transport...“Cote de Bretagne Ruby” of the French Crown Jewels) that contributed significantly to the public recognition...and/or historical background. Currently we know that ruby is the chromium (Cr)-rich variety of corundum...for market value. First, it has to be established that the gem was actually mined and was not produced |  | | Journal (issue) | | with copper inclusions • Labradorite from Mexico • Gem news from Mogok, Myanmar • Moonstone from Madagascar...on November 8 at the age of 87. During a career that spanned six decades, his wide-reaching achievements...spectroscope to gemologists. So did a historic discovery that solved the mystery of irradiated yellow diamonds...evidence of irradiation, a colorizing treatment that was becoming widespread with the dawn of the atomic...atomic age. When his subsequent research confirmed that irradiated yellow diamonds could be identified by |  | | Journal (issue) | | Usambara effect Introduction “Let us rather recognise that even relatively simple observations can still provide...Nchongo in the Umba area (Figure 1) and concluded that this depended primarily on the path length of light...advised that this effect was well known in the field of organic dyes and expressed his surprise that it had...previously in minerals. Further, he expressed expectation that now, when attention had been drawn to these effects...the same tourmalines, Liu et al. (1999a) suggested that the Usambara effect is a complex phenomenon, including |  | | Journal (issue) | | Czech Republic. Includes the distinctive features that can be used to separate this material from natural...feldspar from Vietnam • New discoveries of painite in Myanmar • Gem plagioclase reportedly from Tibet • Spinel... and a radical redesign from the smaller format that had defined the journal for more than 45 years....1990s, diamantaires were rocked by the realization that they, too, must rely on gemological research to...Diamond dealers and retailers worldwide now recognize that the role of the gemologist in understanding these |  | | Journal (issue) | | prestigious credential and extra technical knowledge that only GIA has to offer. What I learned not only boosted...and my sales went up. . . . I feel very strongly that GIA education plays an integral part in the success...today’s jewelry retailer. So strongly, in fact, that I encourage my own employees to take advantage of...important relationship between gemstones and the science that protects their integrity. Left to right, starting...business models. In late August, GIA hosted two events that attracted some of the oldest and most respected |
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