 | Giuliani, Gaston, Fallick, Anthony E., Boyce, Adrian J., Pardieu, Vincent, Pham, Van Long (2017) Pink and Red Spinels In Marble: Trace Elements, Oxygen Isotopes, and Sources. The Canadian Mineralogist, 55 (4) 743-761 doi:10.3749/canmin.1700009 | Journal (article/letter/editorial) | | An Phu and Cong Troi in Vietnam, and Namya from Myanmar; and (3) between 19.0 and 24.2% for spinels from...and Ipanko in Tanzania, Pamreso in Kenya, Mogok in Myanmar, and An Phu in Vietnam. The variation in the...Alluvial spinels around 8 mm across from the Mogok valley. Photographs (A–B, F): G. Giuliani/IRD; (C–D):...to the three hues respectively, for ruby from Myanmar, red spinel from Badakshan, and red garnet (Hernault...significant primary deposits are found in Tajikistan, Myanmar, Vietnam (Fig. 1A), and Tanzania (Yavorskyy & Hughes |  | | Journal (article/letter/editorial) | | of Opaque Sulfide Inclusions in Rubies from Mogok, Myanmar and Montepuez, Mozambique Wim Vertriest * and...origins seen in the high end market today: Mogok, Myanmar and Montepuez, Mozambique. Using electron probe...as sphalerite and pyrrhotite in Mogok rubies. The paragenesis of Myanmar, marble-related rubies is fairly...compared to the marble-related Myanmar ruby deposits. Keywords: ruby; sulfides; Mogok; Montepuez; gemology; corundum...deposits [2–14]. Marble-related rubies, such as the Myanmar stones, are famous for being extremely fluorescent |  | | Book | | Marble-Hosted Gem-Quality Ruby and SpinelfromMogok,Myanmar Reprinted from: Minerals 2020, 10, 195, doi:10...OpaqueSulfideInclusionsinRubiesfromMogok,Myanmarand Montepuez,Mozambique Reprinted from:... 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...the Australasian region. He works closely with his counterparts from the SE Asia region. He leads industry-CODES-funded |  | | Journal (issue) | | quality of a specific gemstone (e.g., ruby from Myanmar). This may or may not still hold true, but as with...subtype include the ruby deposits in marble from the Mogok Stone Tract or those in M-UMR from Montepuez (Mozambique)...and Mozambique (SRK Consulting, 2015). Myanmar, with the Mogok Stone Tract, has produced “pigeon’s blood”...finest blue sapphire comes from Kashmir (Sumjam), Myanmar, Sri Lanka (figure 1), and Madagascar. Sri Lanka...world’s most expensive gemstone, and the finest Mogok rubies are more highly valued than equivalent-sized |  | | Journal (issue) | | Vishnevye Mts. in the Urals, a famous pegmatite region about 100 km south of Ekaterinberg, were purchased...exploration potential that exists in the surrounding region. Historical background Archaeologically, nephrite...nephrite jade production in the Jordanow Slaski district appears to have commenced in Neolithic times. Indeed...of the regional geology of the [ordaruno Slaski district. J. Gemm., 2001, 27, 8, 461·470 western Europe...references to nephrite jade in the Jordanow Slaski district may be discerned in various 18th-century manuscripts |  | | Journal (issue) | | grossular from Tanzania • An unusual blister pearl • Myanmar report • Phenakite from Nigeria • Update on rubies...for rubies and sapphires from localities such as Myanmar and Madagascar. G em corundum—ruby and sapphire—has...Australia, Sri Lanka, and (in the 1990s) Mong Hsu, Myanmar, to produce attractive blue and pink sap- See...continued mining at historic localities such as Myanmar, Sri Lanka, and Thailand. In more recent years...number of countries have enacted sanctions against Myanmar, historically the world’s most important source |  | | Journal (issue) | | feldspar from Vietnam • New discoveries of painite in Myanmar • Gem plagioclase reportedly from Tibet • Spinel...field trip to the world-famous Pala pegmatite district in San Diego County will take place August 25...minerals in dolomite from Campolungo, in the Tessin region of the Italian Swiss Alps (Gübelin, 1939). He was...Burma (now Myanmar) from the German 1963 Produces the film Gemmological Society “Mogok, Valley of Rubies”...Western Inclusions as a Means of gemologist to visit Mogok Gemstone Identification for nearly 30 years. 1952 |  | | Journal (issue) | | Davdar, China Flower-Shaped Trapiche Ruby from Myanmar Characterisation of Pink-to-Red Spinel Emeralds...What’s New Presidium ARI | Artisanal Jade Mining in Myanmar | Consumer and Trade Report on Synthetic Diamonds...404 Flower-Shaped Trapiche Ruby from Mong Hsu, Myanmar: A Revised Growth Mechanism 353 By Isabella Pignatelli...NEWS AND PUBLICATIONS Artisanal Jade Mining in Myanmar This 51-page report from the International Growth...conditions for the artisanal jade mining sector in Myanmar. Download the report at www.theigc.org/wp-cont |  | | Book (edition) | | extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...an inner solid region of diameter 2440 km and density about 8 gcm3, and an outer region about 2260 km...rocks. Figure 1.3 Basaltic lava flow of 1944 in a valley leading down to Naples, Italy. The Monte Somma...alumina, alkalis and the rarer elements. If the region is quiescent and all the magma solidifies in the...if about half way through crystallization, the region becomes 8 Rocks and the Processes That Formed |  | | Journal (issue) | | discovery • Sapphires and pezzottaite from Madagascar • Mogok update • “Star” obsidian • Unusual star quartz •...Diego County. He attended high school in Spring Valley, California, and in 1942 received a Bachelor of...Mg]CO3), as well as rare olivine ([Mg,Fe]Si2O4), anhydrite (CaSO4), fluorite (CaF2), halite (NaCl), cuprite...Elara diamond design patent invalidated by U.S. district court (2003) National Jeweler, Vol. 97, No. 18...positions. Eight sharp lines occurred in a narrow region of 725–745 nm, with the four strongest lines at |  | | Report (volume) | | Vaushtikb— 1. On the occurrence of gold in the district of Singhbbum.II, 11-14. 2. On the occurrence of...of argentiferous galena and copper in the district of Manbhum, south-west frontier of Bengal . . . HI...discovery of a new locality for copper in the Narbada valley .... VII, 62-64. 8. On the building and ornamental...The iron industry of the western portion of the district of Raipur .... XX, 167-170. 4. Notes oi} the...Notes on the geology of a part of the Tonasserim valley with special reference to the Tendau-TCaraapying |  | | Journal (issue) | | ruby trade from the city of Pegu (in modern-day Myanmar), then under Persian Safavid protection. The GEM...Hyderabad, India Almas Diamond Hira Golconda region Zomorrod Emerald Panna South America and Egypt...Redstone Surkh Gwalior, India Ruby Manak Pegu (Myanmar) and Badakhshan (Afghanistan) Sang-e-Maaseh Sandstone...India Yaqut-e-Kabud Sapphire Neelam Pegu (Myanmar) and Ceylon Aqiq-e-Qermez Sard Gomedak India...including its fabled diamonds from the Golconda region and agates from the Deccan Traps. Figure 24. The |  | | Book (volume) | | Cambrian | GEM | Estimated age in millions of years oo > 8,000 BELTS The foregoing description of rock...rarer gemstones. The Mogok Stone Tract, as this area is called after the town of Mogok, is one of the most...gem and lithiumbearing pegmatites of the Pala district of San Diego County, California, from which much...the most important being those of the southern district. Although so important in the past they are now...(By courtesy of Sothebys) In the Bundelkhand district of Central Provinces, between the rivers Ken and |  | | Book | | oil and gas leases, looks rather startled.) Notes .oo alt iia: scientifically speaking, your Honor. Hummmmmppphh...from the laboratory. In the U.S. District Court for the Northern District of Texas, Lubbock Division, for...believed that in the deeper levels of the Butte district, copper sulfides were being deposited in fractures...level in the aquifer fell, the High Conservation District proposed to the U.S. Internal Plains Water Revenue...composition of crustal rocks to determine in a particular region the volumes of rocks containing more 10 ppm, more |  | | Book (edition) | | three 26 A square cut Peridot from the Panjshir Valley. : ‘ A gems would often be mistaken by gem explorers...6500 years in the Badakhshan province and Panjshir valley. It is said by many gemmologists that Afghanistan...run by small family businesses in the Panjshir Valley. These tiny mining operations are located some...laboratories have confirmed that the material from this region gets its incredible colours naturally from Mother...and America. _~ANGELITE Colour White, Blue Anhydrite In February I received a very excited phone call |  | | Report (issue) | | 1926- .. I. REPOR'f Of"' l"'HE DIRECTOR II. DISTRICT REPORTS ... •• • ••• • •• •• • ••• ••• ...a11d Soutl1ern District, by DE\VEY ..• •.• .•• . B.Sc. . . . 2. l\Iidlands District, by T. C. C.\...NTRILL, . 3. ):�orkshire District, by C. E. N. BROl\IEHE .\D, B. 4. Lancashire District, by \V. B. . \VRIGHT...••• •• • • •• ::\I.I.l\1.E. • •• �- Cumberland District, l)y BERN.·\RD S::.VI I TI-I, ••• • •• ••• 31... Sc.D. •• • ••• 6. Northumberland and Durhan1 District, 1)V •• • ••• • •• R. G. C. .\RRu·rHERS • •• |  | | Journal (volume) | | H. Lewis, p. 77)—Cement in the Lehigh Val¬ ley Region—New York, Ohio and Michigan—The American Rotary...Building Material in the United States in 1900—District of Co¬ lumbia—Illinois—Massachusetts — Missouri...2S3)—Mining and Production m Kentucky -Geology of the District—Vein Formation of Fluorspar. FULLERS EARTH. Production...States (by William H. Hobbs, p. 301) Piedmont Region of the Southern Appalachian—Pacific Slope—Great...Refined Potas¬ sium Salts, 1898-1899—Stassfurt District—Production, Value, Plants and Men in Germany’s |
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