 | Garnier, Virginie, Giuliani, Gaston, Maluski, Henri, Ohnenstetter, Daniel, Phan Trong, Trinh, Hoàng Quang, Vinh, Pham Van, Long, Vu Van, Tich, Schwarz, Dietmar (2002) Ar–Ar ages in phlogopites from marble-hosted ruby deposits in northern Vietnam: evidence for Cenozoic ruby formation. Chemical Geology, 188 (1) 33-49 doi:10.1016/s0009-2541(02)00063-3 | Journal (article/letter/editorial) | | from marble-hosted ruby deposits in northern Vietnam: evidence for Cenozoic ruby formation Virginie Garnier...CNST, Nghia Dô, Câu Giây, Hanoi, Viet nam e Vietnam National Gem and Gold Corporation, 91 Dinh Tien...Street, Hanoi, Viet nam f Laboratory of Geology, Vietnam National University, 90 Nguyen Trai Road, Thanh...Received 6 June 2001; accepted 22 March 2002 Abstract Ruby growth in phlogopite-bearing marbles has been indirectly...micas from ruby deposits in Yen Bai, Luc Yen and Quy Chau mining districts, in northern Vietnam. The principal |  | | Journal (issue) | | ISSN: 1355^1565 129 Gem corundum deposits in Vietnam Pham Van Long1, Hoang Quang Vinh2, Virginie Gamier3...Trinh2 1. Vietnam National Gem and Gold Corporation, 91 Dinh Tien Hoang Street, Hanoi, Vietnam 2. Institute...Geological Sciences, CNST, Nghia Dô, Câu Giây, Hanoi, Vietnam 3. CRPG/CNRS, UPR 2300, BP 20, 54501 Vandœuvre...Luc Yen and Quy Chau mining areas in northern Vietnam. Since 1991, 'basaltic'-type blue-green-yellow...('BGY') sapphires have been mined in southern Vietnam. This article briefly reviews the history and geology |  | | Journal (issue) | | Colouration of Aquamarine and Yellow Beryl Pyrope from Vietnam Multicoloured Quartz from Brazil A 42.54 ct Historical...Brazil. At top left is a 38 ct aquamarine set in an antiquarian ring with natural pearls. Courtesy of...Origin of Basalt-related Pyrope from Southeast Vietnam 773 By Le Ngoc Nang, Pham Trung Hieu and Pham...Sulphur and Bystrite in a Mogok Ruby | Topaz from Thanh Hoa, Vietnam | Traceability and Sustainability...Quartz Misrepresented as Cats-eye Chrysoberyl in an Antique Jewel | Stabilised Aquamarine Cabochon with |  | | Journal (issue) | | the State of Victoria. The mineral collection is an amalgam of five major institutional collections:...and geometry. He became interested in geology at an early age, and in 1860 he joined the Lands Survey...was sampling ore for the company’s assay office, an ideal opportunity for personal collecting as well...Hobart, then moved to Launceston, working mainly as an importer. There his interests turned to geology and...Laboratories. Over the succeeding years he recorded an enormous amount of information about Western Australian |  | | Journal (issue) | | Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article...magazine; 'TU be the first to join," said Bryan. It was an excellent idea, but it needed a point man. At the...Fellows program receives an attractive certificate each year, which can be framed on an office or mineral room...Manhattan showroom on the train, until obtaining an apartment in Manhattan. 248 Lawrence H. Conklin...Engel and thereafter operated under his own name from an office just down the street. His earliest labels |
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