 | Malíčková, Iveta, Bačík, Peter, Fridrichová, Jana, Hanus, Radek, Illášová, Ľudmila, Štubňa, Ján, Furka, Daniel, Furka, Samuel, Škoda, Radek (2021) Optical and Luminescence Spectroscopy of Varicolored Gem Spinel from Mogok, Myanmar and Lục Yên, Vietnam. Minerals, 11 (2) 169 doi:10.3390/min11020169 | Journal (article/letter/editorial) | | Varicolored Gem Spinel from Mogok, Myanmar and Lục Yên, Vietnam Iveta Malíčková 1 , Peter Bačík 1,2, * ...Varicolored Gem Spinel from Mogok, Myanmar and Lục Yên, Vietnam. Minerals 2021, 11, 169. https://doi.org/10...of natural spinel from Mogok, Myanmar and Lục Yên, Vietnam. All samples were crystal fragments of various...twelve spinel samples from two localities—Luc Yen, Vietnam and Mogok, Myanmar. These have a different...the Himalayan orogeny. The geology of northern Vietnam is dominated by metamorphic rocks (mainly medium-grade |  | Garnier, V., Ohnenstetter, D., Giuliani, G., Maluski, H., Deloule, E., Trong, T. P., Pham Van, L., Hoang Quang, V. (2005) AGE AND SIGNIFICANCE OF RUBY-BEARING MARBLE FROM THE RED RIVER SHEAR ZONE, NORTHERN VIETNAM. The Canadian Mineralogist, 43 (4) 1315-1329 doi:10.2113/gscanmin.43.4.1315 | Journal (article/letter/editorial) | | MARBLE FROM THE RED RIVER SHEAR ZONE, NORTHERN VIETNAM VIRGINIE GARNIER§ AND DANIEL OHNENSTETTER CRPG–CNRS...Sciences, CNST, Nghia Dô, Câu Giây, Hanoi, Vietnam LONG PHAM VAN Vietnam National Gem and Gold Corporation,... 91 Dinh Tien Hoang Street, Hanoi, Vietnam VINH HOÀNG QUANG Institute of Geological Sciences, CNST,... Nghia Dô, Câu Giây, Hanoi, Vietnam ABSTRACT Marble-hosted ruby deposits occur in the Lo Gam tectonic...northern part of Vietnam. Crystals of zircon included in ruby and spinel from Luc Yen and An Phu deposits |  | | Journal (issue) | | Sapphire from Mogok, Myanmar Gemstone Mining in Vietnam Winter 2013 VOLUME 49, No. 4 EDITORIAL 187 ...formation. 223 Blue Sapphires from the Baw Mar Mine in Mogok Hpone-Phyo Kan-Nyunt, Stefanos Karampelas...pg. 223 233 Update on Gemstone Mining in Luc Yen, Vietnam Pham Van Long, Vincent Pardieu, and Gaston...Gaston Giuliani Explores the emergence of the Luc Yen area as a producer of corundum, spinel, tourmaline,... Myanmar; an update on gemstone mining in Luc Yen, Vietnam; and the characteristics of coated jadeite |  | 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) | | phlogopites from marble-hosted ruby deposits in northern Vietnam: evidence for Cenozoic ruby formation Virginie...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...ruby deposits in Yen Bai, Luc Yen and Quy Chau mining districts, in northern Vietnam. The principal results...the Red River shear zone, the phlogopites from the Yen Bai deposits yielded Miocene cooling ages between |  | Giuliani, Gaston, Dubessy, Jean, Banks, David, Hoàng Quang, Vinh, Lhomme, Thérèse, Pironon, Jacques, Garnier, Virginie, Phan Trong, Trinh, Pham Van, Long, Ohnenstetter, Daniel, Schwarz, Dietmar (2003) CO2–H2S–COS–S8–AlO(OH)-bearing fluid inclusions in ruby from marble-hosted deposits in Luc Yen area, North Vietnam. Chemical Geology, 194 (1) 167-185 doi:10.1016/s0009-2541(02)00276-0 | Journal (article/letter/editorial) | | ruby from marble-hosted deposits in Luc Yen area, North Vietnam Gaston Giuliani a,*, Jean Dubessy b,1...CRPG/CNRS, UPR 2300, BP 20, 54501 Vandœuvre, France f Vietnam National Gem and Gold Corporation, 91 Dinh Tien...from marble-hosted deposits in the Luc Yen mining district, North Vietnam. Raman and Infrared spectroscopy...sulphates based on an initial assemblage of anhydrite, calcite and graphite, originating from the metamorphism...COS – S8 – AlO(OH) system; Evaporites; Marble; Vietnam 1. Introduction Marble-hosted deposits are the |  | Garnier, Virginie, Giuliani, Gaston, Ohnenstetter, Daniel, Fallick, Anthony E., Dubessy, Jean, Banks, David, Vinh, Hoàng Quang, Lhomme, Thérèse, Maluski, Henri, Pêcher, Arnaud, Bakhsh, Kausar Allah, Long, Pham Van, Trinh, Phan Trong, Schwarz, Dietmar (2008) Marble-hosted ruby deposits from Central and Southeast Asia: Towards a new genetic model. Ore Geology Reviews, 34 (1) 169-191 doi:10.1016/j.oregeorev.2008.03.003 | Journal (article/letter/editorial) | | Geological Sciences, CNST, Nghia Dô, Câu Giây, Hanoi, Vietnam g Laboratoire de Géochronologie, Université de...Pakistan j Vietnam National Gem and Gold Corporation, 91 Dinh Tien Hoang street, Hanoi, Vietnam k Gübelin...tectonics that were active, from Afghanistan to Vietnam, between the Oligocene and the Pliocene. The petrography...for the deposits of Jegdalek, Hunza and northern Vietnam. Whole rock analyses of non-ruby-bearing marbles...Azad-Kashmir, Tajikistan, Nepal, Myanmar, northern Vietnam and southern China (Hughes, 1997; Fig. 1). The |  | 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) | | Research and Identification of Vietnam, 91 Dinh Tien Hoang Hanoi, Vietnam ABSTRACT The oxygen isotopic...18.5% for spinels from An Phu and Cong Troi in Vietnam, and Namya from Myanmar; and (3) between 19.0 and...Pamreso in Kenya, Mogok in Myanmar, and An Phu in Vietnam. The variation in the d18O values for most of the...(A) General view of the spinel mine of Cong Troi, Luc Yen area, Vietnam. (B) Spinel (Sp) associated with...quarries, Vietnam. (C) Crystals of red spinel around 1 cm across in a marble from Luc Yen, Vietnam. (D) Pale |  | Krivovichev, Vladimir G., Kuksa, Katherine A., Sokolov, Pavel B., Marakhovskaya, Olga Yu., Zolotarev, Andrey A., Bocharov, Vladimir N., Semenova, Tatyana F., Klimacheva, Maria E., Gussiås, Geir Atle (2022) Preiswerkite: A First Occurrence in Marble Hosting Gem Spinel Deposits, Luc Yen, Vietnam. Minerals, 12 (8) 1024 doi:10.3390/min12081024 | Journal (article/letter/editorial) | | Occurrence in Marble Hosting Gem Spinel Deposits, Luc Yen, Vietnam Vladimir G. Krivovichev 1, * , Katherine A...Occurrence in Marble Hosting Gem Spinel Deposits, Luc Yen, Vietnam. Minerals 2022, 12, 1024. https:// doi.org/10...St. Petersburg, Russia BalderGems Co., Yen The YB 36000, Vietnam Correspondence: v.krivovichev@spbu.ru...marble-hosted noble spinel deposits of the Luc Yen district, northern Vietnam. It is found in marble for the first...sadanagaite, pargasite, spinel, corundum, dolomite and calcite. The average compositions of preiswerkite is (Na0 |  | | 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...been recovered from the Luc Yen and Quy Chau mining areas in northern Vietnam. Since 1991, 'basaltic'-type...('BGY') sapphires have been mined in southern Vietnam. This article briefly reviews the history and geology |  | Sorokina, Elena S., Hofmeister, Wolfgang, Häger, Tobias, Mertz-Kraus, Regina, Buhre, Stephan, Saul, John M. (2016) Morphological and chemical evolution of corundum (ruby and sapphire): Crystal ontogeny reconstructed by EMPA, LA-ICP-MS, and Cr3+Raman mapping. American Mineralogist, 101 (12) 2716-2722 doi:10.2138/am-2016-5614 | Journal (article/letter/editorial) | | (Kenya, Tanzania, Madagascar) and Southeast Asia (Vietnam). Trace-element compositions indicative for different...concentrations of ≥1500 mg/g in samples from Luc Yen (Vietnam) and Mangari (Kenya), formed under lower P-T...crystal morphology, Kenya, Tanzania, Madagascar, Vietnam Introduction “…for a given body of certain form...Andranondambo in Madagascar) and Southeast Asia (Luc Yen in Vietnam). Rim-to-rim chemical analyses were combined...the John Saul ruby mine in the Mangari area of Kenya (nine samples), the Aqua ruby mine (formerly part of |  | | Journal (issue) | | Alice S. Keller Rubies and Fancy Sapphires from Vietnam Robert E. Kane, Shane F. McClure, Robert C. Kammerling...have emerged from new deposits in Tanzania and Vietnam that closely resemble Burmese stones and probably...sapphires illustrated here, all reported to be from Vietnam, are representative of some of the fine material...changing economic outlook of countries such as Vietnam and Tanzania, promises both new markets and new...to the discovery of a new ruby occurrence. In Vietnam, we are seeing the identification of major deposits |  | Ngoc Khoi, Nguyen, Hauzenberger, Christoph A., Anh Tuan, Duong, Häger, Tobias, Van Nam, Nguyen, Thuy Duong, Nguyen (2016) Mineralogy and petrology of gneiss hosted corundum deposits from the Day Nui Con Voi metamorphic range, Ailao Shan–Red River shear zone (North Vietnam) Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 193 (2) 161-181 doi:10.1127/njma/2016/0300 | Journal (article/letter/editorial) | | range, Ailao Shan–Red River shear zone (North Vietnam) Nguyen Ngoc Khoi, Christoph A. Hauzenberger, Duong...typically associated with marbles in northern Vietnam. Relatively little attention has been paid to corundum...range, Ailao Shan–Red River shear zone, North Vietnam. The partly migmatized gneisses contain gray, grayish...Introduction For more than two decades, Yen Bai and especially the Luc Yen gem districts are well known to the...1). Vietnam geologists found corundum and spinel for the first time in the An Phu marble, Luc Yen district |  | | Journal (article/letter/editorial) | | Technology] at 07:07 23 August 2013 OF Khai Trung Vietnam FOR TOURMALINE “T his is what I live for!” ...in the north of Vietnam and celebrating a photojournalism trip to a new tourmaline mine, opened only the...the previous week. “Mine” may be a stretch of the imagination, if one can visualize hundreds of people...city of about 4 million people in the north of Vietnam, on an early morning flight from Bangkok on 17...dealers in the gemstone capital of our destination, Luc Yen, took American dollars, and it was relatively common |  | 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) | | unheated rubies from the recently discovered Didy mine in Madagascar also command high prices [19]. A set...Minéral; (C) rubies from the Montepuez mine, from the Montepuez mine, Mozambique. Vincent Pardieu © Gemmological...(9) Kitui; Mangare (Rockland-formerly John Saul mine; Penny Lane; Aqua, Hard Rock). Tanzania: (10) Umba...Umba (9) Mangare (Rockland-formerly John Saul mine; Penny Lane; Aqua, Hard Rock). Tanzania: (10) Umba...(Fiskenæsset district(25) Revelstoke. Greenland: (26) South of Nuuk region (Fiskenæsset district-Aappaluttoq); |  | | Journal (issue) | | The Minh Tien tourmaline mine, Luc Yen Mining District, Yenbai Province, Vietnam . . . . . . . . . . . ...the Minh Tien pegmatite, Luc Yen Mining District, Yenbai Province, Vietnam . . . . . . . . . . . . ....cm, from the Minh Tien pegmatite, Yenbai Province, Vietnam. Frédéric Escaut specimen and photo (courtesy...(Bunny later coauthored, with Richard W. Holmes, Mine and Mineral o he rea merican Ri .) Curtis had first...the desert about 10 miles from the famous Tiger mine, where he left a suicide note with his abandoned |  | Tran, Hoa Trong, Polyakov, Gleb V., Tran, Anh Tuan, Borisenko, Alexander S., Izokh, Andrey E., Balykin, Pavel A., Ngo, Phuong Thi, Pham, Dung Thi (2016) Intraplate Magmatism and Metallogeny of North Vietnam - Modern Approaches in Solid Earth Sciences No. 11. Springer International Publishing. doi:10.1007/978-3-319-25235-3 | Book | | Intraplate Magmatism and Metallogeny of North Vietnam Modern Approaches in Solid Earth Sciences Volume...Magmatism and Metallogeny of North Vietnam Trong-Hoa Tran Vietnam Academy of Science and Technology...Institute of Geological Sciences Hanoi, Vietnam Tuan-Anh Tran Vietnam Academy of Science and Technology Institute...Institute of Geological Sciences Hanoi, Vietnam Andrey E. Izokh Russian Academy of Science Institute of...Pham Vietnam Academy of Science and Technology Institute of Geological Sciences Hanoi, Vietnam Thi-Phuong |  | | Journal (issue) | | et Vins de Légende" Les liddtcoatites de Luc Yen '(Vietnam) Gîtes minéraux n° 106 : Auliac ( Cantal)...NATIF SUR QUARTZ - "Le Dragon" - Hauteur : 18 cm - Mine Colorado Quartz, Mariposa, Californie, USA _ _...Liddicoatite sur quartz - 12 x 7,5 cm Luc Yen, Yen Bai, Vietnam Spécimen et photo : F. Escaut REVUE BIMESTRIELLE...LESIMPLE 7 DÉCOUVERTE DE LIDDICOATITE À Luc YEN, VIETNAM Philippe RUSSO et Frédéric ESCAUT 25 LA...protéger un minéral rare situé dans une ancienne mine si on la détruit ou on l'obstrue ? On sait que laisser |  | | Journal (issue) | | Mahenge, Tanzania In Search of Cobalt Blue Spinel in Vietnam Spinel Inclusions – An Exercise in Aesthetics Spinel...Henning led a U.S. government delegation to tour its mine in southwest Greenland in May 2019. Left to right:...Ruby geologist Aaju Simonsen at Greenland Ruby’s mine in Aappaluttoq. Greenland Ruby is First Colored...way for Greenland Ruby to join. Greenland Ruby’s mine produces both ruby and pink sapphire. “We’re delighted...sapphire project in Australia is already a producing mine, we intend to more clearly delineate the deposit |  | | Journal (issue) | | FEATURE ARTICLES 2 Blue Spinel from the Luc Yen District of Vietnam Boris Chauviré, Benjamin Rondeau, Emmanuel...Emmanuel Fritsch, Phillipe Ressigeac, and Jean-Luc Devidal pg. 3 Offers geological context and gemological...increasingly popular vivid blue spinel from northeast Vietnam. 18 The Chinese Soul in Contemporary Jewelry...gemological characteristics of blue spinel from Luc Yen, Vietnam. The centerpiece of the 18k yellow gold ring...olivine in marble matrix was seen at a mine in the Luc Yen district. Photo by Vincent Pardieu/GIA. Composite |  | | Journal (issue) | | spinel deposit of An Phu, Luc Yen Mining District, Yenbai Province, Vietnam . . . . . . . . . . . . ....crystal cluster on matrix, 6 cm tall, from the Tsumeb mine, Tsumeb, Namibia. Sandor Fuss collection (2004)...discovered on the 12th level of the Cresson mine, Cripple Creek district, Colorado in 1914 (see “The Cresson...Mineralogical Record, volume 37, May–June, 2006 Cresson mine manager Dick Roelofs showing the Cresson Vug to...Lane. He sold countless tons of fine Tri-state calcite, galena, dolomite and sphalerite specimens, and |  | | Journal (issue) | | INSTITUTE OF AMERICA Russia's Lomonosov Diamond Mine Carbonado Diamond PL Mapping of Optical Defects...article of this issue examines Russia’s Lomonosov mine, which is located in a Proterozoic zone in the Baltic... 2 EDITORIAL 143 Visit Europe’s First Diamond Mine Duncan Pay FEATURE ARTICLES 144 Geology and Development...well as the geology of the Arkhangelsk kimberlite province. 168 Carbonado Diamond: A Review of Properties...diamond. 190 An Update on Tourmaline from Luc Yen, Vietnam Nguy Tuyet Nhung, Le Thi Thu Huong, Nguyen |  | Duong, Van-Hao, Trinh, Phan Trong, Nguyen, Thanh-Duong, Piestrzyski, Adam, Nguyen, Dinh Chau, Pieczonka, Jadwiga, Ngo, Xuan Dac, Tran Van, Phong, Thai Pham, Binh, Nguyen-Van, Huong, Ngo Van, Liem, Tien Bui, Dieu, Vu Khac, Dang, Bui, Chi Tien (2021) Cu-Au mineralization of the Sin Quyen deposit in north Vietnam: A product of Cenozoic left-lateral movement along the Red River shear zone. Ore Geology Reviews, 132. 104065pp. doi:10.1016/j.oregeorev.2021.104065 | Journal (article/letter/editorial) | | mineralization of the Sin Quyen deposit in north Vietnam: A product of Cenozoic left-lateral movement along...Hanoi, Viet Nam Institute of Geological Sciences, Vietnam Academy of Science and Technology, Hanoi, Viet...Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Viet...100000, Viet Nam g VNU University of Science, Vietnam National University, Hanoi, Viet Nam h GIS Group...parallel to the Red River fault system in North Vietnam. U-Pb dating of zircon and uraninite and 39Ar/40Ar |  | | Journal (issue) | | Chinese Synthetic Diamonds Trapiche Rubies from Vietnam Renaissance Recipes for Artificial Pearls Volume...Zimbabwe | Apatite from Durango, Mexico | Cobaltoan Calcite from Switzerland | Pyrite and Chromite Inclusion...Trapiche Ruby from Khoan Thong, Luc Yen Mining District, Northern Vietnam 726 By Isabella Pignatelli,...an existing deposit such as those in the Karoi District or the Zambezi Valley (cf. www.mindat.org/ locentries...average hydrostatic SG value for both was 3.21. A calcite dichroscope revealed weak dichroism of light yellow |  | Huong, Le, Otter, Laura, Förster, Michael, Hauzenberger, Christoph, Krenn, Kurt, Alard, Olivier, Macholdt, Dorothea, Weis, Ulrike, Stoll, Brigitte, Jochum, Klaus (2018) Femtosecond Laser Ablation-ICP-Mass Spectrometry and CHNS Elemental Analyzer Reveal Trace Element Characteristics of Danburite from Mexico, Tanzania, and Vietnam. Minerals, 8 (6) 234 doi:10.3390/min8060234 | Journal (article/letter/editorial) | | Characteristics of Danburite from Mexico, Tanzania, and Vietnam Le Thi-Thu Huong 1, * ID , Laura M. Otter 2,3,...spectrometry for danburite from Mexico, Tanzania, and Vietnam. The Tanzanian and Vietnamese samples show high...found only in Madagascar, Tanzania, Myanmar, and Vietnam [6,7]. The important geological environments that...distinct worldwide distributed occurrences (Tanzania, Vietnam, and Mexico). The aims of this study are (1) to...danburites from different locations (Tanzania, Vietnam, and Mexico) and rock types (pegmatites and skarn) |  | | Journal (issue) | | Aquamarine with Spodumene Inclusions from the Oceanview Mine, California, USA | Demantoid/ Andradite Slices from...Chatoyancy from Vietnam | Faceted Proustite from Chañarcillo, Chile | Blue Spinel Mining in Vietnam Cover photo:...project Photo by Jeff Scovil 206 Excursions Luc Yen, Vietnam Gem-A Notices 214 Learning Opportunities...‘Home Gemmology’, ‘Jewellery Industry Voices’ and ‘Mine to Design’. • Gem-A (London) has produced a series...the Oceanview Mine, California, USA Since 2000, mining operations at the Oceanview mine in Pala, San Diego |
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