 | 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 |  | 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 |  | 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); |  | 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 (issue) | | the Oceanview Mine, California, USA | Demantoid/ Andradite Slices from Iran | Blue Diopside from Russia...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 |  | 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 |  | 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) | | 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...school; he did his Master’s work at the Rueppele iron mine in Stanton, Missouri. He spent the years 1931–1932 |  | | 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 |  | | 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) | | 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) | | 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 |  | Giuliani, Gaston, Dubessy, Jean, Ohnenstetter, Daniel, Banks, David, Branquet, Yannick, Feneyrol, Julien, Fallick, Anthony E., Martelat, Jean-Emmanuel (2018) The role of evaporites in the formation of gems during metamorphism of carbonate platforms: a review. Mineralium Deposita, 53 (1) 1-20 doi:10.1007/s00126-017-0738-4 | Journal (article/letter/editorial) | | phlogopite in a marble matrix, Minh Tien mine, Luc Yen mining district, Vietnam, 2 × 1 cm. e Nodule, rough and...cut of tsavorite from the Tsavolite mine, Mangare mining district, Voi region, Kenya, diametre of the...mines, Arusha district, Tanzania. h Blue zoisite, variety tanzanite, Merelani, Arusha district, Tanzania...residues of dust not cleaned by the water jet in the mine. Photos b to d: Y. Branquet and Photo e: G. Giuliani...Kashmir, Tajikistan, Nepal, Myanmar, northern Vietnam and southern China (Garnier et al. 2008; Fig. 8) |  | | 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 |  | | Book | | New Zealand, China and many parts of SE Asia (Vietnam, Laos, Cambodia, Malaysia, Thailand, Indonesia...indicating ruby within outcrops, miners working at mine sites and locals selling gemstones at source. These...Gem Tract and Nama, Kachin State, Myanmar; Luc Yen, Vietnam; Jegdalek, Afghanistan; Morogoro, Tanzania...elsewhere, such as in Australia, Colombia, Myanmar, Vietnam and Tajikistan. The present study suggests that...techniques in gemstone exploration at the Rockland Ruby Mine, Mangare area, S.E. Kenya. J. Geochem. Expl. 1997 |  | | 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 |  | | 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 (article/letter/editorial) | | at 11:53 03 August 2012 Chondrodite TILLY FOSTER MINE, BREWSTER AREA PUTNAM COUNTY, NEW YORK F ew minerals...spinel from Amity, uvite from Pierrepont, and diopside from near Richville (the famous Dekalb locality)...chondrodite specimens from the Tilly Foster iron mine, Putnam County, New York, can be seen in many American... spinel, grossular, forsterite, monticellite, diopside, calcite, and wollastonite. There are many scattered...rounded crystals to 1.5 cm; the old Cleveland iron mine at New Marlborough and at Becket, Great Barrington |  | | Journal (article/letter/editorial) | | plant/lichen cover. Spectral mapping of dolomite-, diopside-, phlogopite-, and scapolite-rich domains in LHG...assemblages occur at Beluga: (1) peak metamorphic diopside, nepheline, and possible K-feldspar; (2) retrograde...contain calcite, dolomite, phlogopite, pargasite, diopside, forsterite, scapolite, and/or pyrrhotite. The...lapis lazuli with a relatively high calcite and diopside content (Fig. 9; North and Main occurrences) occurs...varying amounts of haüyne (up to 42.2 vol. %), diopside, plagioclase, and calcite with locally abundant |  | | Journal (issue) | | Synthetic Emeralds A New Source of Danburite from Vietnam A Chart of Emerald Inclusions Winter 2016 VOLUME...393 A New Find of Danburite in the Luc Yen Mining Area, Vietnam Le Thi-Thu Huong, Laura M. Otter, Tobias...promising find of gem-quality danburite from Yen Bai Province, Vietnam. Our fourth article returns to the emerald...stone picture. Gemfields’ auctions from its Kagem mine have had a profound effect on the city’s emerald...demand 332 GEMS & GEMOLOGY n the colored gemstone mine-to-market journey, there are major trading centers |  | | Journal (issue) | | Heierman collection. Illinois- Kentucky Fluorspar District Symposium by the Friends of Mineralogy (Midwest...the closing of the Illinois-Kentucky fluorspar district that I organized at Indiana University Southeast...believed having a similar program in the fluorspar district would be ideal. However, the logistics behind...this year. In previous visits to the fluorspar district, I had made contact with Bill Frazer, the owner...(Azad Kashmir). Pakistan: Luc Yen. Quy Chau. northern Vietnam: Chumar-Ruyil district. 1epal; Jegdalek. Afghanistan: |  | | Journal (issue) | | Chinese Synthetic Diamonds Trapiche Rubies from Vietnam Renaissance Recipes for Artificial Pearls Volume...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...cobaltoan calcite from Switzerland—marketed as ‘Rose of Mine’—in his handmade jewellery creations (e.g. Figure...Gemology, 15(4), 118–122. Eppler, W.F. 1967. Star-diopside and star-enstatite. Journal of Gemmology, 10(6) |  | Giuliani, Gaston, Dubessy, Jean, Banks, David A., Lhomme, Thérèse, Ohnenstetter, Daniel (2015) Fluid inclusions in ruby from Asian marble deposits: genetic implications. European Journal of Mineralogy, 27 (3) 393-404 doi:10.1127/ejm/2015/0027-2442 | Journal (article/letter/editorial) | | Azad-Kashmir, Tajikistan, Nepal, Myanmar, northern Vietnam to southern China (Fig. 1; Giuliani et al., 2014)...including 7 – Mogok and 8 – Mong Hsu; Vietnam including 9 – Luc Yen, and Yen Bai with the Tan Huong and Truc...described for FI-bearing rubies in marble from Vietnam (Giuliani et al., 2003). Final-melting temperatures...Nangimali Nepal Ruyil Myanmar Mogok x Vietnam Mong Hsu Luc Yen Quy Chau x x x x x x x x x x...central and South-east Asia. Luc Yen Myanmar Sample Tan Huong Yen Bai-VIGEGO Truc Lau An Phu Mogok |  | | Journal (issue) | | variety , amethyst- sceptre habit 10. Serandite 11. Diopside on grossular 12. Amethyst 13. Gypse Price 40 EURO...5)Al6(BO3)3[Si6O18](OH)3(OH) , (variety Rubellite ) , Pala mine , California , USA ( 5 cms) – , , , . 2. Spodumene...of spodumene ) , LiAl(SiO3)2 , Mawi , Laghman province , Afghanistan 12,5 X 6,2 X 3,3 cms – . 3 3....9. Rhodochrosite 10. Azurite , MnCO3 , Hotazel mine , Kalahari Desert manganese field , South Africa...grams – 13. Tourmaline , var. Elbaite , Himalaya mine, California , USA . Size 8,1X4X3,5 Ouro Preto |
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