 | 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...Red River Shear Zone, in the northern part of Vietnam. Crystals of zircon included in ruby and spinel |  | 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 |  | 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...accepted 22 March 2002 Abstract Ruby growth in phlogopite-bearing marbles has been indirectly dated using...stepwise heating technique on purified syngenetic phlogopite and other micas from ruby deposits in Yen Bai |  | 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 |  | | 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) | | 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) | | 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...223 233 Update on Gemstone Mining in Luc Yen, Vietnam Pham Van Long, Vincent Pardieu, and Gaston Giuliani...Myanmar; an update on gemstone mining in Luc Yen, Vietnam; and the characteristics of coated jadeite jade...bring our readers more of these “direct from the mine” articles, particularly from GIA’s dedicated field |  | | Journal (issue) | | Mining Rubies and Fancy Sapphires in Northern Vietnam Robert C. Kammerling, Alice S. Keller, Kenneth...1987 Gemstone Durability: Design to Display Wessels Mine Sugitite Three Notable Fancy-Color Diamonds The...tillavailable Fall 1991 Rubies and Fancy Sapphires from Vietnam New Rubies from Morogoro, Tanzania Bohemian Garnet-Today...Southern Africa Sunstone Labradorite from the Ponderosa Mine, Oregon Nontraditional Gemstone Cutting Nontransparent...Emerald Deposit Beryl Gem Nodules from the Bananal Mine "Opalite:" Plastic Imitation Opal Spring 1993 Queensland |  | 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...Minéral; (F) rubies in phlogopite matrix with plagioclase (white) in phlogopite matrix(blue) with hosted...(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 |  | | 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...Tract and Nama, Kachin State, Myanmar; Luc Yen, Vietnam; Jegdalek, Afghanistan; Morogoro, Tanzania. Metamorphic...elsewhere, such as in Australia, Colombia, Myanmar, Vietnam and Tajikistan. The present study suggests that...analyses, while mineral fractions of plagioclase and phlogopite were processed for Rb–Sr geochronology. Measurements |  | | Journal (issue) | | the Tan Huong–Truc Lau Area, Yen Bai Province, Northern Vietnam Nguyen Ngoc Khoi, Chakkaphan Sutthirat...Nhung Although not as well known as the Luc Yen district, this area is an important source of ruby and...Afghanistan • Ammonite from Madagascar • Aquamarine from Vietnam • Chalcedony from Peru • Afghan emerald mining...characteristics of r uby and sapphire from Yen Ba i Province, in nor thern V ietnam. There is an ar ticle by...THE TAN HUONG–TRUC LAU AREA, YEN BAI PROVINCE, NORTHERN VIETNAM Nguyen Ngoc Khoi, Chakkaphan Sutthirat |  | | Journal (issue) | | Chinese Synthetic Diamonds Trapiche Rubies from Vietnam Renaissance Recipes for Artificial Pearls Volume...Ruby from Khoan Thong, Luc Yen Mining District, Northern Vietnam 726 By Isabella Pignatelli, Gaston...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...epidote, feldspars, garnet, hematite, ilmenite, phlogopite, talc, quartz and pyrrhotite (Sauer & Cassedanne |  | | Journal (issue) | | Roberts Victor, Jagersfontein, Sierra Leone, Star mine, Mwadui and Alamasi. Data are used to determine...bimineralic eclogite xenoliths from the Udachnaya mine, Yakutia, Siberia, were investigated to establish...p g r a d e will soon be completed at the Argyle mine. This is to maintain the level of diamond production...recovery plant at the River Ranch d i a m o n d mine will be u p g r a d e d to increase annual production...in present-day Russia. At least one Siberian pipe mine extends to 1000m in depth. M.O'D. The characterisation |  | | Book | | \ \ \ ii • HEY brought me rubies from the mine, And held them to the sun; I said, 'They are drops...sapphires-blue velvet 357 Historyyf the Kashmir mine 357 Kashmir sapphires compared 364 Characteristics...Thailand/Camborua 374 Two geologists' dream: T heir own ru by mine Characteristics of Mangari ruby 376 O ther Kenya...Zealand Bibliography-New Zealand 384 N igeria Vietnam 385 Characteristics of Nigerian sapphire Bibliography-...(Bu Khang District) 475 Other Vietnam corundu.n1 localities 478 Mining methods in Vietnam 480 Characteristics |
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