 | 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 |  | | 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 |  | 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, 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) | | 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 (article/letter/editorial) | | at 11:53 03 August 2012 Chondrodite TILLY FOSTER MINE, BREWSTER AREA PUTNAM COUNTY, NEW YORK F ew minerals...chondrodite specimens from the Tilly Foster iron mine, Putnam County, New York, can be seen in many American...Chondrodite is arguably the commonest member of the humite group and forms a series with alleghanyite. Some...rounded crystals to 1.5 cm; the old Cleveland iron mine at New Marlborough and at Becket, Great Barrington...Tilly Foster mine, 10 kilometers northwest of Brewster, Putnam County, New York. This mine, which was opened |  | | Journal (article/letter/editorial) | | calcite, dolomite, phlogopite, pargasite, diopside, humite, forsterite, scapolite, anorthite, graphite, and...eluvial and alluvial deposits in the Luc Yen District, Vietnam (including cobalt-blue spinel; Chauviré...occurrence Soper Lake camp marble Soper Lake mica mine Qila occurrence Trailside occurrence Waddell Bay...Stockton (1984). Vibrant cobalt-blue spinel from Vietnam has a Fe/Co ratio of 10, 1236 lg/g Co, ~2500 lg/g...occurrence of apatite, titanite, wollastonite, humite, plagioclase, and magnetite (Blackadar 1967, Scott |  | | Journal (article/letter/editorial) | | spinel-bearing marble and calc-silicate rocks (including humite- and forsterite-rich metacarbonates); (3) sapphire-bearing...although the exact origin of the Soper River mica mine and Waddell Bay occurrences could not be assessed..., diopside, pargasite, forsterite, phlogopite, humite, calcite, spinel); and (2) impure dolomite-bearing...pods (or other metamorphosed Mg-rich marls such as humite- or forsterite-rich rocks), are expected to be...occur in fluorescent scapolite in the Grenville Province, New York State, USA (Belley et al., 2017). An |  | | 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...school; he did his Master’s work at the Rueppele iron mine in Stanton, Missouri. He spent the years 1931–1932 |  | | 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 |  | | 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...dramatically with a large find from the Confianza mine near Tilama, Valparaiso, Chile, in 2004 (Koivula |  | | Journal (issue) | | from the Tan Huong–Truc Lau Area, Yen Bai Province, Northern Vietnam Nguyen Ngoc Khoi, Chakkaphan Sutthirat...Tuyet Nhung Although not as well known as the Luc Yen district, this area is an important source of ruby...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...FROM THE TAN HUONG–TRUC LAU AREA, YEN BAI PROVINCE, NORTHERN VIETNAM Nguyen Ngoc Khoi, Chakkaphan Sutthirat |  | | Journal (issue) | | P708324 geoniieuw ge ws w maandb blad va an de mine eralogiische kring k a antwer rpen v..z.w. 33((1)...MS-bije eenkom mst 2007 • Excurrsie Cha anxhe Mine eralogiische Kring Antwe erpen vzw Oprichtin ngsdatum...collection 137-144 Gallery reviews (Colorado School of mine museum; Natural History Museum LA Co.; A.E. Seaman...Marittima, Grosseto 104-107 Tormaline policrome in Vietnam 108-110 Cosalite delle cave di gneiss di Beura...s 2007 25-29 Découverte de liddicoatite à Luc Yen, Vietnam. 30-35 La carrière de Lanavala, Poona, Maharashtra |  | | Journal (issue) | | Tanzania, around the end of the 1960s, and the mine was active for about a decade. Since then, gem-quality...a private mining area of Sri Lanka’s Ratnapura District, near Neelagama (‘village of blue sapphires’)...compared to data for three samples from the Parawara mine in the Sar-e-Sang area of Afghanistan and one stone...those from other localities, such as Myanmar, Vietnam and Tanzania. They also contained a relatively...supply from traditional sources such as Myanmar, Vietnam, Tajikistan, Sri Lanka, Kenya and Tanzania, and |  | | 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-...Doi Moi 473 History 474 Luc Yen 474 Quy Chau (Bu Khang District) 475 Other Vietnam corundu.n1 localities |  | | Journal (issue) | | resembling an eye • Green orthoclase feldspar from Vietnam • New discoveries of painite in Myanmar • Gem plagioclase...field trip to the world-famous Pala pegmatite district in San Diego County will take place August 25...Valley (Pakistan), Morogoro (Tanzania) and Luc Yen (Vietnam) manifest specific local differences, by which...(volcanic origin: Australia, Cambodia, Laos, Thailand, Vietnam) encompassing columbite, plagioclase, uraniumpyrochlor...locales. Indeed, he was as comfortable at a gem mine in mud-splashed khakis as he was in a freshly pressed |  | | Journal (issue) | | Washington (for quartz and pyrite) and the Rock Candy mine in British Columbia (for fluorite and barite). Income...journalism, but those plans were interrupted by the Vietnam War. After four years in the Navy, he saw the light...locations, including the Little Gem amethyst scepter mine in Montana, the Fluorita Dulcita prospect in Arizona...Lode, the California Mother Lode and the Homestake mine. Every known type of miner’s candlestick is illustrated...Rhodochrosite on Manganite N'Chwaning Mine, Northern Cape Province, South Africa. 8.7 cm In 1978 a historic |  | | Journal (issue) | | Ogdensburg, Sussex County, New Jersey, USA. The district is famous for its wide range of more than 250...cm in length, are known only from Buckwheat mine, on Mine Hill close to Franklin. Only a few natural gem-quality...Nova Scotia, and portions of the Neighbouring Province of British Columbia. Oliver and Boyd, Edinburgh...magnesium silicate, is a monoclinic member of the humite group of minerals and is usually found in weights...is probably the Braldu river valley. The Namlook mine in this valley has also produced fine translucent |  | | Book (volume) | | Lavrion, Greece (6) and Cu-poor adamite from Ojuela mine, Mexico (7) IR spectra of acid salts (silicates...Ca2B4O4(OH)7Cl·7H2O Locality: Salar de Carcote deposit, El Loa province, Antofagasta, Chile. Description: Colourless crystal...borax deposit, Salar del Hombre Muerto, Salta province, Argentina (type locality). Description: Colourless...Arsenato-Borates Sussexite 29 Mn2+BO2(OH) Locality: Gonzen mine, Sargans, St. Gallen, Switzerland. Description:...Andrembesoa Commune, Betafo District, Vakinankaratra Region, Antananarivo Province, Madagascar. Description: |  | Dzikowski, Tashia J., Cempírek, Jan, Groat, Lee A., Dipple, Gregory M., Giuliani, Gaston (2014) Origin of gem corundum in calcite marble: The Revelstoke occurrence in the Canadian Cordillera of British Columbia. Lithos, 198. 281-297 doi:10.1016/j.lithos.2014.03.030 | Journal (article/letter/editorial) | | from marble-hosted deposits in Luc Yen area, AC CE P North Vietnam. Chemical Geology 194, 167-185....Mineralogist 32, 825-837. Piazolo, S., Markl, G., 1999. Humite- and scapolite-bearing assemblages in marbles and |  | | Book (edition) | | contributors from Australia, Canada, Germany, Thailand, Vietnam, the UK and the USA, making this a truly international...extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...First Edition For two decades, an earlier work of mine – Practical Gemmology – has proved a useful elementary...intermediate and acid members of the volcanic province in southern Brazil and Uruguay, and the fire opals...particularly in the Yun Yang deposit in Hubei Province, China. For many years on the basis of experimental |  | | Journal (article/letter/editorial) | | Howlite Huanghoite-(Ce) Huebnerite (Fe wolframite) Humite Huntite Hutchinsonite Hyalophane Hydroboracite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content | | | Journal (article/letter/editorial) | | Howlite Huanghoite-(Ce) Huebnerite (Fe wolframite) Humite Huntite Hutchinsonite Hyalophane Hydroboracite...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting...also for the chrome diopside found at Outukumpu mine, a mineral that is first and foremost recognized...According to the Raw Materials Group (Sweden), the world mine production in 2005 stood at 19.3 m t metal content |  | | Journal (issue) | | Composition in Ruby from the Bo Rai Gem Field in Trat Province, Eastern Thailand By Supparat Promwongnan and...origin determination of gem corundum from Luc Yen (Vietnam), jadeite from the Polar Urals (Russia), red...part of the Rae domain of the western Churchill Province, within the Neoarchean volcano-sedimentary Prince...famous deposits are hosted by the Deccan volcanic province in India (Ottens et al. 2019). During the past...cavities of flood basalts from the Deccan volcanic province, India. Minerals, 9(6), article 351 (41 pp.), |
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