 | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | | minerals Review Emerald Deposits: A Review and Enhanced Classification Gaston Giuliani 1, *, Lee A....February 2019 Abstract: Although emerald deposits are relatively rare, they can be formed...systems and models currently used to describe emerald precipitation and predict its occurrence are too...mode of formation for some emerald deposits. Generally speaking, emerald is beryl with sufficient concentrations...crystals. The limiting factor in the formation of emerald is geological conditions resulting in an environment |  | | Book | | Origin 3. Hydrothermal Gem Deposits: 35 39 The Emerald Deposits of Colombia 4. Gemstones Formed in Pegmatites:...Sheet Gem Deposits: 115 119 The Zabargad Island, Egypt, Peridot Deposits 9. Diamond Pipes: 129 The Diamond...detailed description of all varieties of gem deposits, mining and recovery methods, as well as the production...selection and up-to-date description of the geology, mining operations, production, and economy of the most...respectively. The classic peridot of Zabargad Island, Egypt and the new find at Argyle in Western Australia | | | Book | | Origin 3. Hydrothermal Gem Deposits: 35 39 The Emerald Deposits of Colombia 4. Gemstones Formed in Pegmatites:...Sheet Gem Deposits: 115 119 The Zabargad Island, Egypt, Peridot Deposits 9. Diamond Pipes: 129 The Diamond...detailed description of all varieties of gem deposits, mining and recovery methods, as well as the production...selection and up-to-date description of the geology, mining operations, production, and economy of the most...respectively. The classic peridot of Zabargad Island, Egypt and the new find at Argyle in Western Australia |  | | Report (issue) | | our way through the compet itive minefield of emerald science, much of John's contribu tion to this...any other opinion. extraLapis English No. 2: Emerald The Most Valuable Beryl The Most Precious Gemstone...we • pay tribute to John Sinkankas to whom this emerald issue is dedicated. John Sinkankas wrote more...than 15 books including his 1981 definitive work Emerald and Other Beryls. He set standards for authors...Gloria & Gunther A 2001 Find of top-quality emerald crystals from La Pita at Maripi, Boyac |  | Baksheev, Ivan A., Trumbull, Robert B., Popov, Mikhail P., Erokhin, Yuri V., Kudryavtseva, Olesya E., Yapaskurt, Vasily O., Khiller, Vera V., Vovna, Galina M., Kiselev, Vladimir I. (2018) Chemical and boron isotopic composition of tourmaline from the Mariinsky emerald deposit, Central Urals, Russia. Mineralium Deposita, 53 (4) 565-583 doi:10.1007/s00126-017-0759-z | Journal (article/letter/editorial) | | isotopic composition of tourmaline from the Mariinsky emerald deposit, Central Urals, Russia Ivan A. Baksheev...Mariinsky schisthosted emerald deposit in the Central Urals, Russia, both in emerald-bearing phlogopite veins...in exploration of emerald-bearing and emerald-free veins in schist-hosted emerald deposits. The δ11B...dominated from the granitic rocks surrounding the emerald belt. The narrow range of B-isotope compositions..., Yekaterinburg 620016, Russia 4 Urals State Mining University, ul. Kuibysheva 30, Yekaterinburg 620144 |  | 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) | | protoliths to form gem minerals. Keywords Gems . Emerald . Ruby . Garnet . Zoisite . Lapis-lazuli . Metamorphism...Colombian emerald deposits Located in the Eastern Cordillera basin, the Colombian emerald deposits define...encompassing the mining districts of Gachalá, Chivor and Macanal, and the western belt including the mining districts...Coscuez, La Pita and Peñas Blancas (Fig. 2a). Emerald mineralisation is hosted in the Lower Cretaceous...and geometric analysis provided evidence that emerald mineralisation is associated with structural events |  | | Journal (article/letter/editorial) | | Record, volume 47, January–February, 2016 The Emerald Mines of Colombia Thomas P. Moore The Mineralogical...these mines have produced world-class specimens of emerald. In recent times, major specimens of euclase, parisite-(Ce)...specimens of emerald beryl and other species continue to trickle out. INTRODUCTION Emerald is routinely...and so this article will not venture much into emerald gemology, much less into gem pricing. Instead,...geology, mining techniques, mineralogy, and specimen-collecting aspects of the Colombian emerald-mining region |  | | Journal (issue) | | Special Emerald 2018 – Issue 40 All About Colored Gemstones World Emerald Update Highlights of the...the Second World Emerald Symposium, Bogotá International Gemstone Association AColored Publication of the...Issue 40 ׀InColor 1 2 InColor ׀Special Emerald 2018 InColorMagazine.com; Gemstone.org International... Contents In Side 5 Special World Emerald Update Editor’s Note World Emerald Challenge: Origins and Appellation...Appellation 16 The Second World Emerald Symposium in Colombia The Second World Emerald Symposium Focuses on Responsible |  | Ren, Junping, Wang, Jie, Zuo, Libo, Liu, Xiaoyang, Dai, Chaocheng, Xu, Kangkang, Li, Guozhan, Geng, Jianzhen, Xiao, Zhibin, Sun, Kai, He, Fuqing, Gu, ALei (2017) Zircon U–Pb and biotite 40Ar/39Ar geochronology from the Anzan emerald deposit in Zambia. Ore Geology Reviews, 91. 612-619 doi:10.1016/j.oregeorev.2017.08.034 | Journal (article/letter/editorial) | | Zambia 40 Ar/39Ar geochronology from the Anzan emerald ⁎ Junping Rena, , Jie Wanga, Libo Zuoa, Xiaoyang...age Biotite 40Ar–39Ar age Anzan emerald deposit Zambia The Kafubu Emerald Area in Zambia is an important...carbonatization altered rock and emerald-hosting biotite chlorite schist from the Anzan emerald deposit in the Kafubu...chronology measurements of the country rock and emerald-hosting rock which belong to Muva Supergroup, yielding...Ma, and found that the ore bodies in the Anzan emerald deposit underwent three phases of metamorphism |  | | Journal (issue) | | JANUARY-FEBRUARY 2016 • VOLUME 47 • NUMBER 1 $20 . The Emerald 1Iline£ of Jlolom6ia 1Iline.s, 1Ilineral.s, :pi...& Advertising Manager Thomas P. Moore COVER: EMERALD crystal with calcite, 6.5 cm, from the Cosq uez........... 21 Emerald Mineralization ........................................... 28 Mining Methods ........... 32 An Emerald Crystal Album .................................... 36 Great Emerald Crystals and...Record, volume 47, January-February, 2016 The Emerald 1Iline£ of Jlolom6io Thomas P. Moore The Mineralogical |  | | Book | | Marshall, Anthony E. Fallick and Yannick Branquet Emerald Deposits: A Review and Enhanced Classification Reprinted...Distinguished Visiting Professor at the China University of Mining and Technology. His research activity covers a...review proposed an enhanced classification for emerald deposits based on the geological environment (magmatic...in various places around the globe. Ruby is the red variety and sapphire is the blue variety, while all...andalusite, garnet -grossular, and spessartine- and red-epidote) of “near” gem-quality from Thassos Island |  | | Book (edition) | | extensive fields in the prophetically named Kimberley district of Western Australia promise to be of world importance...in line with modern knowledge. In the cases of emerald and ruby and sapphire new sources of supply have...Ltd, for the information on the Botswana diamond mining; Messrs Eickhorst & Co of Hamburg for the illustrations...the incorporation in this work of my articles on emerald, ruby and sapphire, and marble, as well as a number...the Cultured Pearl Company, and those of diamond mining by the Anglo-American Corporation. Robert Webster |  | | Journal (issue) | | than in that of the dealer who purchased a fine "emerald" crystal on Bogota's famed Avenida Jimenez, only...lazuli deposits, significant a m o u n t s of fine emerald, tourmaline, k u n z i t e , a n d s o m e rubies...deposits of lapis lazuli, significant quantities of emerald, tourmaline, and kunzite, among other gem materials...materials-emerald, tourmaline, kunzite, and rubyincluding the locations of the mines, mining methods,...been found in the southern portion of the Sorobi district, in Kabul Province. The topography of the region |  | | Journal (issue) | | on the geology, background, and current state of mining and production at Iran’s largest turquoise mine...inscription • Double cat’s-eye emerald • Fossilized shell consisting of emerald • Glass imitation of star...• Hematite “rose” in aquamarine • Parisite in emerald • Iridescent akoya pearl • “Snake” and “fish” fluid...Highlights from the Lab Notes section include a unique emerald cabochon with two distinct chatoyant bands, the... maxima mollusk are often referred to as “South Sea” in the market. Australia is the largest producer |  | | Journal (issue) | | JANUARY–FEBRUARY 2024 Articles The Berbes Fluorite District, Asturias, Spain................................discharge, in New York City’s famous meatpacking district, becoming a production manager for Edmund Mayer...amethyst good luck charms, seals, and beads in Egypt made before 3,000 BC. Countless myths and legends...the finest pieces displayed an attractive purplish red undertone reminiscent of the Russian material. Further...was superficial and lacked systematic or advanced mining techniques. Crystal sizes varied, but a feature |  | | Journal (issue) | | Magmatism and metallogeny of the Certej-Săcărâmb District, Apuseni Mts. Romania Field Trip SEG Student Chapters...et al., 2009 ; Kovács-Pálffy et al., 2011 ). The mining activity that took place in the past at the Baia...mineral species that form through weathering in such mining sites and how they can affect the environment....original (1963) find, Baia Sprie, Baia Mare ore district (Romania). Carpathian Journal of Earth and Environmental...anhydrite inclusions, and accidentally very small red biotitic lens are found. In thin sections, the microscopic |  | | Journal (volume) | | Essaid BILAL Use of mining waste in agriculture. An example using emerald mining waste from Minas Gerais... Ciprian NIMARĂ, Ciprian DANCIU The effects of mining activities from Campu lui Neag and identification...barite nodules from the bentonitic Valea Chioarului mining prospect (geol. V. Todoran, 1997 sample courtesy)...argyrodite bearing ores was facilitated by the mining archaeological research carried out in Cârnic massif...pirquitasite) in Roșia Montană ore deposit. The mining archaeological research carried out during several |  | | Journal (issue) | | mine, Muzo District, Boyaca Department, Colombia. See the article on the Colombian emerald deposits in...Record, volume 47, May-June, 2016 ::f, j7 ''f() EMERALD, fine term. l , ClffiYS0BERYL •;ar . ALE:;Ll...distance. The earliest recorded use of gunpowder for mining was in Hungary in 1627. 254 The Mineralogical...species. Hodrusa-Hamre (in the Banska Stiavnica mining district) is also the type locality for hodrusite. V...1920, is one of the most historically important mining *Locality name changes like these can be confusing |
|
Emerald mining district, Red Sea Governorate, Egypt