 | | Catalog/List | | natural crystal formations of emeralds. Important emerald gemstones and jewelry can be found in every gem...same cannot be said about exceptional natural emerald specimens. We estimate that there are less than...having two-thirds of the world’s finest known emerald specimens cannot be overstated. This has never...invites the viewer to experience the wonder that is emerald. 3 The Legend of Fura & Tena The Muzo God...rivers near the city of Muzo (modern day western Boyacá, Colombia). Are then created one female, Fura, and |  | | Journal (issue) | | December 2015 WORLD EMERALD UPDATE Highlights of Bogota Symposium Colombia opened its arms to welcome...world’s leading emerald experts from October 13-15. The First International Emerald Symposium was a huge...delegates from Colombia and around the world taking part. More than 42 global emerald specialists from...Fedesmeraldas, the Colombian Emerald Federation, and supported by all the country’s emerald-related bodies and...challenges and opportunities faced by the world’s emerald industry, including resource management, manufacturing |  | | Journal (article/letter/editorial) | | represents the culmination of two expeditions to Colombia and Ecuador in 1853 and 1857, inspired by the...volume 47, January–February, 2016 The Emerald Mines of Colombia Thomas P. Moore The Mineralogical Record...organics-rich sedimentary rocks in the Department of Boyacá in west-central Colombia. From the early 16th century...20th century, when the Gachalá, Peñas Blancas, La Pita and other deposits were first worked, these mines...mines have produced world-class specimens of emerald. In recent times, major specimens of euclase, parisite-(Ce) |  | | Journal (issue) | | (a variety of zoisite), 9 cm, from the Merelani mine, located on the slopes of the Lelatema Mountains...Kivu Province, Democratic Republic of Congo Back cover: Top left: Euclase, 2.2 cm, from the La Marina...Marina mine, Colombia. Top right: Topaz, 8.4 cm, from Ouro Preto, Minas Gerais, Brazil. Lower left: Phosphophyllite...Phosphophyllite, 2 cm, from the Unificada mine, Potosi, Bolivia. Bottom right: Grossular, 3.5 cm, from Eden...Fluorapatite on elbaite, 5.5 cm, from the Alto da Cabeca mine, Parelhas, Rio Grande do Norte, Brazil. Will Johnson |  | | 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 |  | | Journal (issue) | | Saltwater Pearls PL Spectroscopy and Emerald Origin Colombian Emerald Field Report Editorial Staff Editor-in-Chief...296 Photoluminescence Spectra of Emeralds from Colombia, Afghanistan, and Zambia D. Brian Thompson, Christian...Nealey E. Sims Compares PL spectroscopy data of 48 emerald samples from three countries to evaluate the usefulness...decorative gemstone. FIELD REPORTS 332 The Colombian Emerald Industry: Winds of Change Darwin Fortaleché, Andrew...and Pedro Padua A firsthand look at Colombia’s emerald mines and the cutting and trading industry in Bogotá |  | | Journal (issue) | | Abstracts 187 Peñas Blancas: An historic Colombian emerald mine R. Ringsrud and E. Boehm 251 Book review ...Colombian emerald mine Ron Ringsrud and Edward Boehm Abstract: The Peñas Blancas emerald mine is part of...Muzo, Coscuez and La Pita mines. This is the largest emerald district in Colombia, and it is the most...most productive and well-known emerald mining region in the world. Peñas Blancas has a fascinating and turbulent...which sheds light on that of the entire Colombian emerald industry. Just as important, Peñas Blancas is finally |  | | Journal (issue) | | JANUARY-FEBRUARY 2016 • VOLUME 47 • NUMBER 1 $20 . The Emerald 1Iline£ of Jlolom6ia 1Iline.s, 1Ilineral.s, :pi... Moore COVER: EMERALD crystal with calcite, 6.5 cm, from the Cosq uez mine, Colombia; found in 1998............................................... 22 Mine Exploitation (or not) Today ......................Faults, Black Shales, Carbonate Veins ........ 21 Emerald Mineralization ....................................... 32 An Emerald Crystal Album .................................... 36 Great Emerald Crystals and |  | | 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...Find of top-quality emerald crystals from La Pita at Maripi, BoyacColombia valued at up to 1,000 |  | | Journal (issue) | | Another goal for the near future is to bring back mine tours in Africa, Asia and South America. These highly...Thailand Board of Directors Gabriel Angarita, Colombia Saurabh Bansal, Germany Warren F. Boyd, Canada...Zoysa, Sri Lanka Advisors Jean Claude Michelou, Colombia Ruben Bindra, USA Immediate Past President Benjamin...others, the Tagua (or Jarina) nut—mainly from Colombia and Equator—which can be carved and shaped much...Interest 104 Gold Sheen™ Sapphires – From Gold Mine to Market Trade Shows and Events Around the World |  | | Show/Event (guide) | | private appointments Topaz, Cleavelandite Mokrush Mine, Russia Thomas Spann Photo 2 3 CONTENTS 06...big pink building at Lester and Oracle! Visit us at La Fuente, Lester Street Patio Entrance www.iRocks.com...us in the tent January 26–February 10, 2024 at the La Fuente de Piedras Show Lester & N 13th Ave., Tucson...written by Bryan Swoboda. 12 Väyrynenite. Lolu Dahku mine, Roundu Valley, Skardu District, Gilgit-Baltistan...specimens from the mim museum Stibiotantalite. Urandu mine, Shigar Valley, Shigar District, Gilgit-Baltistan |  | | Journal (article/letter/editorial) | | significant emerald crystal, called El Itoco, recently discovered at the La Pita mine in Colombia. The hexagonal...open houses with sales, two gem and mineral shows, mine tours, a photography workshop, a banquet, and field...472-carat emerald crystal is shown next to an 11-carat emerald, a more typical size for Colombia, and a...with the specimen are three other emerald crystals and an emerald and diamond necklace and earrings suite |  | | Journal (issue) | | Future of Botswana’s Diamond Industry Determining Emerald Origin from Multiphase Inclusions Cause of Color...industries. pg. 109 114 Three-Phase Inclusions in Emerald and Their Impact on Origin Determination Sudarat...Discusses the role of three-phase inclusions in emerald, in combination with spectroscopy and trace-element...practicing gemologists, three-phase inclusions in emerald are inextricably linked to Colombian origin. Yet...potential for determining the geographic origin of emerald. We also offer a fascinating paper examining the |  | | Journal (issue) | | moving products from mine to consumer. The main cover image was taken at the AnahÌ mine in Bolivia, a major...diamond, GIA Collection no. 37583 (2) a 4.50 ct emerald from Chivor, courtesy of Equatorian Imports; (3)...lexicon, and instrumentation such as LA-ICPMS—once primarily the province of academia—became a fixture in...of the company (Even-Zohar, 2007). Because of the mine closures, De Beers’s market share by volume fell...pink diamonds (0.51 and 0.55 ct) from the Argyle mine in Australia were part of the 2007 Argyle pink diamonds |  | 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....Pauvres, BP 20, 54501 Vandœuvre cedex, France Department of Earth, Ocean and Atmospheric Sciences, University...Vancouver, BC V6T 1Z4, Canada; groat@mail.ubc.ca Department of Earth Sciences, Simon Fraser University, Burnaby... UK; fallickt@gmail.com Institut des Sciences de la Terre d’Orléans (ISTO), UMR 7327-CNRS/Université...February 2019 Abstract: Although emerald deposits are relatively rare, they can be formed |  | | Journal (issue) | | the Unificada mine, Potosi, Bolivia. Top right: Benitoite, 2 cm, from the Benitoite Gem mine, California...N‘Chwaning I mine, Kuruman, South Africa. Bottom right: Mimetite, 2.7 cm, from the Tsumeb mine, Namibia....Record: (1) Stephanite, Husky mine, Canada. (2) Wulfenite, Rowley mine, Arizona. (3) Diaspore twin, Pinarcik...Adelaide mine, Tasmania. (5) Andradite, Antetezambato, Madagascar. (6) Calcite, Mashamba West mine, Congo...Afghanistan. (8) Scorodite, Tsumeb mine, Namibia. (9) Shigaite, N’Chwaning II mine, South Africa. v This special |  | | Journal (issue) | | News International • Australia’s Ellendale diamond mine opens • Aquamarine and spessartine from Tanzania...Carved emeralds from an archeological site in Colombia • Hemimorphite from Congo • Jeremejevite from...from the Erongo Mountains, Namibia • New morganite mine in Madagascar • Namibian gem localities • New opals...single copies or back issues to the Subscriptions Department (see above), or visit www.gia.edu/gandg. To obtain...diamonds shown here are from Canada’s Ekati Diamond Mine™, which started production in 1998. The necklace |  | | Journal (issue) | | and Smelting Company of British Columbia, and the Mine and Exploration Division of the Canadian Forestry...1979 he was hired as curator of the Mineralogy Department at the Glenbow Museum in Calgary, Alberta, and...“The Mineralogy and Geology of the Silence Lake Mine” was published in Lapis (May 1985), and he was a...Colorado he worked as a miner at the Climax molybdenum mine. Benjy married Elizabeth Ann Spangler, and they...volume 51, September–October, 2020 famous Franklin mine. Russell and Alexandra were married soon after meeting |  | | Journal (issue) | | .......................................... 20 Colombia.................................................Kong; GEA, Brazil; Emmanuel Piat, France; Israel Emerald Cutters Association, Israel; Gemstar, Israel; Tom...PRESIDENTS Thomas Lind, Germany Jean Claude Michelou, Colombia TREASURER Akira Ito, Japan SECRETARIES Ismail...North Co., Canada; Jean Claude Michelou, Bogota, Colombia; the Gemological Institute of America (GIA), Carlsbad...rubies and tourmalines near the Chinese border in western Tajikistan. Many of the rubies have lower iron |  | | Book | | Stone in Myth and in Rock 9 3 From Mine to “Mine”: The Emerald Business 21 4 Emeralds in World History...and the Great Emeralds 75 6 Secrets of the Emerald Trade 141 7 Fake Emeralds and Their Kin: A Tale...every gem has a story. This is the story of the emerald. It’s a tale of fire, water, and serendipity. From...history, the emerald has had ties with both the sacred and the profane. Legend says that an emerald belonging...part of the extraordinary business of being an emerald. This is also a tale of robbers, miners, explorers |  | | Journal (issue) | | HPHT-Grown Synthetic Diamonds Diamonds from the Letšeng Mine Fall 2015 VOLUME 51, No. 3 EDITORIAL 221 Trapiche...Yannick Branquet Proposes a model for trapiche emerald formation based on petrographic, spectroscopic...identification based on statistical analysis and LA-ICP-MS spectrometry. pg. 293 REGULAR FEATURES 312...Yellow HPHT-treated rough diamond • Colorzoned emerald • Orange faceted eosphorite • Large faceted hibonite...334 Letters Gem News International Large star emerald • Natural faceted red rutile • Rare “star and cross” |  | | Journal (issue) | | Volume 38 / No. 1 / 2022 Colombian Emerald Oddities Pink-Orange Euclase from Brazil Inclusions in...Gemmological Education ARTICLES 26 Colombian Emerald Oddities: Review and Formation Mechanisms By Isabella...Displaying Gota de Aceite Effect in Colombian Emerald | Iolite from the Czech Republic | Sailboat-like...Blister Pearl | A Convincing Glass Imitation of Emerald 6 80 By Féodor Blumentritt and Emmanuel Fritsch...Spectrometer In late 2021, Gemetrix Pty Ltd (Perth, Western Australia) released the Inspectrum, an instrument |  | | Book (volume) | | Ojuela Mine, Mapimi, Durango, 14 Ojuela Mine, Mapimi, Durango, 19 (Cuproadamite) Tsumeb Mine, Tsumeb... 21 Amethyst Crystal Park, Park Co., Montana, 42 La Sopressa Claim, Guerrero, Mexico, 11 (“Scepter” )...Jalgaon, N. Maharashtra, India, 44 Aquamarine Pioniera Mine, Teofilo Otoni, Minas Gerais, Brazil, 15 Shigar...Tsumeb Mine, Tsumeb, Namibia, 48, 55 Beryl (see also Aquamarine, Morganite, Emerald) Calcite 884 Mine, near...Xuebaoding Mine, Pingwu Co., Sichuan Prov., China, 24 Cerussite, (on Malachite) Tsumeb Mine, Tsumeb, Namibia |  | | Journal (issue) | | diamond with mantle-mineral inclusions • Large emerald-in-quartz specimen • Calcite “melt” in grossular...Tajikistan • “Jambolite” • Update on the John Saul ruby mine, Kenya • Ruby and other gems from Nanyaseik, Myanmar...Gems, Los Angeles; the 13.18 ct round and 9.58 ct emerald-cut aquamarines are GIA Collection numbers 34397... Gatta is a researcher in the Earth Sciences Department of the University of Milan, Italy. Dr. Prosperi...its presence among the trace elements measured by LA-ICP-MS in one Malossi sample (see data in Adamo et |  | | Journal (issue) | | Characterization of Montana Sapphire Morphology of Colombian Emerald 2023 Tucson Report Spring 2023 VOLUME 59, No...Sapphire from Montana’s Secondary Deposits, Colombian Emerald Morphology, The 2023 Tucson Shows, and More… Duncan...and heat-treated). 46 Morphology of Colombian Emerald: Some Less Common Cases and Their Growth and Dissolution...of special morphological features in Colombian emerald, including possible relationships to trapiche emeralds...Madagascar • Orange sapphire from Greenland • Sweet Home mine rhodochrosite • New tourmaline find in San Diego |
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La Pita Mine, La Pita, Maripí, Western Boyacá Province, Boyacá Department, Colombia