 | | Journal (issue) | | EMERALD UPDATE Highlights of Bogota Symposium Colombia opened its arms to welcome the world’s leading...huge success with more than 300 delegates from Colombia and around the world taking part. More than 42...and brand retailers. They visited the Muzo, Cunas, Pita and Chivor mines on the slopes of the Andean...page: Rough emeralds mined by Gemfields at the Kagem mine in Zambia. (Photo courtesy of Gemfields) CONTENTS...Symposium Report and Presentations 42 6 16 17 18 20 Colombia Hosts First High-Level Global Emerald Symposium |  | | Journal (issue) | | Appellation 16 The Second World Emerald Symposium in Colombia The Second World Emerald Symposium Focuses on...Decade of Change A New Era for the Historic Coscuez Mine Esmeraldas Santa Rosa: Our Wealth is Green Rediscovery...More Exquisite Emeralds Magnificent Old Mine Emeralds 143 Mine Visit A Visit to Colombia’s “Green” Emerald...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 |  | | Journal (article/letter/editorial) | | represents the culmination of two expeditions to Colombia and Ecuador in 1853 and 1857, inspired by the...January–February, 2016 The Emerald Mines of Colombia Thomas P. Moore The Mineralogical Record 2709...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...are on the rise and may someday catch up, but Colombia is still the source of 60% of all gem-quality |  | | Journal (issue) | | 296 Photoluminescence Spectra of Emeralds from Colombia, Afghanistan, and Zambia D. Brian Thompson, Christian...Blue-green pyrope-spessartine with high vanadium • “La Lechuga” monstrance • “Montana Queen” sapphire •...synthetic star corundum, and the Colombian emerald mine-to-market industry. In our lead article, Drs. Sally...investigate the PL spectra of 48 samples from Colombia, Afghanistan, and Zambia. Their research strongly...gemologist at Centro de Desarrollo Tecnológico de la Esmeralda Colombiana (CDTEC), and his GIA coauthors |  | 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) | | 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...Austria); (IIB) Sedimentary rocks-black shale (Colombia, Canada, USA); (IIC) Metamorphic rocks (China...ct. Insufu rough emerald extracted from the Kagem mine in 2015. Lastly, on the 2th of October, the remarkable |  | | Journal (issue) | | COVER: EMERALD crystal with calcite, 6.5 cm, from the Cosq uez mine, Colombia; found in 1998. Scott Rudolph............................................... 22 Mine Exploitation (or not) Today ......................represents the culmination of two expeditions to Colombia and Ecuador in 1853 and 1857, inspired by the...organics-rich sedimentary rocks in the Department of Boyaca in west-central Colombia. From the early 16th century...20th century, when the Gachala, Penas Blancas, La Pita and other deposits were first worked, these mines |  | | Journal (issue) | | .......................................... 20 Colombia.................................................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...that most of the production is mixed with calcite. The spinel mine at Kuh-i-Lal is being operated by a skeleton |  | | Report (issue) | | top-quality emerald crystals from La Pita at Maripi, BoyacColombia valued at up to 1,000.00 US dollars...A 6.5 cm emerald specimen with calcite from Coscuez, Boyaca, Colombia. Bill Larson collection; Jeff Scovil...Wilson Whether from ancient India, Greece, Rome or Colombia, emeralds have always been a highly prized gemstone...CRPGICNRS in Vandoeuvre, France Colombia: Gonzalo Jara of Bogota, Colombia Africa: Federico Pezzotta from...Treatments: Ron Ringsrud of Saratoga, California 2 Colombia: The World's Top Producer .....36 Eastern Cordillera |  | | Journal (article/letter/editorial) | | 94, March/April 2019 173 Emerald on Calcite, Cunas, Colombia, 8 cm Photo: Malte Sickinger MARCUS BUDIL |  | | Journal (issue) | | Spectrometer In late 2021, Gemetrix Pty Ltd (Perth, Western Australia) released the Inspectrum, an instrument...January 2021, the Government of South Australia’s Department for Energy and Mining issued a 36-page report...prospecting permit and ‘requirements to prospect and mine for opal both within and outside’ a field. Also...Diamonds In March 2022, Gemetrix Pty Ltd (Perth, Western Australia) updated its reference poster that displays...Rayner), diamonds from South Africa’s Koffiefontein mine and their inclusions (by Dr Nicole Meyer), and historical |  | González-Menéndez, L., Gómez-Fernández, F., Cunningham, J. K., Menéndez, S., Caldevilla, P., Gallastegui, G., Cuesta, A. (2021) Ordovician volcanic rocks record rifting, Variscan metamorphism and gold mineralization processes (Truchas Syncline, NW Iberia, Spain) Journal of Iberian Geology, 47 (1) 387-409 doi:10.1007/s41513-020-00147-8 | Journal (article/letter/editorial) | | Crustal contamination is absent given the elevated Nb/La ratio (1–1.5). These features indicate low melting...with Ca–Fe–Mg phases to produce carbonates (Mg-calcite–Fe-dolomite). For this event, T-XCO2 modelling...Ordovícicas afloran en el Macizo Varisco del noroeste de la Península Ibérica. Su composición es basáltica (con...y se realiza un modelo termodinámico para revisar la petrogénesis de * L. González‑Menéndez l.gonzalez@igme...contaminación cortical, dadas las elevadas relaciones de Nb/La observadas (1–1.5). Esta geoquímica indica bajos |  | | Journal (issue) | | back cover shows emeralds from the Chivor mine in Colombia (3.90 ct faceted stone and 2.35 cm crystal)...ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS), where continual calibration with wellknown...difficult to be certain the stones came from the mine where they were collected. Careful documentation...database. GIA has a permanent field gemology department whose job it is to collect these samples as close...deposits of the western emerald zone (Yacopi, Coscuez, Muzo, Peñas Blancas, Cunas, and La Pita mines) and |  | | Book | | Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights into Their Origin...Cenozoic Alkaline Basalts of the Ratanakiri Volcanic Province (Cambodia), Southeast Asia—Trace Element Geochemistry...Panagiotis Voudouris is Professor of Mineralogy at the Department of Geology and Geoenvironment, National and Kapodistrian...Professor in Economic Geology-Geochemistry, at the Department of Mineralogy, Petrology, Economic Geology, School...pegmatite situated in the Borborema Pegmatitic Province (BPP) from Rio Grande do Norte in Northeast Brazil |  | | Journal (issue) | | Aquamarine with Spodumene Inclusions from the Oceanview Mine, California, USA | Demantoid/ Andradite Slices from...Diopside from Russia | Cat’s-Eye Emeralds from Colombia | Euchroite from Slovakia | Properties of Green...‘Home Gemmology’, ‘Jewellery Industry Voices’ and ‘Mine to Design’. • Gem-A (London) has produced a series...(tnhan93@gmail.com) Université catholique de Louvain Louvain-la-Neuve, Belgium Aurélien Delaunay and Ugo Hennebois...the Oceanview Mine, California, USA Since 2000, mining operations at the Oceanview mine in Pala, San Diego |  | | Journal (issue) | | Shown here is the recovery plant at the Jwaneng mine in Botswana. Photo courtesy of Debswana. another...for a total value of about US$3.5 billion. The province of Saskatchewan will likely be an important player...wealth and income, and the growing awareness of western lifestyles promise a bright future for the diamond...for mining companies, their large clients, and western women. The dream must be shared with African diggers...ablation–inductively coupled plasma–mass spectrometry (LA-ICP-MS; figure 1), and laserinduced breakdown spectroscopy |  | | Journal (issue) | | on Petra Diamonds by Jim Davidson, (3) the Karowe mine by John Armstrong of Lucara Diamond Corp., (4) the...ablation inductively coupled plasma mass spectrometry (LA-ICP-MS) as a tool for origin determination, but it...U-Pb ages were determined quasi-non-destructively by LA-ICP-MS for two high-value blue sapphires weighing...contain zircon inclusions that were age dated using LA-ICP-MS. Photos by Janine Meyer. Figure 15: The zircon...Hardy P., 2013. Blue sapphires from the Baw Mar mine in Mogok. Gems & Gemology, 49(4), 223–232, http://dx |  | | Journal (volume) | | Proboscis worms, 68 Protozoans, 67 Puberty rites of the Cunas, 8 lav, Blue-fronted, 262 jeih fish, 68 Jewels...Mexican, 168, Water for a Dying Giant, 464 Robin, Western, 266 Robin's Nest, (Nov. Cover Design) George Blake...of UV 4 fcfoplk >R^k WILLEMITE. WERNERITE, CALCITE. TREMOLITE, FLUORITE. ing -d _ a. ~ j 3 ...of the are offered by Schwarz of the American Department of Insects and The following remarks Herbert...of the puberty ceremony performed by the aloof Cunas of Panama THE COVER THIS MONTH girl Kurt Severin |  | | Journal (volume) | | Proboscis worms, 68 Protozoans, 67 Puberty rites of the Cunas, 8 lav, Blue-fronted, 262 jeih fish, 68 Jewels...Mexican, 168, Water for a Dying Giant, 464 Robin, Western, 266 Robin's Nest, (Nov. Cover Design) George Blake...of UV 4 fcfoplk >R^k WILLEMITE. WERNERITE, CALCITE. TREMOLITE, FLUORITE. ing -d _ a. ~ j 3 ...of the are offered by Schwarz of the American Department of Insects and The following remarks Herbert...of the puberty ceremony performed by the aloof Cunas of Panama THE COVER THIS MONTH girl Kurt Severin |  | | Journal (issue) | | Wood-Grained Chert and Its Significance in the Western Interior United States ..................... Peter...submitted to the editor, Dr. Norman D. Smith, Department of Geological Sciences, University of Lllinois...to Larry Doyle, University of South Florida, Department of Marine Science, l~0 Seventh Avenue South,...D. SMITH EDITORIAL ASSOCIATE: MARY ANN DIEHL Department of Geological Sciences, University of ILiinois...MIRIAM KASTNER Scripps Institution of Oceanography, La Jolla, California JEAN LAJOIE Universitt de Mon~al |  | | Journal (volume) | | determine the isotherms of the diagram and to deter- mine whether or not the five typical "clinkers" possess...bark disease. Farmers' Bulletin 1911. U. S. Department Agriculture No. 467. Pp. 24, figs. 4. This bulletin...Raphael Zon. An ecological survey of the forests of western Idaho, in connection with the preparation of yield... Of in had geology organized as a separate department. I have been unable to find any more recent data...with this subject as if the nations of Europe and western Asia had alone made advances in technology. Mining |  | | Book (volume) | | languages (May Subd Geog) [PM1980] BT Canada, Western—Languages Indians of North America—Languages West...(Xiangkhoang Province and Viangchan Prefecture, Laos) USE Ngum River (Xiangkhoang Province and Viangchan...1875 [TC773] Napipi River (Colombia) UF Rio Napipi (Colombia) BT Rivers—Colombia Napkin folding (May Subd...BT Napothera Napoule, Gulf of (France) UF Golfe de la Napoule (France) Gulf of Napoule (France) BT Bays—France...language Narino House (BogotS, Colombia) USE Casa de Narino (Bogota, Colombia) Narioka Iseki (Sendai-shi |  | | Book (volume) | | fci'X lA • • - _ .4 4 . . y.f~. W . . • , ...of a geographic feature, the name of a state or province, or the name of a city, then the name of the country...Ejdrcito Popular de la 15th International Reptiblica. Brigade Spain. Ej6rcito Popular de la Abraham Lincoln... Repdblica. Brigade Spain. Ejdrcito Popular de la Brigada Internacional, Reptiblica. XV — Safety...y Morago, Maria de la Concepcidn Marcela, d. 1857 ArgUello y Morago, Maria de la Concepcidn Marcela, |  | | Book (volume) | | MSfiH I'Ajtap^JU:’ pru8r4lA 4« U18 CH^trtkaiC Ml ti,aifviua>>) BT Stt^as*...Sa-skya-pa (Sect) Sa-la hui (Chinese people) USE Salar (Chinese people) Sa-la tsu (Chinese people)...Sabine family Sabana de Bogota (Colombia) USE Bogoti, Sabana de (Colombia) Sabanero Indians USE Guaymi...[QL737.C25 (Zoology)] Russian sable BT Sabine Lake (La. and Tex.) BT Lakes Louisiana Lakes Texas Sabine...and reserves Texas Sabine National WUdlife Refuge (La.) BT National parks and reserves — — — Sable antelope |  | | Book | | for the use of data photograph of the from mine their maps in at Qutdligssat The following companies...East Kilbride; The Exeter University Geological Department University of Liverpool Greenland research team...Palaeovertebrate faunas of Greenland, and Tertiary volcanic province of West Greenland which are drawn by H. Egelund...Survey of Greenland J. S. Myers J. R. Andrews Department of Geology B. Leth Nielsen The Geological Survey...The Geological Survey of Greenland D. B. Clarke Department of Geology Dalhousie University Scotia, Canada |  | | Book | | Chapter 4. Tomás’s First Mine: Ayoteco Chapter 5. Tomás de Fonseca’s Pachuca Mine and the Mining Revolution...Revolution 43 Chapter 6. Tomás’s Mine in Tlalpujahua Chapter 7. Tomás de Fonseca Reconnects 77 Chapter...Train of pack mules 40 Figure 4. Old Tlalpujahua mine entrance Figure 5. Mining tools Figure 6. Stamping...and client-friendly staff of the Archivo General de la Nación in Mexico City; To Rodrigo Espino Hernández...the admiral’s three small boats left the shelter of La Rábida’s estuary, they likely sailed past other boats |
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