 | Altenberger, Uwe, Rojas-Agramonte, Yamirka, Yang, Yueheng, Fernández-Lamus, Jimmy, Häger, Tobias, Guenter, Christina, Gonzalez-Pinzón, Alejandra, Charris-Leal, Felipe, Artel, Julia (2022) In Situ U–Th–Pb Dating of Parisite: Implication for the Age of Mineralization of Colombian Emeralds. Minerals, 12 (10) 1232 doi:10.3390/min12101232 | Journal (article/letter/editorial) | | Chinese Academy of Sciences, No. 19, Beitucheng Western Road, Chaoyang District, Beijing 100029, China...Nacional de Colombia, Bogotá 11001, Colombia Natural Colombia Mineral SAS, Bogotá, Colombia Correspondence:...world-famous emerald mines of the Muzo district, Boyacá Province, Colombia. Four samples of parisite-Ce collected...collected from outcrops near Muzo have been geochemically studied and dated using the in situ laser ablation...mineralization and crystallization of emerald deposits in Colombia. Furthermore, this study opens new avenues for |  | | 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 |  | | Journal (issue) | | 187 Peñas Blancas: An historic Colombian emerald mine R. Ringsrud and E. Boehm 251 Book review 254...Colombian emerald mine Ron Ringsrud and Edward Boehm Abstract: The Peñas Blancas emerald mine is part of Colombia’s...Colombia’s Muzo mining region, an 800 km2 area that encompasses the famous Muzo, Coscuez and La Pita mines...mines. This is the largest emerald district in Colombia, and it is the most productive and well-known...compares this historic mine to other famous producers in the region. Keywords: Colombia, emerald, geology |  | | Journal (issue) | | Picture A crystal of emerald on calcite from Muzo, Colombia, from The Mineral Collection, Federal Institute...Keeper of Minerals in 1953 he ensured that his department was well equipped for the rapid analysis of...Stevenson. This was a veritable mine of of inif one can have a mine for pearls. When formation - if I...was a slave. He killed his master and escaped to Western Europe and returned to England in 1604. Here he...1991,22, 6 334 Gem thaumasite from the Black Rock Mine, South South Mrica Africa Ulrich Henn, Markus |  | | Journal (article/letter/editorial) | | Yardley A. Cheilletz Emerald mineralisation in Colombia: ¯uid chemistry and the role of brine mixing ...March 2000 Abstract Emerald mineralisation in Colombia is located in two distinct zones along the borders...Cordillera, some 80 km apart. Mineralisation in the western zone has been dated at ca. 35 Ma whereas in the...Because the same two ¯uids occur in both eastern and western zones, despite the dierence in space and time...Sinkankas and Read 1981), and the deposits in Colombia, which are the principal source of the world's |  | | Journal (article/letter/editorial) | | from the old Summit prospect, a failed attempt to mine U from a Th-rich pegmatite (DCPS). However, much...World’s finest rock crystal: Muzo-habit quartz from PeñaS BlancaS, BoyAca, Colombia. C. A. Francis1, K. Downey2...Asheville, NC 28801. Colorless quartz crystals from Colombia that are perfectly transparent and have a particularly...which is Colombia’s most remote emerald mine. It lies in the western belt of emerald deposits 130 kilometers...kilometers north of Bogota and 25 kilometers north of Muzo. The nearest town is Borbur, formally Municipio |  | | Catalog/List | | 40x25x45mm. £28. ,,�tb 5) BARYTE and CHALCOPYRITE. Mount Wellington Mine, Twelveheads, Cornwall. Two...ofmatrix. Intergrown arc about six greyish lustrous baryte xls as singles and composite groups to 20mm. Some...6) BARYTOCALCITE. 2"' Sun Vein, Nentsberry Haggs Mine, Nenthead, Cumberland An 80x60mm flat area on limestone...xls. 65x50x30mm. £75. 8) CALCITE on QUARTZ. Geevor Mine, St Just, Cornwall. A single composite terminated...60x55x30mm. £22. IO) CASSJTERlTE and SCHORL. Balleswidden Mine, St Just, Cornwall. A good heavy veinstone witl1 |  | | Journal (issue) | | dirty-brown colour and sometimes fractured. In the North-Western region, corundum is Introduction found in Tertiary...NorthKenya and Tanzania, in addition to the many western region of Kenya. This is in the Turkana unusual...to produce district of the Northern Rift Valley Province, and corundum in all possible colours and qualities...the location of the star sapphires in the North-western region of Kenya. The mining area, dashed area in...the Turkana district of the Northern Rift Valley Province on the west side of Lake Turkana. Rough sapphire: |  | | Journal (issue) | | YourBookshelf 18 Bwlchglas Mine 20 Alpine Quartz L. Gautron 29 Muirshiel Mine 40 The Copper Trials...King Don the· 69th, the omnipotent intergalactic mine buff extraordinary has recently returned from a...to dwell on production difficulties at 2° Kelvin. Mine gases are still giving problems and production had...price of ROCKWARE ls OLIVINE? ROCKWARE 369 G Western Drive, Santa Cruz, CA 95060 Tel. (408) 423-5589...(Virtuous Lady mine, Devon), Arnold Fisher also featured a few specimens of Himalaya mine (Fullbrook, California) |  | | Catalog/List | | for sale. 73007 TOURMALINE Minh Tien Mine, Luc Yen, Yenbai Province, Vietnam A classic Vietnamese specimen...com/6150 73008 ELBAITE Minh Tien Mine, Luc Yen, Yenbai Province, Vietnam This unusual Elbaite is a...PM CT 15 73009 ELBAITE Minh Tien Mine, Luc Yen, Yenbai Province, Vietnam Clearly defined by its form...12:00 PM CT 17 CHINA 73012 PYROMORPHITE Daoping Mine, Gongcheng Co., Guilin Prefecture, Guangxi Zhuang...Wushan Spessartine Mine, Tongbei, Yunxiao Co., Zhangzhou Prefecture, Fujian Province, China Here are two |  | | Journal (issue) | | ········································345 rRON HILL IRON MINE. By C. Henry King ·····························................................368 NOTED TRUMBULL MINE CLOSED To COLLECTORS ..................................................... ....... 375 SQUAW PEAK MINE. By Edison Thacker ..................................................... 389 MINERAL WEALTH OF WESTERN STATES ..........................................rapid jungle growth. Spanish attempts to learn the mine locations were not successful, although they resorted |  | | Journal (issue) | | locality in Tanzania: the Tanga region, in the north-western part of the country. Cutting of 16 pieces of rough...October 2013 that reportedly came from the Tantara mine in Katanga District. They processed 11 kg of the...was discovered in Bisbee, Arizona, USA (Shattuck mine) as a pseudomorph after malachite (Schaller, 1915)...spectra of bisbeeite from Shangulume, Katanga Province, DRC, which showed features significantly different...tourmaline pebbles (1.73 and 1.75 g) are from a new mine at Maraca, Mozambique, which is situated near the |  | | Book | | of the most important mineralogical museums in Western Europe Austria Belgium Denmark Finland France Germany...holdings of the more important Mineral Museums of Western Europe that are open to the public. Private collections...eighty, more important, mineralogical museums in Western Europe introduced in this book, nearly half are...2.35 million specimens are catalogued in these Western European museums, with 140,000 of them actually...Embrey (BMNH) edited the English manuscript. 11 Western Europe 1:12500000 0 .___-., 1,0 _ Finland |  | | Journal (issue) | | Clare 9 12 Collecting Angles1te from the Hilton Mine by Steven A . Rust Francohte from C ornwall & Devon...E I ( 198 1/92) No. I July/Aug 198 1 Fluorite La Mine de Lacan Bo n a ll M oor Min e ra ls 28 pp. , 3...No. 2 Sept/O ct I 9 Pha rm acoside rite Red Gill Mine ral Whea l G o rla nd Mille rite 32p p .. 25 illu...ratio n No. 4 J a n/Feb 1982 Silver Mine rals fro m Devon Burga m Mine Childre nit e Fa llga te Qua rry...Alfre d W a rd , A Lune h ead Mine r Pyromorphite fro m Tre vinnick Mine Se lenite Co nne llite 42 pp |  | | Journal (article/letter/editorial) | | well as chlorite, K-feldspar, titanite, graphite, baryte, pyrite, amphibole, zircon, siderite, and bastnasite...phases are calcite, dolomite, rutile, titanite, baryte, and pyrite present in the skeleton of the trapiche...). MCKAGUE, H.L. (1964) Trapiche emeralds from Colombia. Gems & Gemology 11, 210–213. MÜLLENMEISTER,...A. (1970) Trapiche emeralds from Chivor and Muzo, Colombia. American Mineralogist 55, 416–422. 703 PIGNATELLI |  | | Book | | 0-408-01462-8 Photoset by Butterworths Litho Preparation Department Printed in Great Britain by Butler & Tanner Ltd...attractive twins were found in Brazil at the Piraja mine, Brumado district of Bahia state (the twins are...Japan itself the best twins are found at the Otome mine, Kurobera, Yamanashi Prefecture. The twins occur...tourmaline, feldspar and apatite. Twins from this mine are noted for their well-developed trapezohedral...inclusions. Before these locations, the Holland mine, Washington Camp, Santa Cruz County, Arizona, was |  | | Journal (article/letter/editorial) | | 168) proves it to be triclinic. From the Animas mine of the Compagnie Aramayo de Mines en Bolivie. Named...occurring as minute orthorhombic crystals of the baryte type in a mixed saline sublimation on Vesuvian...crystals formed by the burning of pyritic ore in a mine in ArizoDa. Named after Prof. Gurdon Montague Butler...Bogotg, 1925, p. 10, plate 4 ; Los minerales de Colombia, BogotA, 1927, p. 94 (codazzita). A rhombohedral...7 X (Ce, La, Di)CO s ; from the emerald mine of Muzo, Colombia. Named after the Italian geographer Agostino |  | | Book | | Acknowledgements I am grateful to Brian Jackson of the Department of Geology, Royal Museums of Scotland who read...stone came from — some¬ times down to the actual mine. Today it is commonplace to see in sale catalogues...calcite in Burmese ruby and spinel; emerald from Muzo, Colombia • chrome diopside in diamond • chromite in...and spinel. Calcite which is found in emerald from Muzo and corundum and spinel from Mogok, Burma, shows...emerald. Other emeralds, including those from Colombia, are Inclusions in the major gemstones 13 |  | | Journal (issue) | | from Chuncheon, Korea Won-Sa Kim, FGA, Ph.D. Department of Geology, Chungnam National University, Taejon...the Chuncheon area, north east of Seoul, in the Province of Kangwondo, which is in the central part of...Ch'unch'on). Annual production of the nephrite mine (the Daeil Mine) is reported to be approximately 80 000-90...map of nephrite mine area, Chuncheon, Korea. Occurrences The geology of the nephrite mine area consists...1995,24, 8 549 Fig. 3. Mine workers remove nephrite ore at the Daeil Mine, Chuncheon, Korea. The nephrite |  | | Book | | Africa and was named after the president of the mine, Cullinan. Uncut it weighed 3106 carats (approximately...of haematite, but only material from an iron ore mine in Cumberland in England, and also from Elba (Italy)...from Colombia with the typical surrounding rock from the most famous of all emerald mines, the Mine of...of Muzo, which was worked by the Incas long before the Spanish conquest. The emeralds are found in narrow...carbonaceous limestone. Apart from Muzo, Chivor and other mines in Colombia, good emeralds are also supplied |  | | Catalog/List | | auction of the newly minted Nature & Science department. It will be held in the Dallas Design district...com/5110 87003 CYANOTRICHITE Grandview (Last Chance) Mine, Grand Canyon, Coconino Co., Arizona, USA Fuzzy...200 87004 KROEHNKITE Chuquicamata Mine, Calama, El Loa Province, Antofagasta Region, Chile A very sizable...MALACHITE PSEUDOMORPH after AZURITE New Cornelia Mine (Ajo Mine), Ajo, Little Ajo Mts, Ajo District, Pima Co...1.25 inches (6.4 x 5.1 x 3.2 cm). Provenance: Western Minerals [Hoppel # D1139] Estimate: $1,000-$2,000 |  | Marshall, Dan, Meisser, Nicolas, Ellis, Sarah, Jones, Peter, Bussy, François, Mumenthaler, Thomas (2017) Formational Conditions For the Binntal Emerald Occurrence, Valais, Switzerland: Fluid Inclusion, Chemical Composition, and Stable Isotope Studies. The Canadian Mineralogist, 55 (4) 725-741 doi:10.3749/canmin.1600090 | Journal (article/letter/editorial) | | Middle Penninic domain (Briançonnais) of the Western Swiss Alps (Trümpy 1980). At Binntal, these sedimentary...identified in Fe-Mn-(As-V-Be) deposits in Eastern and Western Switzerland (Brugger & Gieré 2000, Brugger & Meisser...MnTiO3, MnKa, LIF; synthetic Fe2SiO4, FeKa, LIF: baryte, BaKa, PET; microcline, Ka, PET; synthetic cesium...other V-rich emerald deposits worldwide, such as Colombia, Norway, and China. Data are normalized from weight...displays similar chemistry to emerald from the western Colombian deposits (Giuliani et al. 2000). Although |  | | Journal (issue) | | marnes et marno-calcaires, grès ... Etymologie : province espagnole d' Aragon. Le minéral en France L'...lement cl ans bea uco up d'anciennes galeri es de mine, où ell e peut se former très rapid ement. On la...les échantill ons d'aragonite découverts dans la mine d'uranium de M as d'A lary, près de L odève ( Hérault... la cornwallite, l ' olivénite, mais auss i la baryte. L 'a zurite a éga lement été rencontrée en bea...bea ux échantillons en boul es clans l 'ancienne mine d ' uranium de Rabéj ac ( Hérault). Ell e est, clans |  | | Journal (issue) | | for the degree of Master au au of Philosophy, Department of Geography and Geology, University of Hong...quarter of 1997. In: Mineral industry surveys. US Department of the Interior, US Geological Survey, Reston...University of Calgary, Calgary, Alberta, Canada 3. Department of Geology and Geophysics, University of Calgary...specimens have been found M.O'D. at the Black and White mine at Danglemah. O. GALIBERT AND R.W. HUGHES. Revue...biotite-phlogopite fels from Poona, Cue District, Western Australia. Description of a visit by the authors |  | | 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 |
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Muzo Mine, Muzo Municipality, Western Boyacá Province, Boyacá Department, Colombia