 | | Journal (issue) | | (a variety of zoisite), 9 cm, from the Merelani mine, located on the slopes of the Lelatema Mountains...color zoning, 5.1 cm, from Rubaya, North Kivu Province, Democratic Republic of Congo Back cover: Top...Top left: Euclase, 2.2 cm, from the La Marina mine, Colombia. Top right: Topaz, 8.4 cm, from Ouro Preto...left: Phosphophyllite, 2 cm, from the Unificada mine, Potosi, Bolivia. Bottom right: Grossular, 3.5 cm...Fluorapatite on elbaite, 5.5 cm, from the Alto da Cabeca mine, Parelhas, Rio Grande do Norte, Brazil. Will Johnson |  | | Journal (issue) | | Appellation 16 The Second World Emerald Symposium in Colombia The Second World Emerald Symposium Focuses on...The Muzo Companies’ 10th Anniversary – A Decade of Change A New Era for the Historic Coscuez Mine Esmeraldas...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...when Imperial Spain took over deposits at Chivor, Muzo and Cosquez, through the late 20th century, when...are on the rise and may someday catch up, but Colombia is still the source of 60% of all gem-quality |  | 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 (article/letter/editorial) | | determining the source of an emerald, even down to the mine from which it was extracted” (emphasis added). In...of an emerald read, “New method can pinpoint what mine this uncut emerald came from.” Although it’s true...finding a fingerprint that could pinpoint a particular mine in every case, or even in most cases. The new technique...Beryl, variety emerald, 4.2 cm long, Cosquez, Boyacá, Colombia. Gene Meieran specimen, Jeff Scovil photo...gem dealers can confirm that a stone is from Muzo, Colombia, the most famous emer- Volume 80, November/December |  | | Report (issue) | | 1975-1984) production of pyromorphite at the Les Farges mine near Ussel, Corrèze, France, it was like catching...collector). Pyromorphite, 6 cm, from the Les Farges mine, Ussel, Corrèze, France. Ex Doug Toland collection...prospect at Mawi (Dave writes “Mawi mine”) in Nuristan Province, Afghanistan. (For more information on...================= The Tonglushan mine near Daye, Hubei Province, China—which dates back some 3500 years—is...copper mine in the world. Although not especially noted for collector-quality minerals, the mine surprised |  | | Journal (article/letter/editorial) | | elements can either impart an “off” color or 1 Department of Earth and Ocean Sciences University of British...(gas pockets). Emerald from the Coscuez mine, Boyacá, Colombia. The crystal is 1.3 cm high. SAMPLE COURTESY...those from schist-type deposits. At the Stewart mine in California, gem-forming fluids followed fractures...Blue Sheppard next to a “chimney” in the Stewart mine, Pala, California. The chimneys are composed of...regions. Green malachite [Cu 2CO3 (OH) 2 ] and blue azurite [Cu3 (CO3) 2 (OH) 2 ] (FIG. 4) are widely distributed |  | | Journal (issue) | | BARITE 13 cm, from Jebel Ouichane, Sagangane, Nador Province, Oriental Region, Morocco. Doug Fiske collection;...from the Gachalá mine, Guavió-Guatéque mining district, Boyacá Department, Colombia. Gail & Jim Spann...photo. Fluorite with quartz, 11 cm, from Fujian Province, China. Keith & Diane Brownlee collection; Joe...from Katlang, Mardan Dist., Khyber Pakhtunkhwa Province, Pakistan. Jeff Starr collection; Joe Budd photo...photo. Tanzanite, 7.6 cm, from the Merelani mine near Arusha, Tanzania. Barry & Beth Kitt collection; James |  | | Journal (issue) | | crystal with calcite, 6.5 cm, from the Cosq uez mine, Colombia; found in 1998. Scott Rudolph collection, ex............................................... 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...when Imperial Spain took over deposits at Chivor, Muzo and Cosquez, through the late 20th century, when |  | | Journal (issue) | | cover Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection;...Mineralogy newsletter. After joining the Geoscience Department at the University of Arizona I was surprised...copper-containing minerals (e.g., chalcopyrite, azurite, malachite, chrysocolla, linarite, etc.). Consequently...custom jewelry. Wulfenite, 5.4 cm, from the Defiance mine near Gleeson, Cochise County, Arizona. Ken Donn...photo. Wulfenite (hot-pink), 3.7 cm, from the Glove mine, Tyndall district, Santa Cruz County, Arizona. Collected |  | | Journal (issue) | | Rhodonite, 4.7 cm, from the 1700 level, Zinc Corporation mine, Broken Hill, New South Wales, Australia. Collection...Kalgoorlie, Western Australia; Lee Spencer collection, John Chapman photo. • 2.5 cm, Top Camp mine, Western...Middle row from left: • 2.3 cm, Kintore mine, Coolgardie, Western Australia. Aloe Family collection; John...Scovil photo. Bottom, from left: • 3.8 cm, Leonora, Western Australia. Rob Sielecki collection; Jeff Scovil...(as the National Museum of Victoria); and the Western Australian Museum began in 1881 as a geological |  | | 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 |  | | Report (volume) | | Mineral Resources of Colombia (other than Petroleum) By QUENTIN D. SINGEWALD GEOLOGIC INVESTIGATIONS...PRINTING OFFICE, WASHINGTON i 1950 UNITED STATES DEPARTMENT OF THE INTERIOR Oscar L. Chapman, Secretary ...Emeralds...--------__ ____ ___________ __ ------Muzo mines__________________________-_____-----_---_-----_-Geography...mine________________________________-_______ Guayaquil mine ___________________________________________ Cau...ILLUSTRATIONS Page PLATE 5. Index map of part of Colombia, South America _______ In pocket 6. Map showing |  | | Catalog/List | | Minshull Chief Operating Officer DIRECTORY FOR DEPARTMENT SPECIALISTS AND SERVICES COINS & CURRENCY COINS...com HA.com/FineArt Pinups and Illustration Art WESTERN AMERICANA Ed Jaster, Ext. 1288 EdJ@HA.com HA...V.P. Auction Operations Norma@HA.com CREDIT DEPARTMENT Marti Korver, Ext 1248 Marti@HA.com Eric Thomas... 53001 AMETHYST PORCUPINE Artigas, Artigas Department, Uruguay An Amethyst ‘porcupine’ of colorless...Capilla District, Castrovirreyna Province, Huancavelica Department, Peru Over 14 colorless Japan-Law |  | | Catalog/List | | on quartz 6 ins. long £250 Minas Cerais, Brazil AZURITE - dark blue crystals on matrix 5 x 2 111 ins. £575...gemmy blue crystal 1 'h ins. long £150 Corconda Mine, Minas Cera,s, Brazil APOPHYLLITE - a 2 inch spray...4 x 3 ins. £165 Poona, India AZURITE/MALACHITE - rosettes of blue azurite with some green malachite 6...orange crystal 1 V2 ins. on edge. Zinyang, Sitchuan Province, China £320 COLEMANITE - transparent colemanite...crystals in vug in limestone, 5 ins. x 5 ins. Muzo Mine, Colombia £ on application FLUORITE - mauve fluorite |  | | Journal (issue) | | TABLE OF CONTENTS FEATURE ARTICLES The Coscuez Mine: A Major Source of Colombian Emeralds Ron Ringsmd...productive, if little known, emerald mines in Colombia is the Coscuez mine. The 14.52-ct emeraldillustrated here...locality, which lies only 10 k m from the famous Muzo mine. Ron Ringsrud's articlein this issue takes a comprehensivelook...CA THE COSCUEZ MINE: A MAJOR SOURCE OF COLOMBIAN EMERALDS By Ron Ringsrud The Muzo emerald district...district, i n Boyacd, Colombia, contains several mines. Although the Muzo mine i s undoubtedly the best known |  | | Book | | CHEMICAL AND PHYSICAL PROPERTIES 90 Emerald Lore in Colombia and Peru, 5. 93 Crystal Structure Chemical...Proportions, Chile, 407 335 Polishing 359 361 Colombia, Laps and Agents, 336 407 Czechoslovakia, 13...by the noted were emerald made from green Department of Antiquities more extremely certain that... worked to were satisfy a the gems from Colombia only known source gained of emeralds. vigorous...north of Thebes. No emeralds exist the emerald mine through stones. Qift as as other mineral, |  | | 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) | | Conklin T1 mM!NERA!. =!CAL RECORD The Newmont Azurite: The world's finest mineral specimen ............11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article on the Colombian...Fort Victor ia, SonthArn Rhorl,,st'l. Bogota, Colombia. LAWRENCE H. CONKLIN 2 WEST 46th STREET , NEW...ROOMJ53 BARITE 20.3 CM XIEFANG MINE , GANZHOU PREFECTURE , JIANGXI PROVINCE , CHINA TOM SPANN PHOTO ■ ...Comenius University, Faculty of Natural Sciences Department of Mineralogy and Petrology Ilkovifova 6, 842 |  | | Journal (article/letter/editorial) | | came from Prospect quarry, near Parramatta in western Sydney. Unlike today, at that time the area around...Smithsonite. (7 × 4 cm; D49972), Broken Hill Proprietary mine, Broken Hill, New South Wales. Prospect dolerite...Figure 6. Anglesite (5 × 3 cm; D49920), Proprietary mine, Broken Hill, New South Wales. Figure 7. Pyromorphite...South Australia, collecting specimens from Olary Province and valuing the entire mineral collection of and...(4.7 × 3 cm; D49966), 17 Level, Zinc Corporation mine, Broken Hill, New South Wales. specimens from these |  | | Journal (article/letter/editorial) | | JanuarylFebruary: Tourmaline on quartz, Cruzeiro mine, Minas Gerais, Brazil. Los Angeles County Museum...Pelt photo. MarcWApril: Beryl and calcite, La Pita mine, Maripi Boyacii, Columbia. Cal Graeber, Leonard...(Herkimer “diamonds’’), Treasure Mountain Diamond mine, near Little Falls, New York. Uli Bahmann specimen...photo. SepteniberlOctober: Gold, Smuggler Union mine, Telluride district, Colorado. Colorado School of...Calcite, variety manganoan, Argentine vein, Idarado mine, San Miguel County, Colorado. Dave Bunk specimen |  | | 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 |  | | Book | | from Tourmaline Queen Mine, San Diego County, Pala, California. Back Cover: Azurite and Malachite (Polished...page 280. Page l: Left: The "Patricia Emerald," Colombia, 629 carats, 6.6 cm ( I ½ in.) high. Right: The...98 Smithsonite ZnCO 3 99 Cerussite PbCO 3 100 Azurite Cu,(CO 3>i{OH) 2 101- 106 Malachite (see gems also)...Octahedral Diamond Crystal in Kimber lite Premier Mine, Kimberley, South Africa On loan from Mrs Charles...an edge 65 Fluorite on Sphalerite 66 Elmwood Mine, Carthage, Tennessee Crystals 2.5 cm (1 ,n.) across |  | | Report (issue) | | emerald crystals from La Pita at Maripi, BoyacColombia valued at up to 1,000.00 US dollars per carat;...emerald specimen with calcite from Coscuez, Boyaca, Colombia. Bill Larson collection; Jeff Scovil photo Bottom:...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 (issue) | | M ontreal Mine! L L The Mineralogical Record MAY–JUNE 2020 • VOLUME 51 • NUMBER 3 • $25 & Wayne...gemgypsy@bellsouth.net MAY–JUNE 2020 Articles The Montreal mine, Iron County, Wisconsin ........................... 487 COVER: BARITE, 6.5 cm, from the Montreal mine. David and Karen DeBruin collection, ex Muscatine...1970s, and as Deputy Director for the Illinois Department of Alcoholism and Substance Abuse. Upon retirement...crystals to 1.6 cm on vesuvianite from the Crazy Sphinx mine, Helena District, Lewis and Clark County, Montana |
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