 | | Journal (article/letter/editorial) | | Cr-bearing tourmaline associated with emerald deposits from Swat, NW Pakistan: Genesis and its exploration significance...significance MohaMMad arif,1 darrell J. henry,2,* and Charlie J. Moon3 Department of Geology, University...University of Peshawar, Peshawar 25120, Pakistan Department of Geology and Geophysics, Louisiana State University...Cornwall Campus, Penryn, Cornwall, TR10 9EZ, U.K. 1 2 abstraCt Carbonate-talc altered ultramafic (and mafic)...lithosphere along the Main Mantle Thrust in the Swat Valley host emerald deposits and are invaded by quartz veins |  | | Journal (article/letter/editorial) | | rocks from Swat, northwestern Pakistan: a stable-isotope investigation M. Arif 1"*, A.E. Fallick 2, C.J. Moon...3 January 1996 Abstract. Emerald deposits in Swat, northwestern Pakistan, occurring in talc-magnesite...samples) and tourmaline (two samples) from the Mingora emerald mines. The oxygen isotopic composition (&180...n = 7). Each of the two components of water in emerald (channel and inclusion) has a different range of...The mean 6D of channel waters measured from emerald ( - 4 2 +_ 6.6~/oo SMOW) and that of fluid calculated |  | | Journal (article/letter/editorial) | | for emerald mineralization in the ophiolitic rocks of the Indus Suture Zone in Swat, NW Pakistan M. Arif...Geology, University of Peshawar, Peshawar 25120, Pakistan Department of Geology and Geophysics, Louisiana...Keywords: Emerald genesis Host petrography Geochemistry Mineralizing elements Swat Pakistan a b s t r...dolomite), locally containing emerald deposits, occur within the Swat Valley. These rocks, part of the...associated, originally sedimentary rocks of the Indo-Pakistan plate. Locally, late-stage hydrothermal activity |  | Kazmi, A. H., Lawrence, R. D., Anwar, J., Snee, Lawrence W., Hussain, S. (1986) Mingora emerald deposits (Pakistan); suture-associated gem mineralization. Economic Geology, 81 (8) 2022-2028 doi:10.2113/gsecongeo.81.8.2022 | Journal (article/letter/editorial) | | EconomicGeology Vol. 81, 1986, pp. 2022-2028 MINGORA EMERALD DEPOSITS (PAKISTAN): SUTURE-ASSOCIATEDGEM MINERALIZATION... KAZMI, GeologicalSurveyof Pakistan,42-R, Block6, PECHS,Karachi, Pakistan R. D. LAWRENCE, Geolog•tDepartment...Oregon97331 j. ANWAR, GemstoneCorporationof Pakistan,Peshawar,Pakistan L. W. SNEE,* GeologyDepartment,OregonState...AND S. HUSSAIN GemstoneCorporationof Pakistan,Peshawar,Pakistan Introduction The Indian subcontinentsequence...Mingoraemeralddepositsare locatedat the northernedge of Mingora,SwatDistrict, about 130 milesnortheastof Peshawar(Fig |  | | Report (issue) | | our way through the compet itive minefield of emerald science, much of John's contribu tion to this...or 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 |  | | Journal (issue) | | However, other research topics would be considered; 2.having carried out the research programme, the Fellow...results, each of which is the sample average. Samples 2, 5, 7 and 12, had been heat-treated once. Samples...tested Mine & location Looi mine, Kha district Looi mine, Kha district Looi mine, Kha district Looi mine...mine, Kha district Notes Natural state as found Blue-coloured after initial heating Bleached white after...Tek mine, Kha district Finest. Only white after initial heating 6 7 Various, Champasak district Various |  | | Report (issue) | | hematite is from the Wessels Mine near Hotazel in northern Cape Province, South Africa. Dan Carlson specimen;...Cover: Grossular on diopside; 7.1 cm tall Jeffrey Mine, Asbestos, Richmond County, Quebec, Canada Paul...honor system in documenting lab work could prove 2 disadvantageous to those individuals electing to...Spessartine from Tongbei BY BERTOLD OTTENS 70 Pakistan and Afghanistan: Garnet from the Roof of the World...solution components. Ferrous and ferric iron impart 2+ · 3+ red/brown, Mn imparts orange, Mn (the chromophore |  | Giuliani, G., France-Lanord, C., Zimmermann, J. L., Cheilletz, A., Arboleda, C., Charoy, B., Coget, P., Fontan, F., Giard, D. (1997) Fluid Composition, δD of Channel H2O, and δ18O of Lattice Oxygen in Beryls: Genetic Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits. International Geology Review, 39 (5) 400-424 doi:10.1080/00206819709465280 | Journal (article/letter/editorial) | | Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits a b b G. Giuliani , C. France-Lanord...Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits, International Geology Review, 39:5, 400-424...rights reserved. Fluid Composition, δD of Channel H 2 O, and δ18O of Lattice Oxygen in Beryls: Genetic Implications...Brazilian, Colombian, and Afghanistani Emerald Deposits 1 G. GIULIANI, 2 Institut Français de la Recherche...fluid c o m p o s i t i o n , δD of c h a n n e l H 2 O , a n d δ18O of l a t t i c e o x y g e n have b |  | | Journal (article/letter/editorial) | | 49.5.1189 Al-RICH CHROMIUM-DRAVITE FROM THE #1 MINE, BALMAT, ST. LAWRENCE COUNTY, NEW YORK Marian V...talc – tremolite – cummingtonite schist at the #1 mine at Balmat in the Adirondack Lowlands, St. Lawrence...l’assemblage talc – trémolite – cummingtonite à la mine #1 à Balmat, Basse-Terres des Adirondack, comté...from the chromite deposits of Nausahi, Keonjhar District, Orissa, India (proposal approved, IMA#2009–088)...cummingtonite schists from the #1 mine (American 1190 the canadian mineralogist mine), St. Lawrence County, |  | | Book | | EMERALD and OTHER BERYLS by JOHN SINKANKAS This is Beryls jewelers, gists, geologists, earth ...sciences, yet eminently facet and widely a Emerald historians, gemological Sinkankas, the permanent...metal beryllium. with Beginning author traces emerald—from its less ite, role of history’s pendix...Unmatched third is knowledge from author one emerald cutting and of exotic composition, physical...mineralogical once events. languages for beryl emerald logical to and part, Sinkankas explores and |  | | Book (edition) | | Congress Catalog Card Number: 86-26759 ISBN: 0-442-20833-2 All rights reserved. No part of this work covered...QE392.A69 1987 ISBN 0-442-20833-2 I. Title. 553.8 '03 '21 86-26759 3 2 inspira- consider myself fortunate...Book / Is The Nature Gems of GEM SECTION 1 2 GEMSTONES FROM THE LABORATORY 3 4 / History Crystal... durable, and beautiful gems. Synthetic ruby, emerald, and sapphire have become important marketplace...perfection can be a real liability in the case of emerald and gems. That origin of a is, corundum small |  | | Journal (issue) | | Diamond Coloured by H4 Centres | A Quartz ‘Soudé Emerald’ | Synthetic Rock Crystal Clusters on the Chinese...about lab-grown diamonds, up from only 58% in 2018; (2) many diamond retailers report that up to 50% of customers...webinars cover: (1) the state of the diamond market, (2) creating shared value in the future and (3) ‘Telling...and a representative spectrum is provided in Figure 2. Although the anisotropy of the material significantly...specimen. Photo by T. Cathelineau. GEM NOTES Figure 2: The IR reflectance spectrum of celestine is characterised |  | | Journal (issue) | | Characteristics of Blue to Yellow Beryl History of the Chivor Mine, Part I EDITORIAL 1 Spring 2020 VOLUME 56, No... the Chivor Emerald Mine’s History, and Swiss Rhodonite… Duncan Pay FEATURE ARTICLES 2 A Quantitative...yellow beryl. p. 35 66 History of the Chivor Emerald Mine, Part I (1880–1925): From Rediscovery to Early...Ortiz Chronicles developments at the Chivor emerald mine in Colombia between 1880 and 1925, based on...attractive rhodonite-rich rocks from this Swiss deposit. p. 92 REGULAR FEATURES p. 143 29 The Dr. Edward |  | | Journal (issue) | | 9Lustrafian Jouma[ of :Jvfinerafogy INDEX TO VOLUMES1&2 Compiled by Judy Rowe Legend: a d f w Mineral...Stewart Mine Leadville, NSW. England, B.M. 1�):9-11 Definition o·f a mineral. Nickel, E. 1(2):25-26 The...Francis Collection. Pring, A. 2(1):21-24 Heulandite from the Illawarra District, NSW. Carr, P., Perkins,...Middleton, R. 2(2):71-75 Mineral names applied to synthetic substances. Nickel, E. 1(2):27 Minerals from...t� Spring Creek Mine, near Wilmington, South Australia. Beyer, B. and Elliott, P. 2(2):57-70 The minerals |  | | Journal (issue) | | 4 Cover 1 Cinnabar, calcite. 4x З cm. Toltgin deposit, Guizhou Prov., Chinn. Fersman Mineralogical Museum...Jones one of Fax 5 0 5 - 7 8 2 - 5 5 5 4 (USA) voice 5 0 5 - 7 8 2 - 5 5 5 5 mail: B o x 1115, Zuni...luminescence decay less than 10.2sec and from 10-2 to 0.5 seс, respectively). The photoluminescence induced...inclusions. СgophоtolиmiпеsceRе (77К). Liaonin Province, China. Specimen: Yana Baa. (right) Photoluminescence...calcite; crystal aggregates 15 cm in size. Vеrklinii Mine, Dabugorsk, Pпmorskii Krai, Russia. Specimen: V |  | | Journal (issue) | | Articles Topaz from near El Chaltén, Santa Cruz Province, Argentina. . . . . . . . . . . . ... . . . . . . . . . . . . . . . . 2 by Gail P. Spann Notes from the Editors: . Texas...cm (4 inches), from the Morro da Mina manganese mine, Conselheiro Lafaiete, Minas Gerais, Brazil. Probably...See the article on this occurrence in vol. 39, no. 2. Daniel Trinchillo specimen, now in the Stuart Wilensky...No, minerals do not go well with sanitary at all. (2) Minerals in the Bathroom Do not wash your minerals |  | | Journal (issue) | | SUMMER 2011 2 0 1 1 PAGES 79 –180 VOLUME 47 Advancing the Science and Business of Gems NO. 2 PROCEEDINGS... Far left: On display during Symposium was an emerald cross and rosary from the Nuestra Señora de Atocha...SUMMER 2011 87 PHOTOMONTAGE Right: Pala Chief mine owner Bob Dawson (blue shirt) shows the former location...location of large gem pocket. Below: An 88.4 g emerald crystal from Coscuez, Colombia; courtesy of Gene...Gene Meieran. FIELD TRIPS Above: Stewart mine owner Blue Sheppard ( far left) takes guests underground; |  | | Journal (issue) | | Articles The 100-year history of the Benitoite Gem mine, San Benito County, California . . . . . . . . .... . . . . . . . . . . . . . . . . . . . . . . . .2 Obituary—Joseph A. Mandarino . . . . . . . . . . ...known as “the Wreath,” 6 cm, from the Benitoite Gem mine, San Benito County, California. Natural History...Benitoite Gem mine will note the portion of the story devoted to the 1935 visit to the mine by collecting...the task of creating a huge, scholarly database of 2 information on authors of mineralogical works, from |  | | Report (issue) | | . . . # . WHERE TO COLLECT f ... f ... . . 1 2 3 5 THE MINERAL LOCALITIES OF NORTH CAROLINA BY COUNTIES....... 5 ALEXANDER COUNTY ................. 7 Emerald, Hiddenite and Associated Minerals f , 7 Rutile... CLAY COUNTY 22 Corundum Rutil6 . . 22 . 2£ Garnet 24 Staurolite CLEVELAND COUNTY. 24. ....Actinolite. 0 , f # Minerals of the Hamme-Tungsten District . Amethyst Kyanite 0 \ \ . .."..... . Beryl...82 ILLUSTRATIONS i." PLATES Plate No. 1. Emerald and Hiddenite Crystals - Alexander County .... |  | | Journal (issue) | | BRITAIN SAINT DUNSTAN'S HOUSE, CAREY LONDON, E.C.2 LANE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN...Offices: Saint Dunstan's House, Carey Lane, London, E.C.2 Telephone: MONarcb 5025/26 AfliIiated Association:...N o . 7 JULY 1962 THREE-PHASE INCLUSIONS IN EMERALD, AQUAMARINE AND TOPAZ By W. F. EPPLER T H R E...which indicate the direction of the c-axis of the emerald crystal (Fig. 1). This kind of inclusion is originated...three-phase inclusion in emerald is found parallel to the basal plane of the host crystal (Fig. 2). They also develop |  | | Journal (issue) | | Thirty-four, Number Four Articles The El Desierto sulfur mine, Potosí, Bolivia . . . . . . . . . . . . . . . ...minerals of the Mazarrón-Águilas mining district, Murcia Province, Spain . . . . . . . . . . . . . . . ...Famous mineral localities: The Pacajake selenium mine, Potosí, Bolivia . . . . . . . . . . . . . . . ...and albite, from the Shigar Valley, Baltistan, Pakistan. Sandor Fuss collection; Jeff Scovil photo. Visit...Jacupiranga mine; somehow he had learned of my mineralogical researches at that deposit. He told me about |  | Zachariáš, J., Žáček, V., Pudilová, M., Machovič, V. (2005) Fluid inclusions and stable isotope study of quartz-tourmaline veins associated with beryl and emerald mineralization, Kafubu area, Zambia. Chemical Geology, 223 (1) 136-152 doi:10.1016/j.chemgeo.2004.12.023 | Journal (article/letter/editorial) | | quartz-tourmaline veins associated with beryl and emerald mineralization, Kafubu area, Zambia J. Zachariáš...Charles University in Prague, Albertov 6, 128 43 Praha 2, Czech Republic b Czech Geological Survey, P.O. BOX...Republic Accepted 16 May 2005 Abstract The Kafubu Emerald Area in Zambia is an important producer of gemstone-quality...mostly by metasomatic phlogopite-rich zones (max. 2 m wide) that rim numerous pegmatite dykes and epigenetic...reserved. Keywords: Quartz; Tourmaline; Beryl; Emerald; Oxygen isotopes; Fluid inclusions; Kafubu; Zambia |  | | Book | | MALAWI Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...earthy rosettes of tabular "illite" pseudocrystals to 2 cm which are pseudomorphs after bastnasite--see photo...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...rosettes of metallic black ilmenite exceptionally reach 2 cm (Horvath and Gault, 1990), and a beautiful specimen |  | | Show/Event (guide) | | Contributed Papers Minerals of China by Berthold Ottens 6 2 5 Arthur Kingsbury: A Case of Falsified British...A. Gault, and B.J. Flyer. 2:00 T h e Red Lake mine—the richest gold mine in the world, right here in...in Ontario by D. K Joyce. 2:15 D i o p s i d e from the Atwater quarry area, Westfield, MA by W Shelton...Shelton, G. W. Robinson, D. Burgess, and D. Levine. 2:30 R e d u c e d silicon, iron and other unusual species...Farmington, Connecticut by A A. Sheffer and B. M. Jarnot. 2:45 N b - T a - T i oxide minerals from two pegmatites |  | | Journal (issue) | | Specimen:A.M. Skrigitil'. Photo: M. Leybov Cover 2. Beryl. Mokrusha, Murzjnka, Middle Urals. Specimen:...called such phenomena crystallographic anomalies [2]. Long before this R. Hauy, observing the fantastic...specimens **- St.-Petersburg Mining Museum specimens 2 W o r l d of Stones. Ng 1 I /96 an individual and...exceed "normal" formations in their attractiveness. 2. PATHOLOGY AND ADAPTATION Having determined what pathology...toflat facet); c - development of apex skeleton. Fig. 2. Relationship between supersaturation and critical |
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