 | | Journal (issue) | | Foote also made several collecting visits to the mine in 1890-1891, and brought back many good specimens...chemist and physicist). In 1895 Niven purchased the mine from its owner, on behalf of Thomas Edison. In the...dozen mines were opened, one of which (the Mariposa mine) produced a wider variety of mercury minerals than...Morgenstern photo. Calcite, 5.8 cm, from the Mariposa mine, Terlingua; Roh Lavinsky (The Arkenstone) specimen...Calomel crystals on terlinguaite, 3 mm, Mariposa mine, Terlingua. Celestine, 4.5 cm, Burnet, Burnet County; |  | Dachs, E., Geiger, C. A., Benisek, A., Grevel, K.-D. (2012) Grossular: A crystal-chemical, calorimetric, and thermodynamic study. American Mineralogist, 97 (8) 1299-1313 doi:10.2138/am.2012.4047 | Journal (article/letter/editorial) | | thermodynamically. The calculations yield best‑fit val‑ ues of ∆fH° = –6627.0 kJ/mol and S° = 258.8 J/(mol⋅K)...garnets from the well‑known Jeffrey mine locality of Asbestos, Quebec, Canada (Allen and Buseck 1988; Rossman...standards used for the synthetic samples were corundum for Al, wollastonite for Ca and Si, and a natural...(Gr‑)82‑112 Jeffrey Mine, Asbestos, Quebec Natural Gr (Hessonite); CMNMC (Gr‑)44091 Jeffrey Mine, Asbestos...reference run using a synthetic single crystal of corundum (31.764 mg). Its heat-capacity values were taken |  | | Journal (issue) | | of minute cavities similar to those seen in gem-corundum'. Recently the authors have examined a small tabular..., 1983, XVIII, 6 FIG. 4. Sorting apparatus at mine location. (Photo by Laura J. Ramsey) The colour-distribution...produced some years ago by heating Brazil's Montezuma Mine stones. (We proposed the name 'peridine' for this...COLLOPHANE By J.-P. POIROT Service Public du Contrôle des Diamants, Perles Fines et Pierres Précieuses, Paris...BIBLIOGRAPHY Bariand, P., Cesbron, F. and Geffroy, J. 1978 Les Minéraux, leurs gisements, leurs associations, vol |  | | Journal (issue) | | with ilmenite inclusions and sapphires from other sources housing hexagonal haematite flakes, will at least...the guest minerals is less than that of the host corundum, the former simply melt and assume 704 J.Gemm...REFERENCES Abraham, S. D. (1982) Heat treating corundum: the Bangkok operation. Gems Gemot., XVIII, 2...Poirot, J. (1980) A propos du traitement thermique des Gemmes. Z.Dt.Gemmol.Ges., 29,/2, 58-61. Sasaki, E...Verlag, Vienna, 1928.) Webster, R. Gems, Their Sources, Descriptions and Identification, 3rd edn, Newnes-Butterworths |  | | | | in the field ~“ Various geological locations iin Canada© Physical properties of minerals and rocks, and...surrounded ce ne white calcite, from!iheBluebell Mine; Riondel, Digitized by the Internet Archive...Fitzhenry & Whiteside acknowledges with thanks the Canada Council for the Arts, and the Ontario Arts Council...acknowledge the financial support of the Government of Canada through the Book Publishing Industry Development... Canada Council for the Arts Conseil des Arts du Canada vw ONTARIO ARTS COUNCIL CONSEIL DES ARTS |  | | Journal (article/letter/editorial) | | 2016-013 Gadolinite-(Nd) Nd2Fe2+Be2O2(SiO4)2 Malmkärra mine, ca. 2.5 km WSW of Norberg, Sweden (60°4′N, 15°51′E)...Ca19Al(Al10Mg2)Si18O69(OH)9 Jeffrey mine, Asbestos, Estrie Region, Québec, Canada (45°46′11″N, 71°56′60″W)...2016-017 Chinleite-(Y) NaY(SO4)2·H2O Blue Lizard Mine, Red Canyon, White Canyon District, San Juan Co...Zincostrunzite ZnFe3+ 2 (PO4)2(OH)2·6.5H2O Sitio do Castelo mine, Folgosinho, Gouveia, Guarda District, Portugal...NOMENCLATURE MODIFICATIONS APPROVED IN 2016 Kitteln mine, Nordmark ore district, Filipstad, Värmland, Sweden |  | | Journal (issue) | | XVIII, 2 GROSSULAR GARNET FROM THE JEFFREY MINE, ASBESTOS, QUEBEC, CANADA By WILLOW WIGHT, B.A., F.G.A.,...Museums of Canada, Mineral Sciences Division, Ottawa, Ontario, K1A OM8, Canada The Jeffrey Mine is the second... Located about 160 km east of Montreal, the Jeffrey Mine has been producing since 1881. Now owned by...commonly found on granitic rocks that intrude the Jeffrey Mine ore body. The grossular varies from colourless...FIG. 1. Grossular garnet from the Jeffrey Mine, Asbestos, Quebec, Canada. Hessonite (NMNS #20206) 8.5 ct |  | | Book | | © 2011 Royal Ontario Museum, Toronto, Ontario, Canada. All rights reserved. No part of this publication...Cataloging-in-Publication Data (U.S.) Library and Archives Canada Cataloguing in Publication Tait, Kimberly. Tait...States by Firefly Books (U.S.) Inc. Published in Canada by Firefly Books Ltd. PO. Box 1338, Ellicott Station...at the Royal Ontario Museum, Toronto, Ontario, Canada. Photography: Brian Boyle, MPA, FPPO, and Miguel...publishing program by the Government of Canada through the Canada Book Fund as administered by the Department |  | | Journal (issue) | | this Austrian manufacturer succeeded in giving a corundum skin to ruby and sapphire seeds. The initial trials...carried out so far only on Verneuil synthetic corundum seeds. The technique is still in the experimental...The coating is done on all coloured varieties of corundum made by the flame fusion method (Figure 2). The...with the typical inclusions of Verneuil synthetic corundum. However, if natural seeds are involved, the gemmologist...through the transmitted system, especially in corundum gems where the refractive indices of the host |  | | Journal (issue) | | Groat, University of British Columbia, Vancouver, Canada; Thomas Hainschwang, GGTL Laboratories, Balzers...Pezzotta, Natural History Museum of Milan, Italy; Jeffrey E. Post, Smithsonian Institution, Washington DC...(ProQuest), Scopus and the Thomson Reuters’ Emerging Sources Citation Index (in the Web of Science). Copyright... synthetic and treated), spinel, What’s New corundum, alexandrite, tanzanite, zircon, Imperial topaz...100 × 65 mm and operates on a variety of power sources, including battery, making it readily portable |  | | Report (issue) | | MINERALS FOR THE COLLECTOR Geological Survey of Canada Miscellaneous Report 48 Ottawa to North Bay and...Natural Resources Canada Ressources naturelles Canada Geological Survey of Canada Miscellaneous Report...Queen in Right of Canada 2007 Catalogue No. M41-8/48E ISBN 0-660-19556-9 Available in Canada from the Geological...Geological Survey of Canada Bookstore (see inside front cover for details) A copy of this publication is...available for reference by depository libraries across Canada through access to the Depository Services Program's |  | | Journal (issue) | | 812-21. Game, P. M. (1954) Zoisite-amphibolite with corundum from Tanganyika. Min. Mag., 30, 458-66. Hurlbut...Silikaten und Oxiden—ein Beitrag zur Kristallchemie des Vanadiums, Dissertation, Heidelberg, 1978. Schmetzer...et al. was said to have originated in the Wessel mine near Hotazel by Karuman, N. Cape Province, S. Africa...1979, XVI, 8 Irrem, Tap Rom and Bang Kaja are sources of sapphire near Chantaburi. I understand Bang...of these new refractometers use infrared light sources, while others measure the relative reflectivity |  | | Report (issue) | | cm tall andradite on hematite is from the Wessels Mine near Hotazel in northern Cape Province, South Africa...diopside; 7.1 cm tall Jeffrey Mine, Asbestos, Richmond County, Quebec, Canada Paul Stahl specimen Jeff...and laser rods (page 80); photo Lothar Ackerman Jeffrey and Lac d'Amiante: Two of Quebec's Great Gamet-Bearing...defects in the crystal structure are frequently sources of color in minerals. But color is imparted to...Spessartine, schorl, and a/bite from the Little Three Mine in San Diego County, California; 6. 6 cm tall; Bryant |  | | Journal (issue) | | Spinel ‘Star of David’ Pattern and Macrosteps on Corundum Crystals Fluorcarletonite, a New Gem Material...Groat University of British Columbia, Vancouver, Canada Thomas Hainschwang GGTL Laboratories, Balzers,...Panczer Claude Bernard University Lyon 1, France Jeffrey E. Post Smithsonian Institution, Washington DC...Mineração Peneri and is adjacent to the Nego Velho mine on the east that is famous for producing large quantities...202 2 includes the currently active São Geraldo mine; (4) the Délio Braz section, which parallels the |  | | Journal (issue) | | Ann Arbor, Ml Andrew C. Roberts Geol. Surv. of Canada Ottawa George W. Robinson Seaman Mineral Museum...Zaragoza, Spain Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix, AZ. Pierre-Nicolas Schwab Orleans...Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ. Harold and Erica Van Pelt...109 by U. Burchard Recent discoveries at the Jeffrey mine, Asbestos, Quebec . .. ................. . ...Diamond-hard, scratches an iron file (Examples: diamond, corundum) 2. Quartz-hard, can be filed with difficulty |  | | Journal (issue) | | (Publishers) Ltd., London. Gems,Their TheirSources, Sources,Descriptions Descriptionsand and IdentiWebster...large rubellite crystals were found in the pegmatite mine at Sakangyi. Furthermore, Bauer (Spencer transi...information, and general accuracy. Its first edition, Les six Voyages, etc., appeared in Paris in 1676. Tavernier...beforehand in the 1665 edition of Chappuzeau's Histoire des Joy eaux, which, however, is said to be a pirating...alluvial gemstone than the ruby or sapphire. The corundum crystals of these gravels commonly display small |  | | Journal (issue) | | Notes Large kunzite from Brazil| Marble-hosted ruby mine, Mogok, Myanmar|Secondary gem deposit in Mogok,...Groat, University of British Columbia, Vancouver, Canada; Thomas Hainschwang, GGTL Gemlab–Gemtechlab Laboratory...Pezzotta, Natural History Museum of Milan, Italy; Jeffrey E. Post, Smithsonian Institution, Washington DC...update on a synthetic ruby overgrowth on natural corundum. The properties of the 1.84 ct gem showed that...and dispersion, and has a hardness greater than corundum; it is typically fashioned in shapes popular for |  | | Report (issue) | | famously, been the source of the world’s finest ruby corundum crystals, as well as of fine gemmy crystals of...== Elbaite “mushroom,” 4 cm, from the Palelni mine, Molo village, Momeik Township, Kyaukme District...==== of the rare brochantite of the Los Azules mine in Chile: spherical tufts of emerald-green fibrous...matrix. Brochantite, 4.8 cm, from the Los Azules mine, Quebrada San Miguel, Copiapo Province, Atacama...Diopside on Grossular, 2.7 cm, from Alpe Della Frasse, Val di Susa, Piedmont, Italy. Luis Burillo Minerals specimen |  | Cook, Robert B. (2020) Minerals of the Grenville Province—New York, Ontario, and Québec by George W. Robinson, Jeffrey Chiarenzelli, Michael Bainbridge, and T. Scott Ercit. Schiffer Publishing, 4880 Lower Valley Rd., Atglen, PA 19310; www.schifferbooks.com. 208 pages; 2019; $34.99 plus shipping and handling (softbound). Rocks & Minerals, 95 (1) 96-98 doi:10.1080/00357529.2020.1683698 | Journal (article/letter/editorial) | | University, 859 Sherbrooke St. West, Montreal, Québec H3A 0C4, Canada; to order redpath. museum@mcgill.ca. 96...the campus of McGill University in Montreal, Québec, Canada. It is a companion volume to that reviewed...outlines the distinctive geologic provinces making up Québec, setting the stage for the following sections that...Province—New York, Ontario, and Québec by George W. Robinson, Jeffrey Chiarenzelli, Michael Bainbridge...Particularly nice treatments are given to albite, corundum, fluorapatite, titanite, tremolite, and zircon |  | | Journal (issue) | | Ann Arbor, MI Andrew C. Roberts Geol. Surv. of Canada Ottawa George W. Robinson Seaman Mineral Museum...Zaragoza, Spain Joe Polityka Staten Island, NY Jeffrey A. Scovil Phoenix, AZ Pierre-Nicolas Schwab Orléans...Germany Eric Offermann Arlesheim, Switzerland Jeffrey A. Scovil Phoenix, AZ Harold and Erica Van Pelt...and CUPRITE in CALCITE, 5.2 cm, from the Onganja mine near Seeis, Namibia. Mike Bergmann specimen, now...were saved, collected and traded by Bisbee miners, mine executives, shop owners, and businessmen. One such |  | | Journal (article/letter/editorial) | | from Canada Downloaded by [Florida International University] at 19:52 23 August 2013 C anada is home...from emerald to sapphire, Canada has it all. Yet, for most of its history, Canada has been regarded as a...species have been found at one time or another in Canada (fig. 1). Some gem localities, such as those for...S. WILSON PO Box 352 Kingston, Ontario K7L 4W2 Canada brad@alpinegems.ca 96*2: 405,9(3: The...the emerging diamond mining industry has turned Canada into a gemproducing giant. Possibly encouraged |  | | Journal (issue) | | M. Hazen The best grossular garnets from the Jeffrey mine, Asbestos, Quebec ........ ...................Postscript: Hematite and rutile from Mount Cervandone, Val Devero, Ossola, Italy .................. ..........pale green diopside on syenite matrix from the Jeffrey quarry, Asbestos, Quebec. Collected by miner Bruno...1972, and considered to be the finest known Jeffrey mine grossular specimen. Marco Amabili collection;...along the way, Tom had also been accessing other sources and books from the 3,200-volume Mineralogical Record |  | | Journal (issue) | | Groat, University of British Columbia, Vancouver, Canada; Thomas Hainschwang, GGTL Laboratories, Balzers...Pezzotta, Natural History Museum of Milan, Italy; Jeffrey E. Post, Smithsonian Institution, Washington DC...ProQuest, Scopus and the Thomson Reuters’ Emerging Sources Citation Index (in the Web of Science). THE GEMMOLOGICAL...p. 400). Clinohumite from Vietnam The Cổng Trời mine in northern Vietnam is a wellknown producer of various...mid-1990s, but since the late 2000s facet-grade gem corundum has become rare (Huong et al., 2012). This is |  | | Journal (issue) | | is initially used to divide the incoming "run-of-mine" shipments of diamonds into two groups called smalls...the Novello Prospect a n d the abandoned Twin Star Mine, both of which are located about 17 km N W . of...located some 6 km north of the famous Bikita lithium mine about 80 km east of Fort Victoria. Details of the...Shamvaian age (2,650 m. years). T h e Twin Star mine is only 6 or 7 km distant from the Novello Prospect...about 90 km eastward, near the Bikita pegmatite mine. Novello Prospect : T h e discovery of emerald and |  | | Book (volume) | | cushion cut rhodochrosite (25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern...promising diamond fields being vigorously explored in Canada and the United States. Experts agree that in several...diamond-bearing kimberlite bodies, most likely in Canada. Systematic large-scale mining of sapphire-bearing...rough crystals appear with some regularity from sources in Myanmar (Burma) and Pakistan. In addition to...be based is largely available from government sources in the form of detailed area reports and corresponding |
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