 | | Journal (article/letter/editorial) | | edu GROSSULAR Jeffrey Mine, Asbestos, Les Sources Municipalité Régional de Comté Estrie, Québec, Canada...Figure 1. Grossular, 7 × 8 cm, from the Jeffrey mine, Asbestos, Les Sources Municipalité, Régional de Comté...Comté, Estrie, Québec, Canada. The stepped-growth modification of grossular dodecahedra is commonly observed...devoted to grossular, a personal favorite. The chemical formula of grossular is Ca3Al2Si3O12. Grossular is an...crystal faces may be striated. Other habits of grossular include massive, compact, or granular. Visitors |  | | Journal (article/letter/editorial) | | University of Ottawa, Ottawa, Ontario K1N 6N5, Canada ABSTRACT Three small (~1 km) bodies of gneissic...massifs (~1 km) de syénite à biotite gneissique (la syénite de Stag) et un plus gros (~2 km) de syénite néphélinique...gneissique (la syénite néphélinique de Cawood) sont situés à 60 km au nord-ouest dʼOttawa, dans la Ceinture...du Grenville du Québec), partie du Bouclier Canadien, dʼâge précambrien. La syénite de Stag contient lʼassemblage...éléments traces) se rapproche de la moyenne dʼune syénite terrestre. La syénite néphélinique contient |  | | Report (issue) | | Cerro de Pasco, Pasco Department, Peru. Gratonite, 2.2 cm, from the Excelsior mine, Cerro de Pasco,...photo. Wollastonite, 3.1 cm, from Wakefield, Outaouais, Quebec, Canada. David K. Joyce Minerals specimen...new finds from Canada. This time it’s wollastonite crystals from Wakefield, Outaouais, Quebec, as a handful...dioptase; Pakistan elbaite and spessartine; stunning grossular and magentacolored vesuvianite from the Jeffrey |  | | Journal (article/letter/editorial) | | syenites and marbles at Stephen Cross Quarry, Quebec, Canada: petrological and stable isotope data * Ian Cartwright...Sciences,University of Waterloo, Ontario, N2L 3G1, Canada Received January 14, 1992/ Accepted October 23...metasomatism associated with the intrusion of the Wakefield syenite at ambient pressures of ~0.4GPa at 1090-1070Ma...marbles in the Stephen Cross area away from the Wakefield syenite, and are similar to temperatures recorded...dioritic K-rich alkaline plutons, which include the Wakefield Batholith at Stephen Cross Quarry, were intruded |  | | Journal (issue) | | BIBLIOGRAPHY Bariand, P., Cesbron, F. and Geffroy, J. 1978 Les Minéraux, leurs gisements, leurs associations, vol...Salininha Brazil, Carnaiba Brazil, Santa Terezinha de Goiaz Brazil, Minas Gérais Brazil, Minas Gerais Colombia...G = Brazil, Carnaiba LL = Brazil, Santa Terezinha de Goiaz Le = Brazil, Minas Gérais CV = Colombia, Chivor...specimen from Lechleitner contained platinum. Lanthanum (La) and Gold (Au) Lanthanum and gold have been found...] 544 J.Gemm., 1983, XVIII, 6 GEMSTONES OF CANADA By WARREN F. BOYD, B.Sc., F.G.A. Canadian Gemmological |  | | 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) | | compared with the analyses of typical spessartine, grossular a n d pyrope garnets (see Deer, Howie & Zussman...considered to be a pyrope-spessartine with subordinate grossular and smaller amounts of an iron-bearing garnet...MnO MgO CaO H2O>105°C H2O<105°C ZnO CuO NiO CoO (la) 40-3 0-05 21-8 n.d. 0-75 — (lb) 40-3 0-05 21-8...END-MEMBERS Pyrope Spessartine Almandine Andradite Grossular Uvarovite Ca 3 V 2 Si 3 Oi 2 46-5 37-3 2-4 —...1957). Anal. C. O. Hutton. 3. Reddish yellow grossular, in crystalline limestone, Liconi, Val d'Aosta |  | | Journal (article/letter/editorial) | | nominally anhydrous, calcium-silicate garnets, grossular (Ca 3Al 2Si 3O 12), andradite 4+ 3+ (Ca3Fe3+ 2...first time. End-member synthetic and natural grossular crystals can show similar OH- “band patterns,”...in metamorphic grossulars from Asbestos, Quebec, Canada. IR absorption coefficients for H2O held in hydrogrossularand...hydrogarnet clusters at 1 atm. Keywords: Andradite, grossular, schorlomite, nominally anhydrous minerals, hydrogarnet...can be found in the nominally anhydrous garnets grossular, andradite, and their solid solutions. The discussion |  | | Catalog/List | | colourful Halite MINERALS 047 BASTNAESITE Ce La CO/3 F Rich distribution of tiny brown grains in...rock £2.50 (Rudabanya Hungary) 248 GADOLINITE (Ce La Nd Y) Fe Be Silicate.2mm to 3mm brown crystal section...half x half ins £3.50 407 TADZHIKITE Ce Ca (Ce Nd La) (Ti Al Fe) B SiO vitreous brownish micro plates...individual black octahderal crystal (Oka Quebec, Canada) 3 to 4mm £4 360 SORENSENITE Na Sn Be Silicate...visible silvery areas in matrix with Tellurite. (La Bambolla Mine Moctezuma, Sonora Mexico) lxl £10 14 |  | | Journal (article/letter/editorial) | | (No. 5) Bearss, G., The Weeks Pegmatite Mine, Wakefield, Carroll County, New Hamp441-512 Nov./Dec. (No...Labuntsovite, Mont SaintState, 330-334 Hilaire, Quebec, Canada; Dan Behnke Beryllium, Cerium, and Yttrium Mineralizaspecimen...Creek, Yukon Whittemore, B. Janules, 45 Territory, Canada; William Pinch specimen at Canadian Museum of Nature... 44 Groben, M., see Collections and Displays Grossular, Washington, 483 Gypsum, Washington, 229 Hanahan...of the Hobby, 162; Famous Mineral Localities of Canada, 67; Gems & Crystals from the American Museum of |  | | Journal (article/letter/editorial) | | some grossular garnets with H2O contents less than 0.5%. Many colorless to near-colorless grossular garnets...spessartine-almandine series (Rossman et al. 1988), for grossular (Rossman and Aines 1991), and for pyrope (Bell...suite of grossular samples used by Rossman and Aines (1991) in their study of OH in grossular, and the...0003-004X/02/0203–307$05.00 307 Sample description Forty-one grossular and ten spessartine-almandine garnets with OH...spectroscopy were analyzed for this study. The grossular garnets range from colorless to green to brown-orange |  | | Journal (article/letter/editorial) | | microprobe analyses of vesuvianite wt. % Leural" Wakefield" Sudan" Bancroft b Thetford ~ Salinas d 32A...FeZ+(B)=0.24, FeZ+(8-fold)=0.04, Fe2+(A)=0.05; Wakefield: Fe3+(A1Fe)=0.22, FeZ+(A1Fe) = 0.54, Fe2+(B)=0...samples is vesuvianite + wollastonite + diopside + grossular _+ calcite _+ quartz _+ sphene. Individual crystals...cation substitutions: ~Oo ~ + .m + 3- ~176 \o la. Constant Substitution Mg, A1, Mg, Mg, Fe, Ti...polyhedron may be lost: H + + A1MFe 3+ = T1AIFe. .4+ (la) This substitution has also been recognized in tourmaline |  | | Journal (article/letter/editorial) | | 164, l99l The hydrous components in garnets: Grossular-hydrogrossular Gnoncr R. RossrrlN, Rocnn D. Arxts*...Pasadena,California 9 I 125, U.S.A. Ansrucr Grossular garnets from 33 localities were examined for indications...have been identified in the spectra of common grossular,occurring in groups of four to ten bands. Both...grossulartypically contains less than 0.3 wto/oHrO. Grossular from rodingites and low-temperature alteration...content of common, macroscopic garnets of the grossular com- position. Becausethe hydrogarnet substitution |  | | Journal (issue) | | Spessartite Garnet Green Garnet Pale Green Grossularite Grossular Orange-reddish-browri Hessonite Incorrect Descriptions...propose to describe in some detail those gems of Canada which may be of interest to gemmologists and collectors...of Geology and Topography and National Museum of Canada, who has given generous co-operation in the provision...mineral in the world. Several splendid twins from Canada are in the British Museum collection, and one of...gems. SPHENE.—The huge crystals of sphene found in Canada also have a world-wide reputation, not only for |  | | Journal (article/letter/editorial) | | for.mula Ca,Cr,(SiO,),. It forms a series with grossular, a fact reflected in the common occurrence of...Orford, the Orford nickel mine, or Magog, Quebec, Canada, have been available sporadically since as early...chromian grossular. Similar material has been reported from other Quebec localities including Wakefield and...A. Gault. 1994. The Orford nickel mine, Quebec, Canada. Mineralogical Record 25327-45. Von Knomng, 0. |  | | Journal (article/letter/editorial) | | (pomegranate) for the red color of its seeds. Grossular, also based on the Latin, is from Peter J. Modreski...the pale green color of the berry and of some grossular; but this name is actually predated in use by...now considered just a varietal term for orange grossular. Hessonite takes its meaning from the Greek ‘inferior’-meaning...mineralogist; and uvarovite is after Count s. s. Uvarov. Grossular and spessartine were formerly sometimes spelled...Connecticut (grossular), and Idaho (star garnet); and the state mineral of Connecticut. Garnet (grossular, variety |  | | Report (issue) | | COLLECTOR Geological Survey of Canada Miscellaneous Report 58 Îles de la Madeleine, Quebec, the Island...Survey of Canada Miscellaneous Report 58 ROCKS AND MINERALS FOR THE COLLECTOR Îles de la Madeleine,...in Right of Canada, 2003 Catalogue No. M41-8/58E ISBN 0-660-18932-1 Available in Canada from Geological...Geological Survey of Canada offices: 601 Booth Street Ottawa, Ontario K1A 0E8 3303-33rd Street N.W. Calgary...for reference in selected public libraries across Canada Cette publication est aussi disponible en français |  | | 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 |  | | Catalog/List | | Te 0/2 good yellow crusts and coatings on matrix.(La Bambolla, Moctezuma Mexico) 1x1 £3.50 H ins possible...Gobi Desert. Mongolia) IxJi £3 248 GADOLINITE (Ce La Nd Y) Fe Be Silicate.2mm to 3mm brown crystal section...coloured masses (Tanco Mine, Bernie Lake, Manitoba, Canada) lx2ins £4 2x2ins £8 2x3 £12 447 NATIVE SILVER...individual black octahderal crystal (Oka Quebec, Canada) 3 to 4mm £4 347 NATIVE SILVER fresh silvery small...visible silvery areas in matrix with Tellurite. (La Bambolla Mine Moctezuma, Sonora Mexico) 1x1 £10 H |  | | Journal (article/letter/editorial) | | interesting to many people. It is reproduced here. CANADA Ontario Quartz An anonymous collector provided...farringtonite gentnerite graftonite graphite grossular gypsum haxonite heazlewoodite hercynite hibonite...form Orford (fourteen dif ferent specimens), Wakefield township, Brompton Lake, Thetford Mines, Magog...quarry, Asbestos were all found to be chromian grossular and not uvarovite. Many specimens had chromite...tiny, bronzy crystals associated with chromian grossular and chromite. The crystals are apparently etched |  | Richardson, Stephen V., Kesler, Stephen E., Essene, Eric J., Jones, Lois M. (1986) Origin and geochemistry of the Chapada Cu-Au deposit, Goias, Brazil; a metamorphosed wall-rock porphyry copper deposit. Economic Geology, 81 (8) 1884-1898 doi:10.2113/gsecongeo.81.8.1884 | Journal (article/letter/editorial) | | been previouslyassumed(Hollisteret al., 1974; Wakefield, blurredby hydrothermalalteration,deformation...in the Chapadaregion have been designatedthe Pilar de GoiasGroup and are considered Archcanin agebecause...unconformably overlies or is thrust above the Archcan Pilar de Goias Group(RibeiroFilho, 1981). It containsa wide...Chapadaregionhasbeeninvolved diatelyabovethe ArchcanPilar de GoiasGroup.As in at leasttwoorogenic episodes, theUruacuano...appearsthat either the host schistsat Chapadado Rio de done•ra not belongto the Mara RosaSequenceor the |  | | Catalog/List | | 5mm £3 WITH UNUSUAL ELEMENTS 047 BASTNAESITE Ce La CO/3 F Rich distribution of tiny brown grains in...visible silvery areas in matrix with Tellurite. (La Bambolla Mine Moctezuma, Sonora Mexico) 1x1 £10 54...ARSENIC (Schlema Germany) lxl £4 248 GADOLINITE (Ce La Nd Y) Fe Be Silicate.2mm to 3mm brown crystal section...individual black octahderal crystal (Oka Quebec, Canada) 3 to 4mm £4 347 NATIVE SILVER fresh silvery small...Te 0/2 good yellow crusts and coatings on matrix.(La Bambolla, Moctezuma Mexico) 1x1 £3.50 54 ins possible |  | | | | in the field ~“ Various geological locations iin Canada© Physical properties of minerals and rocks, and...& Whiteside Canadian Museum of Musée canadien de la Saad @./ NATURE Beginner’s Guide to Rocks and...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...publishing activities. Ss Canada Council for the Arts Conseil des Arts du Canada vw ONTARIO ARTS COUNCIL |  | | Conference Proceedings | | Peter Lyckberg Musée national d'histoire naturelle de Luxembourg 25 PUBLICATIONS 93 CITATIONS SEE PROFILE...Bernard Lasnier created the Diplôme d’Université de Gemmologie (DUG) in the early 1980s. Several DUGs...Dr. Emmanuel Fritsch, France; Mrs. Willow Wight, Canada; (Namibian officials and Dr Ulrich Henn, organizer...in Nantes Nantes is the regional capital of Pays de Loire, and historically the home of the Duke of Brittany...grown to over 630,000 inhabitants in recent years. La Cité Nantes Congress Center offers an ideal setting |  | | Journal (issue) | | publication of our original coinprel~ensivestudy (Koiv~~la et 31.) 1989)) as well as recently treated stones...testing (something to which she has responded-see Wakefield, 1994e)and her correlation of the exposure to...(Koivula et al., 1989). More recent research (Wakefield, 19931, and the results of this study, have indicated...l c absorption lines in irradiated, annealed type-la diamonds. Journal of Physics C: Solid State Physics...Benjainin/Ciimmings Publishing, Menlo Park, CA. Wakefield S. (1993) Fracture-filled diamonds: A ticking |
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Wakefield, La Pêche, Les Collines-de-l'Outaouais RCM, Outaouais, Québec, Canada