 | Sokolova, E., Hawthorne, F. C., Ball, N. A., Mitchell, R. H., Della Ventura, G. (2006) Vlasovite, Na2Zr(Si4O11), from the Kipawa alkaline complex, Quebec, Canada: crystal-structure refinement and infrared spectroscopy. The Canadian Mineralogist, 44 (6) 1349-1356 doi:10.2113/gscanmin.44.6.1349 | Journal (article/letter/editorial) | | VLASOVITE, Na2 Zr (Si4O11), FROM THE KIPAWA ALKALINE COMPLEX, QUEBEC, CANADA: CRYSTAL-STRUCTURE REFINEMENT AND...University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada ROGER H. MITCHELL Department of Geological Sciences...Lakehead University, Thunder Bay, Ontario P7B 5E1, Canada GIANCARLO DELLA VENTURA Dipartimento di Scienze...vlasovite, Na2 Zr (Si4O11), from the Kipawa alkaline complex, Quebec, Canada, monoclinic, a 11.0390(5), b 10...Na2 Zr (Si4O11), provenant du complexe alcalin de Kipawa, au Québec, Canada, monoclinique, a 11.0390(5) |  | | Journal (article/letter/editorial) | | The two dozen or so minerals in the group are complex, sodium-rich zirconosilicates whose crystal structure...specimens from Kangerdluarssuk, Ilimaussaq alkaline complex, South Greenland, and named the mineral eudialyte...collectors specialize in the interesting minerals of alkaline igneous rocks; collectors in North America are...are most familiar with Mont Saint-Hilaire, Québec, whereas European collectors are more familiar with sites...with the arrival of good supplies from Russia and Canada. Most cutting material contains rich pink to purple |  | | Journal (article/letter/editorial) | | spinel from Amity, uvite from Pierrepont, and diopside from near Richville (the famous Dekalb locality)...somewhat equant, the latter crystals exhibiting complex forms and superficially resembling garnet. Single...ROCKS & MINERALS [(Mg,Fe)5(SiO4)2(F,OH)2] is a complex magnesium-iron fluorosilicate. It is a relatively... spinel, grossular, forsterite, monticellite, diopside, calcite, and wollastonite. There are many scattered...(Pemberton 1983). It occurs with hedenbergite, spinel, diopside, ludwigite, fluorite, and other minerals at the |  | Kynicky, J., Chakhmouradian, A. R., Xu, C., Krmicek, L., Galiova, M. (2011) DISTRIBUTION AND EVOLUTION OF ZIRCONIUM MINERALIZATION IN PERALKALINE GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA. The Canadian Mineralogist, 49 (4) 947-965 doi:10.3749/canmin.49.4.947 | Journal (article/letter/editorial) | | GRANITES AND ASSOCIATED PEGMATITES OF THE KHAN BOGD COMPLEX, SOUTHERN MONGOLIA Jindrich KYNICKY§ Department...University of Manitoba, Winnipeg, Manitoba R3T 2N2, Canada Cheng XU Laboratory of Orogenic Belts and Crustal...Republic Abstract The western part of the Khan Bogd complex, in the south Gobi desert, southern Mongolia, comprises...aplite–pegmatite bodies are texturally and compositionally complex products of Zr enrichment during the differentiation... le complexe de Khan Bogd, dans le sud du désert de Gobi, du sud de la Mongolie, contient, dans l’ordre |  | Wu, Bin, Wen, Han-Jie, Bonnetti, Christophe, Wang, Ru-Cheng, Yang, Jin-Hui, Wu, Fu-Yuan (2019) Rinkite-(Ce) in the nepheline syenite pegmatite from the Saima alkaline complex, northeastern China: Its occurrence, alteration, and implications for REE mineralization. The Canadian Mineralogist, 57 (6) 903-924 doi:10.3749/canmin.1900042 | Journal (article/letter/editorial) | | NEPHELINE SYENITE PEGMATITE FROM THE SAIMA ALKALINE COMPLEX, NORTHEASTERN CHINA: ITS OCCURRENCE, ALTERATION...The nepheline syenite pegmatite in the Saima alkaline complex in northeastern China is characterized by...fractional crystallization of the Saima CO2-rich alkaline silicate magma, and the successive alterations...rare earth minerals. Keywords: Saima alkaline complex, alkaline pegmatite, rinkite-(Ce), magmatic-hydrothermal...(Chakhmouradian & Wall 2012, Paulick & Machacek 2017). Alkaline silicate rocks and carbonatites are two important |  | | Journal (article/letter/editorial) | | Agrellite Beryl Betafite Malachite Miserite Danburite Diopside Clinochlore Murmanite Chrysotile Aegirine 41...isoferroplatinum with some chromium spinelides and Crdiopside. All sperrylite specimens were collected by A...368 Kazakhstan 148 Tajikistan 135 Australia 80 Canada 72 Brazil 61 Turkmenistan 60 Ukraine 54 Italy 51...Khibiny, lorenzenite from Lovozero massif and diopside from Kovdor were donated by amateurs V.Silitskiy...Tajikistan are series of specimens from DaraiPioz alkaline massif, collected by the Museum stuff members |  | | Journal (issue) | | classical gem testing methods and results for diopside, kornerupine and sillimanite are discussed. Introduction...three cat's-eyes composed of diopside, kornerupine and sillimanite Diopside, kornerupine and sillimanite...different chemical compositions and structures. Diopside is CaMgSi 2 0 6 and belongs to the monoclinic...(Si, : diopside, kornerupine and sillimanite. All are chatoyant... 80- s / b 3 n c e 40- 1 ! 20-J 100- diopside TA^ t «-: 60- r b a n c e \J F^A \ / A |  | | Book (volume) | | bonds or groups of atoms forming covalent bonds – complex anions (e.g. CO32, C2O42, SO42, PO43, SiO44...vibrations of most important coordination polyhedra and complex anionic groups are listed by Miller and Wilkins...zirconoand titanosilicates characterized by very complex and variable crystal-chemical features (Johnsen...been discovered recently in the Kovdor massive of alkaline-ultramafic rocks and carbonatites, Kola peninsula...of high-calcium eudialyte-group minerals from alkaline pegmatites of the Kovdor massif: (1) mogovidite |  | | Journal (issue) | | collected specimens, including a very bright blue diopside, and a green-fluorescing synthetic zincite from...bluish-pink-fluorescing agrellite from the Kipawa alkaline complex in Québec, Canada. Brendan and Connie Dunn’s case...multicolored “Fantasy Rocks” from the Ilímaussaq alkaline complex in southwestern Greenland. His talk about |  | | Book | | Mineralogical Association of Canada Association mineralogique du canada 14 Also in this series Encyclopedia...(1998) J. Delvigne Mineral Species Discovered in Canada and Species Named after Canadians Special Publication...F. Martin c 2019 Mineralogical Association of Canada All rights reserved. No part of this publication...publishers. Printed in Canada on acid-free paper Library and Archives Canada Cataloguing in Publication...(1962-) Published by the Mineralogical Association of Canada ISBN: 978-0-921294-61-0 1. Mont Saint-Hilaire, |  | | Journal (issue) | | is polymineralic, containing small amounts of diopside, calcite and chlorite. Gemmological properties...largely of Precambrian biotite schist (Youngduri Complex), amphibolite, limestone and quartzite (Kubongsan...tremolite was formed by alteration of pre-existing diopside and calcite (Figure 5). However, impure (lowquality)...polymineralic, containing small amounts of calcite, diopside and chlorite in the nephrite matrix. All the mineral...polarized light. Crystal shapes of pre-existing diopside, now replaced by tremolite, are visible. x20. |
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