 | | Journal (article/letter/editorial) | | within the Premier diatreme root (Cullinan Diamond Mine, South Africa): New insights to mineralogical-genetic...within the Premier diatreme root (Cullinan Diamond Mine, South Africa): New insights to mineralogical-genetic...org/10.1016/j.lithos.2019.04.020 This is a PDF file of an unedited manuscript that has been accepted for...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting...within the Premier diatreme root (Cullinan Diamond Mine, South Africa): New insights to mineralogical-genetic |  | Korolev, N.M., Kopylova, M., Bussweiler, Y., Pearson, D.G., Gurney, J., Davidson, J. (2018) The uniquely high-temperature character of Cullinan diamonds: A signature of the Bushveld mantle plume?. Lithos, 304. 362-373 doi:10.1016/j.lithos.2018.02.011 | Journal (article/letter/editorial) | | uniquely high-temperature character of Cullinan diamonds: A signature of the Bushveld mantle plume? N.M...uniquely high-temperature character of Cullinan diamonds: A signature of the Bushveld mantle plume?. The...doi:10.1016/j.lithos.2018.02.011 This is a PDF file of an unedited manuscript that has been accepted for...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting...uniquely high-temperature character of Cullinan diamonds: A signature of the Bushveld mantle plume? By |  | Korolev, Nester, Kopylova, Maya, Gurney, John J., Moore, Andy E., Davidson, Jim (2018) The origin of Type II diamonds as inferred from Cullinan mineral inclusions. Mineralogy and Petrology, 112. 275-289 doi:10.1007/s00710-018-0601-z | Journal (article/letter/editorial) | | ORIGINAL PAPER The origin of Type II diamonds as inferred from Cullinan mineral inclusions Nester Korolev...GmbH Austria, part of Springer Nature 2018 Abstract We studied a suite of Cullinan diamonds (<0.3 ct)...than 90% (n = 68) of Type II diamonds do not luminesce. In contrast, 51.9% (n = 177) of Type I diamonds...luminesce, with blue colors of different intensity. Carbon isotopic compositions of Type I and II diamonds...(22%). The lherzolitic suite contains Cr-pyrope, forsterite, enstatite, clinopyroxene and Cr-spinel formed |  | | Journal (article/letter/editorial) | | Collection of D iamond C rystals with Notes on the Science, History, and Worldwide Localities of Diamonds...charismatic of mineralogical collectibles, but they are relatively rare in collections because of their high...small size and their limited availability outside of the gem trade. They also represent a rich and extensive...with the possible exception of Antarctica, and have been mined from hundreds of deposits worldwide since...Despite this seeming abundance of diamonds over the centuries, and the presence of at least token crystals in |  | | Journal (issue) | | 00 Discovery and Recovery of a Trophy “Float Copper” in Keweenaw County of the Michigan Copper Country...and rock from the outcrops was carried at the base of the glacier and the grinding action had smoothed...recede, its load of material was transported by glacial outwash or dropped in place. patina of green copper...coating the chunks. Usually there was a thin rind of cuprite coating the copper. These were in demand...collectors and were quickly sold to them. A huge amount of float copper has been recovered in the Keweenaw starting |  | Milani, S., Nestola, F., Angel, R.J., Nimis, P., Harris, J.W. (2016) Crystallographic orientations of olivine inclusions in diamonds. Lithos, 265. 312-316 doi:10.1016/j.lithos.2016.06.010 | Journal (article/letter/editorial) | | LITHOS-03956; No of Pages 5 Lithos xxx (2016) xxx–xxx Contents lists available at ScienceDirect Lithos...com/locate/lithos Crystallographic orientations of olivine inclusions in diamonds S. Milani a,⁎, F....I-35131 Padova, Italy School of Geographical and Earth Sciences, University of Glasgow, Glasgow G12 8QQ,...orientations of olivine inclusions trapped in diamonds from the Kaapvaal craton (South Africa) determined...overall data set indicates no preferred orientation of the olivine inclusions with respect to their diamond |  | | Journal (issue) | | VOLUME 18 1986 NUMBER 1 OFFICIAL ORGAN OF THE FEDERATION OF SOUTH AFRICAGEMAND MINERALOGICALSOCIETIES ...BASE. YOU GET: transfer block, dop chuck, index gc3r of your choice (64. 80, 96 or 120). dozen J..SSorted... This well-r.ud.e t:recis,on m.i.:n1fier is mad, of light, durable impact res1:.Un1r::ater,al. F1t1edwith...Fits ovtr cli:.ses. ind allcHS the proper amcunt of tfght to ruth tt:t tJU. A.d;usliblt -p,vct" zsitmbly...gudh.: gnnding Splash Ring of R6S t_ap Unit 1nvar1cdto expose gato The South African Lapidary Magazine |  | | Book (edition) | | “ee Precious and Semiprecious Stones ¢ 1,500 Photos of Gems in Rough and Polished States ¢ Complete Physical... i Fy 3 Ve, < $24.95 Can. $32.95 GEMSTONES of the World The standard reference for over 20 years...alone? Gemstones have fascinated people for thousands of years. In ancient times they were worn as amulets...formed, and gemstones were allocated to the signs of the zodiac. At one time, precious jewelry was a way...scientific survey with stunning color photographs of each gem and its varieties. If you think you know |  | Motsamai, Theetso, Harris, Jeffrey W., Stachel, Thomas, Pearson, D. Graham, Armstrong, John (2018) Mineral inclusions in diamonds from Karowe Mine, Botswana: super-deep sources for super-sized diamonds?. Mineralogy and Petrology, 112. 169-180 doi:10.1007/s00710-018-0604-9 | Journal (article/letter/editorial) | | PAPER Mineral inclusions in diamonds from Karowe Mine, Botswana: super-deep sources for super-sized diamonds...4 June 2018 # Springer-Verlag GmbH Austria, part of Springer Nature 2018 Abstract Mineral inclusions...and trace element study of mineral inclusions in diamonds from the Karowe Mine in north-east Botswana...Botswana, along the western edge of the Zimbabwe Craton. From a total of 107 diamonds, 134 silicate, 15 oxide...inclusions were recovered. The results reveal that 53% of Karowe inclusion-bearing diamonds derived from eclogitic |  | | Journal (issue) | | QUARTERLY JOURNAL OF THE GEMOLOGICAL INSTITUTE OF AMERICA Diamonds from Guyana Surface Features of Ekanite from...from Sri Lanka A Study of Gems from Napoleon III’s Crown A New Source of Amber in Vietnam Summer 2022...mining history and practices. p. 146 156 The Shape of Ekanite Lutz Nasdala, K.A. Geeth Sameera, G.W.A....Škoda Discusses the unusual surface characteristics of ekanite from secondary deposits in Sri Lanka. 168...Study with Mobile Instruments of “Emeralds” from the Coronation Crown of Napoleon III Stefanos Karampelas |  | | Book | | . -a i 7 : ; - 5555 % pais} _ SYMBOLS Re OF BEAUTY AND _ a SA Eduard Gibelin Franz-Xaver Erni...8 Gub Gubelin, Eduard Josef, Gemstones : symbols of beauty and power $ 39.95 English ed. WITHDRAWN ...MSTONES Symbols of Beauty and Power /EOSCIENCE RESS, Inc. Tucson, Arizona A production of EMB-Service...A., Farigliano Printed in Italy Page 2: The use of blue benitoites, which are only found in one place...position of unparalleled rarity. Fifty-two brilliant-cut benitoites with a total weight of 33 carats |  | | Journal (article/letter/editorial) | | COMMUNICATIONS Correlation of High-Calcium Silica-Undersaturated Complex of the Maymecha–Kotuy Province...**, and L. N. Kogarkoa, *** aVernadsky Institute of Geochemistry and Analytical Chemistry, ul. Kosygina...phoscorite of the Kugda massif were analyzed by LA-ICP-MS. Age obtained for the alkaline rocks of the Kugda...Maymecha–Kotuy Province. The simultaneous formation of the melilite-bearing Kugda Complex, Siberian flood...Guli Massif suggests the possible genetic relation of these rocks. Keywords: U-Pb age, Kugda Massif, LA-ICP-MS |  | Giuliani, Gaston, Fallick, Anthony E., Boyce, Adrian J., Pardieu, Vincent, Pham, Van Long (2017) Pink and Red Spinels In Marble: Trace Elements, Oxygen Isotopes, and Sources. The Canadian Mineralogist, 55 (4) 743-761 doi:10.3749/canmin.1700009 | Journal (article/letter/editorial) | | Identification of Vietnam, 91 Dinh Tien Hoang Hanoi, Vietnam ABSTRACT The oxygen isotopic composition of pink...characterization of the geographic origin of the main productive and historical sources of gem spinel. Three...Three consistent sets of d18O values were found for primary and placer deposits: (1) between 5.6 and 8...the d18O values for most of the deposits can be related to the buffering of the metamorphic fluids by...the oxygen isotope composition of the impure marbles. The d18O values of Kuh-i-Lal spinels result from |  | | Journal (article/letter/editorial) | | doi: 10.1016/j.lithos.2015.01.028 This is a PDF file of an unedited manuscript that has been accepted for...version of the manuscript. The manuscript will undergo copyediting, typesetting, and review of the resulting...and R.W. Lutha Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB, T6G...for a worldwide database of inclusions in diamond indicate MA that formation of the dominant harzburgitic...and lherzolitic lithologies grew in the presence of a melt, unless their formation is related to strongly |  | | Journal (article/letter/editorial) | | Diamond Exploration and Resource Evaluation of Kimberlites Bruce A. Kjarsgaard1, Nicole Januszczak2,...2138/gselements.15.6.411 K imberlites are the main source of natural gem-quality diamonds. The intrepid diamond...the quantity of diamonds within a kimberlite that often consists of multiple phases of intrusive and... Third, evaluating the rough diamonds, the value of which is dependent on carat-weight, shape, colour...kimberlite-hosted diamond deposits. (Kimberley area, South Africa), discovered in late 1869 ( Janse 1995). Modern |  | | Book (edition) | | EXPANDED. ~ FOURTH: > EDIPION - 860 . #1,900 Photos of Gems in Rough and Polished States” Complete Physical...alone? Gemstones have fascinated people for thousands of years. In ancient times they were worn as amulets...formed, and gemstones were allocated to the signs of the zodiac. At one time, precious jewelry was a way...scientific survey, with stunning color photographs of each gem and its varieties. Newly published in a...book now includes a detailed description of the treatment of gemstones and information on even more gemstones |  | | Journal (issue) | | Spinel In All Shades & Sparkling Colors A Publication of the International Colored Gemstone Association International...Editor’s Note The Importance of Responsible Sourcing 6 ICA Report Activities of ICA Members Around the World..."Ruby" The Spinels of Mogok – A Brief Overview Spinels from Sri Lanka 54 The Spinels of Mahenge, Tanzania...Tanzania In Search of Cobalt Blue Spinel in Vietnam Spinel Inclusions – An Exercise in Aesthetics Spinel –... 66 InColor InColor is the official publication of the International Colored Gemstone Association, ICA |  | | Book | | Stee (OEE hVib S Pierre Bariand Curator of Minerals, Faculty of Sciences, Université Pierre et Marie Curie...diamants, perles et pierres précieuses, Paris Chamber of Commerce and Industry In collaboration with Michel...Ph.D. Research scientist, Gemological Institute of America [aN Van Nostrand Reinhold Copyright ©...Nelson Australia Library of Congress Catalog Card Number 102 Dodds Street South Melbourne 3205 91-9256...Victoria, Australia All rights reserved. No part of this work covered by the copyright hereon may be |  | | Journal (issue) | | QUARTERLY JOURNAL OF THE GEMOLOGICAL INSTITUTE OF AMERICA Establishing the Geographic Origin of Diamonds Sapphire...Sapphire from Muling, China The History of Pigments Sourced from Gem Materials Pink Spinel from Kuh-i-Lal...VOLUME 58, No. 3 EDITORIAL 269 The Geographic Origin of Diamonds, Sapphire from China, and Pigments Sourced...ARTICLES 270 Methods and Challenges of Establishing the Geographic Origin of Diamonds Evan M. Smith, Karen...Examines the current available means of determining the geographic origin of gem-quality diamond, which are |  | | Book (edition) | | and . '-#•' ; Semiprecious Stones 1,500 Photos of , Gems in Rough and - Polished States 1 fi'^ii...Half-brilliant Simple rose Jubilee cut Free form Coat-of-arms Magna Briolette cut Shield Square Ceylon...jffi^m irwi l\ ttft wM £&i * - • Gemstones of the World Revised & Expanded Edition Walter Schumann...49 52 Terminology 10 of Gemstones The Nomenclature ofGemstones 14 Types of Deposits 53 12 Origin...Structure Mining Methods 55 58 of Gemstones Cutting and Polishing of Crystal Systems 17 19 Deposits |  | | Journal (article/letter/editorial) | | ECONOMIC GEOLOGY AND BULLETIN VOL. 78 OF THE SOCIETY THE OF ECONOMIC NOVEMBER, GEOLOGISTS 1988...1988 No. 7 The J-M Platinum-Palladium Reef of the StillwaterComplex,Montana: II. Origin by Double-Diffusive...double-diffusive convection. Asbackground, some of thecharacteristics of convecting liquidlayersaredescribed, withemphasis...diffusiveexchanges causemechanical mixing. A newconcept of thesolidification of layeredultramafic-gabbroic intrusions isthendescribed...isthendescribed in whichwholesequences of cumulates form concurrently by downdipaccretionfrom a columnof |  | | Journal (article/letter/editorial) | | strongly fractionate trace elements during the evolution of SiO2-undersaturated magmas. In silicate magmas, perovskite...silicate and carbonate systems is the relative behavior of U and Th. Whereas all silicate system experiments...Th/U ratio of magmatic perovskite may, therefore, provide a tool for a better understanding of the evolution...evolution of hybrid carbonate– silicate magmatic systems. The rare earth elements (REE) show similar perovskite/melt...to quantify the strong control of perovskite on the bulk REE budget of kimberlites and related rocks. |  | | Book | | Minerals, Rocks and Man The World of Minerals Gems and Jewellery The Formation of Rocks Guide to Minerals Guide...Minerals and rocks have been of great importance to Man since the dawn of human history. In the early...and tin. The invention of bronze, a harder metal than copper, marked the end of the Stone Age. But even...in1portant was the discovery, about 3300 years ago, of how to work iron. Iron, a tough metal, is more common...copper and tin, and the Iron Age marked the start of modern times. Interest in the Earth's riches was |  | Shen, Ting-ting, Wu, Fu-yuan, Zhang, Li-fei, Hermann, Joerg, Li, Xu-ping, Du, Jin-xue (2016) In-situ U–Pb dating and Nd isotopic analysis of perovskite from a rodingite blackwall associated with UHP serpentinite from southwestern Tianshan, China. Chemical Geology, 431. 67-82 doi:10.1016/j.chemgeo.2016.03.029 | Journal (article/letter/editorial) | | com/locate/chemgeo In-situ U–Pb dating and Nd isotopic analysis of perovskite from a rodingite blackwall associated...Du a a MOE Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences...Laboratory of Lithospheric Evolution, Institute of Geology and Geophysics, Chinese Academy of Sciences...Box 9825, Beijing 100029, China c Research School of Earth Sciences, The Australian National University...d Institute of Geological Sciences, University of Bern, 3012, Switzerland e Institute of Earth Science |  | | Report (issue) | | HANDBOOK 15 OF THE GEOLOGICAL SURVEY OF SOUTH AFRICA COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA...AFRICA MINERALOGY OF SOUTH AFRICA: TYPE-MINERAL SPECIES AND TYPE-MINERAL NAMES by V.D.C Daltry HANDBOOK15... COUNCIL FOR GEOSCIENCE GEOLOGICAL SURVEY OF SOUTH AFRICA Scientific Editor R.D. Dixon Linguistic and...Council for Geoscience (Geological Survey of South Africa), 280 Pretoria Street, Silverton, Pretoria...request or consult the latest edition of the Catalogue of, publications of the Council for Geoscience (obtainable |
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