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Sapphire from
Loch Roag, Lewis, Isle of Lewis and Harris, Outer Hebrides, Scotland, UK


Locality type:Loch
Classification
Species:Corundum var: Sapphire
Formula:Al2O3
Habit:Hexagonal barrel-shaped crystals
Colour:Deep royal blue
Quality for species:Excellent - world class for species or very significant. (!!)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sapphire data
Locality Data:Click here to view Loch Roag, Lewis, Isle of Lewis and Harris, Outer Hebrides, Scotland, UK
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:658910
Long-form Identifier:1:3:658910:3
GUID (UUID V4):e2b4ca84-fe7b-412b-88ea-68546b210032
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
JOURNAL OF PETROLOGY VOLUME 40 NUMBER 6 PAGES 935–956 1999 Megacrysts and Associated Xenoliths:...Migration of Geochemically Enriched Melts in the Upper Mantle beneath Scotland 1 DEPARTMENT OF GEOLOGY...GEOLOGY AND GEOPHYSICS, EDINBURGH UNIVERSITY, EDINBURGH EH9 3JW, UK 2 FACULTY OF SCIENCE AND COMPUTING, LUTON...UNIVERSITY, LUTON LU1 3JU, UK 3 DEPARTMENT OF GEOLOGY AND GEOPHYSICS, UNIVERSITY OF WISCONSIN, MADISON, WI...clinopyroxene, magnetite, zircon and apatite, occur in alkali basaltic hosts at a number of Scottish localities.
Journal (article/letter/editorial)
Mineralogy and Petrology https://doi.org/10.1007/s00710-018-0610-y ORIGINAL PAPER The mantle of Scotland...36741°N 4.69751°W), N.W. Scotland, occurs within the Neoproterozoic sedimentary rocks of the Moine Supergroup...Supergroup ~4 km east of the Moine Thrust. Phlogopite 40Ar/36Ar measurements give a late Devonian maximum emplacement...emplacement age of 360.3 ± 4.9 (2σ) Ma. This age occurs in a quiet period of Scottish magmatic history...history c. 30 Ma after the closure of the Iapetus and before the start of intra-plate alkali magmatism which
Journal (article/letter/editorial)
Megacrysts and salic xenoliths in Scottish alkali basalts: derivatives of deep crustal intrusions and small-melt...A. A. FINCH2 AND E. SŁABY3 1 School of GeoSciences, Grant Institute, University of Edinburgh, Edinburgh...Edinburgh EH9 3JW, UK. School of Geography and Geosciences, University of St. Andrews, Irvine Building...St Andrews, Fife KY16 9AL, UK 3 Polish Academy of Sciences, Institute of Geological Sciences, Warszawa...Ca-poor and typically Na-rich feldspar megacrysts are common associates of spinel lherzolitic and pyroxenitic
Journal (issue)
No. 4 THE JOURNAL OF GEMMOLOG-Y and PROCEEDINGS OF THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN GEMMOLOGICAL...GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN SAINT DUNSTAN'S HOUSE, CAREY LANE LONDON, EC2V 8AB GEMMOLOGICAL... GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN OFFICERS AND COUNCIL President: Sir Frank Claringbull, Ph.D., F... THE JOURNAL OF GEMMOLOGY AND P R O C E E D I N G S OF THE GEMMOLOGICAL ASSOCIATION OF GREAT BRITAIN...BRITAIN Vol. XIX No. 4 October 1984 GLASS INFILLING OF CAVITIES IN NATURAL RUBY By K. SCARRATT, F.G.A. The
Journal (article/letter/editorial)
Palaeogene Volcanic Districts of Scotland (4th edition). 2005. By C.H. Emeleus and B.R. Bell, British Geological...Geological Survey, Nottingham, UK. Available online at http://shop.bgs. ac.uk/bookshop/ £18. 214 pages. Paperback...example of how to summarize a vast body of geological detail into an attractive, accessible, and genuinely...expect this book to be of limited interest, perhaps to a specialist audience of Scottish igneous fanatics...stretch, a broader spread of people interested in the geological history of the North Atlantic. It is
Journal (article/letter/editorial)
origin of sapphires" U-Pb dating of zircon inclusions sheds new light ROBERT R. COENRAADS School of Earth...Division of Earth Sciences, The Australian Museum, 6-8 College Street, Sydney, NSW 2000, Australia AND PETER...PETER D. KiNtqv Research School of Earth Sciences, Australian National University, GPO Box 4, Canberra...isotope dating of two zircon inclusions in sapphires from the Central Province, NSW. gives ages of 35.9+ 1.9...9 and 33.7_+2.1 million years (Ma). These ages fall within the range of basalt potassium-argon ages of
Journal (article/letter/editorial)
Different origins of Thai area sapphire and ruby, derived from mineral inclusions and co-existing minerals...SAMINPANYA1,* and FREDERICK LIN SUTHERLAND2 1 Department of General Science, Faculty of Science, Srinakharinwirot...e-mail: seriwat@hotmail.com 2 School of Natural Sciences, University of Western Sydney, North Parramatta...Australia Abstract: Mineral inclusions and coexisting minerals of gem corundum from the Thailand area analysed...this study can be divided into sapphire and ruby suites. The sapphire suite includes alkali feldspar
Report (edition)
Regional Geology The Palaeogene volcanic districts of Scotland FOURTH EDITION CH Emeleus BR Bell Contributor:...C H. and BELL, BR. 2005. British regional geology: the Palaeogene volcanic districts of Scotland (Fourth...Printed in the UK b>f Hawthornes, Nottingham C/0 7105 Authors CH Emeleus Department of Earth Sciences...University of Durham, Science Laboratories, South Road, Durham DH I 3LE BR Bell Division of Earth Sciences...Sciences, University of Glasgow, Gregory Building, Lilybank Gardens, Glasgow G 12 BQQ Contributor D Stephenson
Journal (article/letter/editorial)
    Origin of sapphires from a lamprophyre dike at Yogo Gulch, Montana, USA: Clues from their...Aaron C., Renfro, Nathan D., Berg, Richard B., Origin of sapphires from a lamprophyre dike at Yogo Gulch,...doi: 10.1016/j.lithos.2016.06.004 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...content, and all legal disclaimers that apply to the journal pertain. ACCEPTED MANUSCRIPT Origin of sapphires
Book
MINERALS OF SCOTLAND PAST AND PRESENT Alec Livingstone National Museums of Scotland Publishing Limited... Publishedby NMS PublishingLimited NationalMuseumsof Scotland ChambersStreet EdinburghEHl lJF © 1MS PublishingLimited...PublishingLimited 2002 Text: © AlecLivingstone Nopart of t!risp11blicatio11 may be reproduced, storedin a...tirepublislrer. The right of AlecLivingstoneto be identifiedas the author of this bookhas been assertedby...Cataloguing in Publication Data A cataloguerecord of this book is availablefrom the British Library.
Journal (article/letter/editorial)
investigates the origin of corundum megacrysts that occur in many basaltic terrains, and which are considered...into the petrogenetic history of the corundum megacrysts. A wide spectrum of minerals is present as inclusions...columbite and uranpyrochlore), alkali feldspar, low-Ca plagioclase (albiteoligoclase) and zircon. Rare...cobalt-rich spinel, Th,Ce-rich phosphate and uraninite. The similar chemistry of some inclusion minerals from corundum...similar petrogenesis. Geochemical characteristics of the inclusions indicate a bimodal grouping, which
Journal (article/letter/editorial)
megacrysts: I. Trace element geochemistry and clues to the origin of corundum megacrysts in alkali basalts...O’REILLY,’ and W. L. GRIFFIN’** ‘Key Centre for Geochemical Evolution and Metallogeny of Continents...School of Earth Sciences, Macquarie University, Sydney, NSW 2109, Australia ‘CSIRO Division of Exploration...Exploration and Mining, P.O. Box 136, North Ryde, NSW 2113, Australia (Received May 12, 1995; accepted in...decomposition reactions suggest the possible presence of a primary SiOZ phase in the source paragenesis for
Journal (article/letter/editorial)
pp. 823-843 (2017) DOI: 10.3749/canmin.1700016 SAPPHIRE MEGACRYSTS IN SYENITE PEGMATITES FROM THE ILMEN...Vernadsky Institute of Geochemistry and Analytical Chemistry, Russian Academy of Sciences, 19 Kosygin...East Tower, Manama, Bahrain TURSUN P. NISHANBAEV† AND SERGEY N. NIKANDROV Ilmen State Reserve, 456317...Russia ABSTRACT Sapphires in the Ilmen Mountains of Russia’s South Urals are found in syenite pegmatites...equilibrium with columbite-(Fe), K-Na-feldspar, and 6 perthite. There was a later metasomatic stage in
Book (volume)
BIRKELBY NIVERSITY Of ICAUPORN.A EARTH SCIENCES y REESE LIBRARY "TOlVERSITY OF CALIFORNIA THE... THE MINERALOGY OF SCOTLAND VOL. II. Printed by Neill and Company, Limited, Edinburgh FOR DAVID DOUGLAS...KENT, AND CAMBRIDGE . . MAOMILLAN AND BOWKS. GLASGOW . . LONDON , . JAMES MAOLEHOSE AND SONS...Pyrites. DRAWN! eV DR HCDDLE THE MINERALOGY OF SCOTLAND BY THE LATE M. FORSTER HEDDLE, M.D., F.R... CONTENTS OF VOLUME DlSILICATES. II. CONTENTS. VI CLINTONITE GROUP. VOLUME LIST OF ILLUSTRATIONS
Journal (issue)
official magazine of the British Geological Survey. Earthwise is published twice a year and describes the...the role of the BGSin supporting wealth creation and the quality of life , through earth science. Issue...Minerals '98 and its objectives, particularly as the initiative grew in part from the presentations and discussions...natural assets and it is in a nation's best interests to stimulate a greater understanding of its indigenous...distribution and economic potential of mineral resources is essential for effective and informed decisionmaking
Journal (article/letter/editorial)
Hoskin C. Mark Fanning á Robert R. Coenraads Models of corundum origin from alkali basaltic terrains: a...Australia and Asia, include a dominant blue-green-yellow zoned ``magmatic'' suite (BGY suite) and subsidiary...trace element contents (up to 0.04 wt% Ga2O3 and low Cr/Ga and Ti/Ga ratios <1). Di€erent melt origins for...here from their inclusion and intergrowth mineralogy, petrologic associations and tectonic setting. Analysed...inclusions) cover typical feldspars, zircon and Nb-Ta oxides and also include hercynite-magnetite, gahnospinel
Book
Geology and Scenery in Scotland J.B. Whittow The scenery of Scotland is, in its range and scale, as...any in the world. And beneath the variety lies a geology of enormous complexity and great age, which has...has been thrust, faulted and eroded over millions of years to provide the basis for such extraordinary...caves of Staffa and Arthur's Seat. This book is the final volume of a trilogy on the geology and scenery...scenery of the British Isles. Dr Whittow explains a complicated subject with great clarity, passing with
Journal (issue)
The Joumal of Gemmological Association and Gem Testing Laboratory of Great Britain 27 Greville Street...J. Callaghan, E.A. Jobbins, H. Tillander Council of Management: T.J. Davidson, R.R. Harding, I. Mercer...Sc, FGA, DGA, Yang Ming Xing, FGA, DGA The Journal of Gemmology Editor: Dr R.R. Harding Assistant Editors:...(Zurich), Prof. A.T. Collins (London), Dr J.W. Harris (Glasgow), Prof. R.A. Howie (Derbyshire), Dr J... Multi-star quartzes from Sri Lanka Dr Karl Schmetzer1 and Maximilian Glas2 1. Taubenweg 16, D-85238 Petershausen
Journal (issue)
Classics LEADING THE WAY IN THE SUPPLY OF QUALITY MINERAL SPECIMENS IN THE UK. WE ARE CURRENTLY LOOKING TO BUY...01884 821724 e-mail: ian@crystalciassics.co.uk UK TS C 2 COVERPrismatichexagonalberyl to 14 mm w...MINERALS David Green 9 The UK ]011rnalof Mines and Minerals publishes articles of interest to mineralogists...mineralogists, collectors, and mining historians. Contributions or suggestions for articles are welcome. See back...for address, subscriptions and advertising. TWENTY YEARS IN MINERAL SCOTLAND David Green • Gordon Todd
Journal (article/letter/editorial)
Russia: A Combined Mineralogical, Geochemical, and U-Pb Zircon Geochronological Study Maria I. Filina...Berndt 7 and Wolfgang Hofmeister 2 1 2 3 4 5 6 7 * Vernadsky Institute of Geochemistry and Analytical...Analytical Chemistry Russian Academy of Sciences (GEOKHI RAS), Kosygin str. 19, 119991 Moscow, Russia; elensorokina@mail...Bahrain; stefanos.karampelas@gmail.com Institute of Mineralogy SU FRC MiG UB RAS, 456317 Miass, Chelyabinsk...Region, Russia Department of mineralogy and lithology, Institute of Geology and Petroleum Technologies,
Journal (issue)
INDEX UK JOURNAL OF MINES AND MINERALS ISSUES 11 - 20 (1992 - 2000) Michael Wolfe David Green, Julie...Julie Ballard and Richard Bell 2002 UK Journal of Mines and Minerals - index to issues 11 to 20 -1- CONTENTS...MINERAL NOTES BOOK AND SOFTWARE REVIEWS COLLECTORS AND PERSONALITIES MUSEUMS AND COLLECTIONS LOCALITIES...information contained in books and journals, but are time consuming to produce and neglected by many publications...issues 11 to 20 of the UK Journal of Mines and Minerals, published between 1992 and 2000. Information
Journal (article/letter/editorial)
69(1), pp. 21±38 Basalt petrology, zircon ages and sapphire genesis from Dak Nong, southern Vietnam 1 1..., D. OHNENSTETTER , G. GIULIANI 5 6 L. PHAM VAN AND D. SCHWARZ 2,1 3 4 4 , A. E. FALLICK , T. PHAN...Rankine Avenue, East Kilbride G75 0QF, Scotland 4 Institute of Geological Sciences, CNST, Nghia DoÃ, CaÃu...CaÃu GiaÃy, Hanoi, Vietnam 5 Vietnam National Gem and Gold Corporation, 91 Dinh Tien Hoang Street, Hanoi...Basalts associated with sapphire deposits are widespread in Europe, Africa, Asia and Australia. In Vietnam
Report (chapter)
lyellcollection.org/ at University of Arizona on June 9, 2015 Alkaline rocks and their inclusions: a window...The majority of inclusion-bearing alkaline rocks have a source region identical with that of ocean island...island basalts regardless of whether they were erupted through oceanic or continental crust. Models have...asthenosphere and during passage to the surface there have occurred variable amounts of interaction with...with lithosphere of the mid-ocean ridge basalt type. A similar scenario would account for most inclusion-bearing
Journal (issue)
6AD Tel:(01539) 724988 Fax: (01539) 734761 UK journal of mtnes & minerals CONTENTS number 16 spring...Green. 3-----------The UK Joumal of Mines and Minerals publishes articles of interest to amateur mineralogists...mineralogists, collectors, and mining historians. Contributions or suggestions for articles are welcome...welcome. See back page for address, subscriptions and advertising. EDITOR David I. Green MARKETING MANAGER Peter...ONTARIO Roy Starkey DESIGN Max D. Freier 20 DIARY of EVENTS Tony Brinain NEWS Mick Wolfe 21 GRAPHICS
Journal (article/letter/editorial)
Meeting of the Geological Society’s Mineral Deposits Studies Group and the Applied Mineralogy Group of the...on the 3rd–5th January 2012 at the National Museum of Wales, Cardiff, Wales. High-temperature carbonates...Montana, USA H. M. Aird, A. E. Boudreau Division of Earth and Ocean Sciences, Old Chemistry Building, Box...in the petrogenesis of the sulphidehosted platinum-group-element (PGE) deposits of the Stillwater Complex...platiniferous J–M Reef of the Stillwater Complex. The carbonate assemblage consists of dolomite with exsolved
 
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