 | | Journal (issue) | | mmigration Ol ice. Opal Mines, Wbite Cllifs, New South Wales. Oourte8JI Special Opal Nuinber Granite and...1Iuseum. B y 1rilli<1m F. Foshag The Geology of Opal. By, Oilb rrt Hart.. . . . . . . . . . . . . . ...Quest of the Opal. B!I If. T. Strnng.. . ....................... . . ('(}Jor Play in Opal. B.11, Il. E... . . . . . . . . . . . . . . . . . . . . . 'fbe Opal. JJy E11,qe11e Jr. B1"11k..................... ...Nature, Oc·cune11ce anll U se. By ,John Jfe11111.sr Opal from the Columhin Plateau Basnlt F lows of ,vashington |  | | Journal (issue) | | Mineral Collections in Australia A Supplement To The Mineralogical Record, SeptemberâOctober 2020 ... Mineral Collections in Australia Organized by Robert Sielecki Designed by Wendell Wilson with Photography...SeptemberâOctober, 2020 Mineral Collections in Australia A Supplement to The Mineralogical Record SeptemberâOctober... Zinc Corporation mine, Broken Hill, New South Wales, Australia. Collection of the Australian Museum;...Top row from left: âą 6 cm, Kalgoorlie, Western Australia; Lee Spencer collection, John Chapman photo. âą |  | | Journal (article/letter/editorial) | | T H E STORY OF OPAL By G. FREDERICK SHEPHERD Technical Assistant In Geology - (1932) Museum of Science...Science and Industry, Chicago, Illinois Opal An Evil Omen? It is most deplorable that the mind of the...the mag nificent and ever-changing beauty of the opal to be maligned with puny super stition. Many objects...misunderstanding, ungrounded re port, or superstition, and the opal is one of them â with little, if any, reason for...for the spread of its ill-fated powers. The opal has not always been thought of as being unlucky, and it |  | | Book | | THE MINERAL INDUSTRY OF. NEW SOUTH ·WALES * .--- -. No. 18 GEMSTO-NES COMPILED BY G. ROSE AUGUST...AUGUST, 1960 ··- * 1 GEOLOGICAL SURVEY OF NEW SOUTH WALES DEPARTMENT OF . MINES 2'4109 (75 c) DEPARTMENT...SURVEY OF NEW SOUTH WALES F. W, BOOKER, GOVERNMENT GEOLOGIST THE MINERAL INDUSTRY OF NEW SOUTH WALES No....Mines 24109-1 ., THE MINERAL INDUSTRY OF NEW SOUTH WALES No. 18 GEMSTONES Compiled by G. RosE, August...D. Occurrences in New South Wales I. Lightning Ridge (Wallangulla) II. White Cliffs III. Tintenbar IV |  | | Book | | Pty. Ltd. 26 Harries Road, Coorparoo, Qld. 4151 Australia © Copyright Len Cram 1994 © Photography and text...Black Opal. Contents Introduction 5 Opal History 7 Australian Opals 13 Australian Opal Geology...What is Opal? On the Trail 15 17 19 Letâs Go Hunting For Opal! 23 New South Wales Opal Fields Lightning...Lightning Ridge White Cliffs 41 49 South Australian Opal Fields Coober Pedy Mintabie Andamooka 41...41 53 57 59 Queensland Opal Fields 61 53 This book, the Field Guide to Australian Opals, has |  | | Report (issue) | | Contents 4 Map: Notable Opal Localities 50 BY BRUCE PAUL GABER 6 The Opal Enigma: Science, History...and Pins Afire: Play of Color in Opal BY MAX WEIBEL Sparkling Opal in Ancient Bones: Precious Relics...of Lightning Ridge in New South Wales takes stunning photographs vibrant with opal pattern and color. In...Lightning Ridge black opal, the field of view is approximately 3 mm wide. Opal courtesy Jenni Brammall...RITCHIE 52 An Opal Glossary of Terms BY SI AND ANN FRAZIER BY PETER HUBER 64 Opal from Mexico: Unsurpassed |  | | Journal (article/letter/editorial) | | Allan Pring 2, * South Australian Museum, North Terrace, Adelaide, SA 5000, Australia; Neville.Curtis@flinders... Flinders University, Bedford Park, SA 5042, Australia Correspondence: Jason.Gascooke@flinders.edu.au...was undertaken to characterise opal-AG, opalAN (hyalite), opal-CT and opal-C, focussing on the Si-O fingerprint...spectroscopy shows that the three major IR bands of opal are split into transverse optical (TO) and longitudinal...non-destructive delineation of play of colour opals into opal-AG or opal-CT gems. We find that there are no special |  | | Journal (article/letter/editorial) | | T H E OPAL FORMATIONS OF AUSTRALIA. By ROBEKTM. M±CDONALD. BETWEEN latitudes 22 ° and 31 ° South, and...from longitude 145"30 ° across the Queensland and South Australian boundaries into the heart of the interior...this meagre supply dwindles away as they trend south until it is finally lost in the great "salt p a...the Warrego in Queensland and the Darling in New South Wales mark the eastern fringe of this vast district... while the chain of salt lakes in central South Australia defines the utmost limits of his investigations |  | | Journal (article/letter/editorial) | | Article 29 Si Solid-State NMR Analysis of Opal-AG, Opal-AN and Opal-CT: Single Pulse Spectroscopy and Spin-Lattice...A. 29 Si Solid-State NMR Analysis of Opal-AG, Opal-AN and Opal-CT: Single Pulse Spectroscopy and Spin-Lattice...Allan Pring 2,4 South Australian Museum, North Terrace, Adelaide, SA 5000, Australia; neville.curtis@flinders...University, Sturt Rd, Bedford Park, SA 5042, Australia; jason.gascooke@flinders.edu.au (J.R.G.); allan...University, Sturt Rd, Bedford Park, SA 5042, Australia Department of Geology, School of Physical Sciences |  | | Journal (issue) | | Australian Opal Symposium & Updates Padparadscha Coloration Pantone's Color of the Year Latest Auction...Winter 2019 InColorMagazine.com; Gemstone.org NEW LOCATION LAS VEGAS CONVENTION CENTER WEâLL GET YOU...Busy Year for ICA Editorâs Note The Bridge to the New Year ICA Report 26 Activities of ICA Members Around...black opal recently mined at Lightning Ridge. (Photo and stone courtesy of Cody Opal Australia) Industry...Industry InColor Special Opal Issue The 9th Annual National Opal Symposium Opal Classification: The Best |  | | Journal (article/letter/editorial) | | 03 November 2014 Figure 2. Split pair of boulder opal from Quilpie, Queensland. Specimen is 4.5 Ă 3.5...Cretaceous Griman Creek Formation, Lightning Ridge, New South Wales. Specimen is approximately 15 cm long. Museum...MINERALS Figure 3. Opal pseudomorph after gastropod from Coober Pedy, South Australia. Specimen is 1.5...precious black opal from Lightning Ridge, New South Wales. D. Barnes, New South Wales Mineral Resources...Resources, photo. Australian Opal Resources Outback Spectral Fire Downloaded by [UQ Library] at 11:29 03 |  | | Journal (article/letter/editorial) | | & Francis Informa Ltd Registered in England and Wales Registered Number: 1072954 Registered office: Mortimer...Geoscience Journal of the Geological Society of Australia Publication details, including instructions for...tandfonline.com/loi/taje20 Towards a predictive model for opal exploration using a spatio-temporal data mining...Geosciences , The University of Sydney , NSW , 2006 , Australia Published online: 30 Apr 2013. To cite this article:...D. MĂŒller (2013) Towards a predictive model for opal exploration using a spatio-temporal data mining |  | | Book | | Black Opal. [Frontispiece. Opal: The Gem of the Never Never By T. C. WOLLASTON Author... LONDON THOMAS 1, MURBY FLEET LANE, 1924 & CO. E.C.4 PRINTED IN GREAT BY WOODBRIDGE BRITAIN... II. The Main Types Opal Opal III. Opal, IV. How â â a of Gem Opal Geological Part II. ... â â 16 â ... 33 Journeyâ the â The ... Opal â â Nature â in Getting Trancelike to 45...the â Homeâ Country Never Never Leases V. Opal Drought Last 11 ... ... Innamincka Stage |  | | Book | | Giibelin ~ ~ VAN NOSTRAND REINHOLD _ _ _ _ _ _ _ New York Copyright © 1990 by Van Nostrand Reinhold...Fifth Avenue New York, New York 10003 Van Nostrand Reinhold International Company Limited 11 New Fetter Lane...480 La Trobe Street Melbourne, Victoria 3000, Australia Nelson Canada 1120 Birchmount Road Scarborough...Formed from Surface Water: 19 The Opals of Australia PART II Gemstones of Igneous-Hydrothermal Origin...129 The Diamond Deposits of Argvle, Western Australia Index 141 FOREWORD Each gem deposit-whether | | | Book | | Giibelin ~ ~ VAN NOSTRAND REINHOLD _ _ _ _ _ _ _ New York Copyright © 1990 by Van Nostrand Reinhold...Fifth Avenue New York, New York 10003 Van Nostrand Reinhold International Company Limited 11 New Fetter Lane...480 La Trobe Street Melbourne, Victoria 3000, Australia Nelson Canada 1120 Birchmount Road Scarborough...Formed from Surface Water: 19 The Opals of Australia PART II Gemstones of Igneous-Hydrothermal Origin...129 The Diamond Deposits of Argvle, Western Australia Index 141 FOREWORD Each gem deposit-whether |  | | Journal (article/letter/editorial) | | A Review of the Classification of Opal with Reference to Recent New Localities Neville J. Curtis 1,2 ...Pring 1,2, * 1 2 * South Australian Museum, North Terrace, Adelaide, SA 5000, Australia; neville.curtis@flinders...University, Sturt Rd, Bedford Park, SA 5042, Australia; jason.gascooke@flinders.edu.au (J.R.G.); martin...Abstract: Our examination of over 230 worldwide opal samples shows that X-ray diffraction (XRD) remains...for delineation and classification of opal-A, opal-CT and opal-C, though we found that mid-range infra-red |  | | Book | | CLASSIC MINERAL LOCALITIES OF THE WORLD Asia and Australia = _ |) VieBAtO TATA JARS LIPOW Si. ao sĂ© ...WORLD Asia and Australia Philip Scalisi David Cook VAN NOSTRAND REINHOLD COMPANY NEW YORK CINCINNATI...Nostrand Reinhold Company Inc. 135 West 50th Street, New York, N.Y. 10020 Van Nostrand Reinhold Publishing...Nostrand Reinhold Australia Pty. Ltd. 17 Queen Street Mitcham, Victoria 3132, Australia Van Nostrand Reinhold...Classic mineral localities of the world, Asia and Australia. Bibliography: p. Includes index. 1. Mines and |  | | Journal (article/letter/editorial) | | Micros at the Texas-National Show. GEM O'F THE MONTH Opal occurs in many forms such as opalized dinosaur bone...which have been found in Australia. There are opalized trees also. Common opal known as opalite usually...usually fluoresces. Hyalite opal is formed of colorless transparent bubbles and contains inclusions of small...California is the locality of a type of opal known as bacon rind opal because of its light and dark layers...California locality near San Diego produces a smoky opal. The opals of Mexico are translucent with innumerable |  | | Book (edition) | | FL Estes Park, CO ABOUT THE COVER Pictured on the front cover is a spectacular opal find from Mintabie...Mintabie, Australia, photographed by the author. The back cover pictures an opal mouse which was commissioned...Preface Every trip and every new friend adds to my ever-evolving story of opal. I consider this story as...guess I will just have to keep going back to Australia again and again! The stories contained in this...and I actually went to these places, searched for opal, broke down in our camper, and met many wonderful |  | | Report (issue) | | Aitkens âą .' ... INTRODUCTION' * "' âą â ' âąâą The opal, long in disfavor "because it was considered "unlucky...years. For variety and beauty of color the precious opal:*is without a peer. These colors do not come from...DESCRIPTION AND PROPERTIES Unlike mos"t gem stones, the opal is not crystalline. .It is a solidi fied jelly consisting...together with a certain amount of water. In precious opal the water content ranges from 6 to 10 per cent....compounds, as. well-as bitumens, are present. âą âą Opal is somewhat soft, the hardness ranging from 5-J- |  | | Journal (issue) | | Detector Minelab MPS Tedllology - Milelab's NEW DVT Tedmlllogy - Acknowledged by many to be the...metal was gold A STOPOVER IN WHITE CLIFFS They're still scratching for opal here but the glory days are...discount rate and be in the draw to win a couple of new Minelab detectors! DO THE RIGHT THING A bit of common...COLO GEM & THEASUHE 4 TREASURE ENTERPRISES OF AUSTRALIA Leading Specialists in Prospecting & Treasure...Hunter, White's, isher, Tesoro and Garrett, both new and secondhand specially designed for Gold Prospecting |  | | Book | | coronet of agate and topaz, Bert Scheps, F.G.A.A. for opal and carnelian jewellery, Harry Pearce for the clock...and bound by Kyodo Printing Co Ltd, Tokyo. National Library of Australia Cataloguing in Publication data...colourbook series). ISBN 0 589 07012 6. I. Gems - Australia - Identification. I. Perry, Ron.joint author....Gemstones in Alphabetical Order Origin of Coiour - Opal 11 14 - 101 50 Tests for Identification 106...excellent geological displays, and thrir courtesy and co-operation are truly appreciated by all who wish to |  | | Journal (article/letter/editorial) | | Tregarden, biotite, 606. Trelavour, biotite, 6o6. WALES Moel Goedog, Harlech, Merioneth, basaluminite 291...Tomintoul, Banffshire, lithiophorite, 618. Leverburgh, South Harris, omphacite, 61. Loch Don, Mull, plumbogummite...Is., augite, 67z. Vohiboly, grandidierite, 615. South Africa Bultfontein, Orange Free State, peridotite...Nunarsuatsiak, Tunugdliarfik, arfvedsonite, 317. South Greenland, alkali feldspar, 489. Canada Pte du...orthoclase, 489. Black Hills, South Dakota, montebrasite, 414 . Canon City, Fremont Co., Colorado, montebrasite |  | | Journal (article/letter/editorial) | | OPAL PSEUDOMOPvPHS from WHITE NEW SOUTH WALES. By C. Anderson, M.A., B.Sc, Mineralogist Museum, and...and H. Stanley Jrvons, CLIFFS, to tlie Australian M.A., B.Sc, late Lecturer on Mineralogy and...of Sydney. (Plates vi The occurrence of Opal â vii., White text fig. -1). pseudomorphic crystals...have I'eached Sydney and were called locally at Cliffs as "fossil pineapples" has ; examined by Professor...speciof occuirence, so far as known to us, The White Cliffs Opal-field was first in detail by Mr. J. B. Jaquet |  | | Journal (article/letter/editorial) | | very probable that, at least in some cases, the new substance has gradually replaced the one that ceded...later disappears, leaving the mold formed by the new mineral. In this article we will examine the main...the mineral is metastable, so that alteration to a new species will depend on the existence of changes in...for other in 1952. By 1955 minerals, did not the new company yield specimens discovered huge of acanthite...sometimes covered by should in principle massive white quartz be very common (Moore, 2016). since, of these |
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White Cliffs, Yungnulgra Co., New South Wales, Australia