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| coronet of agate and topaz, Bert Scheps, F.G.A.A. for opal and carnelian jewellery, Harry Pearce for the clock...Miss G. Cook, The Australian Gemmologist and Queensland Mining Journal. Other kind folk helped us with...Printing Co Ltd, Tokyo. National Library of Australia Cataloguing in Publication data Perry, Nance Australian...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 |
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| dollar run at Coobcr Pedy and saw his opal. As a result he became an opal miner for a holiday and, in 1965...Pcdy. This was the beginning of his love a�air with opal. For the next three years, until his return to medical...at Collarcnebri in December 1967, he searched for opal. Dr Kalokerinos became obsessed with the problems...which formerly surrounded precious opal. The author's love for opal is described with a lyricism rare...is the first serious study of Australian precious opal and describes for the first time some simple but |
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| Pty. Ltd. 26 Harries Road, Coorparoo, Qld. 4151 Australia © Copyright Len Cram 1994 © Photography and text...Opals, , tiful Lightning Ridge, Beautiful Queensland Opals, and Beautiful Opals of the Desert “ISBN...Black Opal. Contents Introduction 5 Opal History 7 Australian Opals 13 Australian Opal Geology...What is Opal? On the Trail 15 17 19 Let’s Go Hunting For Opal! 23 New South Wales Opal Fields Lightning...South Australian Opal Fields Coober Pedy Mintabie Andamooka 41 53 57 59 Queensland Opal Fields 61 |
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| Aitkens • .' ... INTRODUCTION' * "' • ■' •• 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. • • Opal is somewhat soft, the hardness ranging from 5-J- |
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| ' • t IN COLO~ · AUSTRALIAN OPALS IN COLOUR Opal can be fairly stated to be Australia's national...reader through all the Australian opal fields, describes the types of opal 111ining, the lives of the miners...Andamooka, and on the Queensland opal fields. It also covers the scientific nature of opal and describes how...superb colour plates it display Australian opals and opal jewellery in al I their beauty: gives glin1pses...lapidary working of these precious getns. Every proud opal owner will want this book and all who read the book |
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| 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...vibrant with opal pattern and color. In this extreme close-up of a Lightning Ridge black opal, the field...approximately 3 mm wide. Opal courtesy Jenni Brammall BY ALEX RITCHIE 52 An Opal Glossary of Terms BY...BY SI AND ANN FRAZIER BY PETER HUBER 64 Opal from Mexico: Unsurpassed Fire BY JURGEN SCHUTZ 18 Perfect |
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| 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 |
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| Et system for vurdering av Opal Av Svein O. Haugen Oversatt efter sjette utgave 1987 Ti/egnet min bror...mange ar har viet sine krefter til utvinning av opal tre jordens dyp (og i tidens lep har endevendt en...en betydelig mengde av berggrunnen i South Australia), og hvis utholdende stahet til overmel viser hvor...Klassiske Edelsten . Et system for vurdering av Opal Idette kompendium er nedfelt hovedutbyttet av mitt...langvarige bekjentskap med og interesse for australsk opal , inklusive atten rnaneder i gruvene - med labert |
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| NAGS-Nytt? • INNHOLD Et sy stem for vurdering av opal Av Svein O. Haugen . . . . . . . . . . . . . . ...har ment. » Red. 3 Et system for vurdering av Opal Av Svein O. Haugen Oversatt efter sjette utgave...mange ar har viet sine krefter til utvinning av opal tre jordens dyp (og i tidens lep har endevendt en...en betydelig mengde av berggrunnen i South Australia), og hvis utholdende stahet til overmel viser hvor...Klassiske Edelsten . Et system for vurdering av Opal Idette kompendium er nedfelt hovedutbyttet av mitt |
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| 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...Australian Museum, North Terrace, Adelaide, SA 5000, Australia; neville.curtis@flinders.edu.au College of Science...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 |
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| HARDER Einleitung Von allen Edelsteinen gilt der Opal von alters her als der Mysteriöseste . Der so auffällige...Plinius glänzen Farben verschiedener Edelsteine in dem Opal: so das rote Feuer des Karfunkelsteins (Granat)...zusammenstrahlen. Nach einem indischen Märchen soll im Opal eine betörend schöne Frau und Geliebte der Hindu-Gottheiten...wird im Fernen Osten, insbesondere in Japan, der Opal besonders geschätzt. In Europa galt er lange als...höchsten Preise erzielen. Edelopal und Gemeiner Opal Unter den Edelsteinen nehmen die Opale eine Sonders |
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| W©lli� TI� The bustling, dusty town of Coober Pedy. Opal worth many millions of dollars is mined here each...IV 1.OPAL - WHAT IS IT? .......................................... . 2.MODERN HISTORY OF OPAL ........4 3.THE OPAL FIELDS ............ . .. ............................... 7 4.TYPES OF OPAL ............CUTTINGSEAM OPAL ........... .... . ......... .... ...... . ... .. . 25 9. CUTTINGBOULDER. MATRIX AND FOSSIL...FOSSIL OPAL . ... .................. 42 10.THE MAKING OF OPAL DOUBLETS .. ..... ........ ..... .... |
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| jasper chalcedony. Same as jasp- agate. agate opal. See opal agate. agate shell. Same as agate snail, a...gem use. Almandite is the min- almandine AND matrix of crystalline quartz (or chalcedony quartz or...See amatrix. amatrix (abbreviation of American matrix). Same as amatrice which increases to this point...color of orangy- as in amber glass and amber opal. amber colophany. Same as amber pitch. amber drop...A reddish brown dis- tillation of amber. amber opal. Brownish-yellow variety stained by iron oxide. |
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| the front cover is a spectacular opal find from Mintabie, Australia, photographed by the author. The...The back cover pictures an opal mouse which was commissioned by and is in the collection of Paul and Bobbi...every new friend adds to my ever-evolving story of opal. I consider this story as a lifetime work still...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 |
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| Source of Gem 22 Demantoid Garnet 25 Leopard Opal – From the Lost Mines of the Aztecs? 32 Gemology...USA Campbell Bridges, Kenya Terrence Coldham, Australia Sushil Goyal, USA Nobuyuki Horiuchi, Japan A.H...Nobuyuki Horiuchi from Japan, Terrance Coldham from Australia and Phuket Khunaprapakorn from Thailand. The ICA...USA; Campbell Bridges, Kenya, Terrence Coldham, Australia; Sushil Goyal, USA; 6 InColor | Summer 2009 ...are ICA ambassadors to the named countries. Australia: Damien Cody Austria: Peter Rohm Belgium: Ilan |
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| IIINED IN AUSTRALIA. BY G. H. WILSON. ALMOST every variety of gem stones have been found in Queensland; but...for them has until recently been restricted to the opal and sapphire. The former gem exists in great profusion...considerable more exertion. The motion causes the heavy matrix to roll over the “riffles” across the sieves, the...quarry: One specimen of tourmaline with a quartz matrix is nine by twelve inches, and is an interrupted... 186 THE MINERAL COLLECTOR. quartz and muscovite matrix. This is a fine group, but the Bernstein beats |
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| with a diamond octahedron still embedded in its matrix trapped by the secondary diamond. 80 x 183 sion...the major gemstones found in Australia, with special reference to opal. Sapphires from Anakie and Inverell...beryl has been found at Harts Range in Central Australia. The topaz found in New South Wales has a prevailing...green colours. The opal fields of Queensland, New South Wales and South Australia are discussed. Diamonds... W . BATCHELOR (H. H . ) . Prospecting for opal matrix. Vol. X X , N o . 243, p . 205. October, 1951 |
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| basalt fields: a comparative study of Barrington, Australia, and West Pailin, Cambodia, gemfields F.L. Sutherland1...Geodiversity Research Group, Australian Museum, Sydney, Australia 2. Giibelin Gemmological Laboratory, Lucerne,...Caterham, Surrey, U.K. ABSTRACT: Barrington, Australia, and West Pailin, Cambodia, basalt fields yield... basalt, Barrington (Australia), Pailin (Cambodia) Introduction Fast Australia and South East Asia exploit...industries (Mumme, 1988; Hughes, 1990, 1997). East Australia produces sapphire and rare ruby (Coldham, 1985; |
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| West African coast. Red, blue akabar. agate opal. See opal agate. agate shell. Same as agate snail, a...wardite), occurring in gray, reddish or brownish matrix of crystalline quartz (or chalcedony quartz or...(abbreviation of American matrix) Same as amatrice which is the preferred American spell- opal. amber colophany...of amber, A reddish brown dis- amber. amber opal. Brownish-yellow variety stained by iron oxide....(an'a-glif). Same as cameo. Anakie sapphire. See Queensland sapphire. analyzer. A polarizer placed above |
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| in Pala and its big blue cap matrix pieces. (Continues on page 3 Opal Claudeen Chisholm & Bill Shelton...Shelton laeliason@msn.com The Name. Opal, at least the word itself, is attributed to several previous terms...necessarily was used to refer to the gem we know today as opal. The first use in English is attributed to Philemon...â– Opale French â– Opal English History. One source indicates several very early opal discoveries including...where opal was extracted in Eastern Africa. A tomb in Southern Mesopotamia (3000 BC) yielded opal as well |
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| 85 Value of Gemstones 126 Tourmaline Group Fire Opal 168 . | 85 Description of Gemstones 130 Spodumene...Zircon Petrified Wood 164 166 Opal Species 190 Azurite Precious Opal 166 —49 Malachite 194 Lesser-Known..._—_Ulexite 218 Apatite 210 Tiger’s-Eye Sphene 210 Matrix 218 Kyanite 212 : 220 Gemstones for Collectors...Cape-chrysolite Cape-ruby Ceylon diamond } Ceylon opal Copper lapis German diamond German lapis Gold topaz...Green prehnite Pyrope (garnet) Colorless zircon Opal-like glimmery moonstone Azurite Rock crystal (quartz) |
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| PAULINE TREASURE HUNTING GETTING THE BEST FROM YOUR OPAL ROUGH MINERAL COLLECTING IN DERBYSHIRE CIRE PERDUE...white root £1 per lb. 8Op per lb QUEENSLAND AGATE — Australia Nuts, whole unbroken AGATE with all...lb. Buttons, inlay and tumbling 6' MOOKAITE — Australia High quality Yellow/Red/Fawn/White, Agate Hardness...10p p&p. FIRE OPAL, BLACK OPAL, GREEN-FLASH OPAL, BLUE OPAL, MEXICAN OPAL, GREEN OPAL, ROSE DIAMOND,...detect, as it much resembles quartz when seen in matrix. Not only were new deposits uncovered, but many |
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| Indian Ocean region. See accarbaar. agate opal. See opal agate. or Aquama¬ a jour together waste... A reddish brown dis¬ tillation of amber. amber opal. Brownish-yellow va¬ riety stained by iron oxide...wardite), occurring in gray, reddish or brownish matrix of crystalline quartz (or chalcedony quartz or...See amatrix. amatrix (abbreviation of American matrix). Same as amatrice which is the preferred American...of orangy yellow amber as in amber glass, amber opal. amber colophany. Same as amber amaryl. sources |
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| Diamonds Durward Howes UI Cornelius S. Hurlbut Idaho Opal & Gem Corporation International Mines Outlet Craig...Lehrer Designs Jack Lowell Jurgen Maerz Manning Opal & Gem Co. Marshall Martin Kay Morrow Pascal Mouawad...from the Ural Mountains, USSR Treated Andamooka Matrix Opal - - Limited quantities of theseJsspes a tillavailable...Hole Peridot Fluid Inclusion Study of Queretaro Opal Natural-Color Nonconductive Gray-lo-Blue Diamonds...Irradiation and Radioactivity Amethyst from Brazil Opal from Opal Butte, Oregon Kyocera's Synthetic Star Ruby |
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| ..................... 24 Aragonite Geodes in Australia by Sydney R. Oats ........................ 36...Gem Identification Home Study Course I plus free Opal Color Plates. I O Catalog of Professional Jewelers...Switzerland, Germany and Italy through their agents. In Australia, Australian Abrasives Pty. Ltd., will continue...assemble some machinery for convenient shipping in Australia and the Far East. In Taiwan, Gem Master Tools...because of large stocks bought during 25 years of Opal Trading. CUT AND POLISHED SOLID OPALS FROM COOBER |
Queensland, Australia