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November 2014 Figure 2. Split pair of boulder opal from Quilpie, Queensland. Specimen is 4.5 × 3.5 cm. Museum...MINERALS Figure 3. Opal pseudomorph after gastropod from Coober Pedy, South Australia. Specimen is 1.5...photo. Figure 4. Example of superb precious black opal from Lightning Ridge, New South Wales. D. Barnes...South Wales Mineral Resources, photo. Australian Opal Resources Outback Spectral Fire Downloaded by [UQ...Gem Resources Australia Pty. Ltd. PO Box 300 Ourimbah, New South Wales 2258 Australia specover@bigpond |
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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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nature which was later to include our beautiful opal. Though Len never finished his formal education...Ridge, I spent quite a lot of time with Len in his opal research laboratory. I quickly learned that he was...amorphous silica science, that scientists from Australia and around the world continue to make contact...especially the many complex forms of the Queensland Boulder Opal. He has been £nvolved in every aspect of...pictorial. Gan Bruce Beautiful Australian Opals opal possesses a fascination no other gemstone has. Everything |
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Letters FEATURE ARTICLES 4 16 p. 11 Queensland Boulder Opal Richard W . Wise Update on Diffusion-Treated...Suggestions for Authors ABOUT THE COVER: Australia is the world leader in opal production. Some of the most attractive...state of Queensland. The article by Richard Wise in this issue provides on overview of Queensland boulder...illustrated here-shown on a classic opal-bearing Queensland boulder-all have some of the ironstone matrix...matrix as a backing. The large gem opal is 47.05 x 37.65 x 8.36m m thick; the smallest piece is 13.44 x |
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Pa vag mor opalfy ndigheterna i Nordvdstra Queensland till min 2-manaders expedition dar jag kord e...undersokte jag mitt fynd.En fargskimrande svart opal hade antlige n hitt ats efter manaders slit i gruvo...aven konsten att slipa opal er dar. Da de egna gru voma inte alltid producerade opal, kund e jag pa det viset... Andamooka, Cober Peedy oeh Mintabie i South Australia. Dar har jag huvudsakligen letat efter de ljusa...kommit att intressera mig for opalfyndigheterna i Queensland. Dessa fait ar ofta srna oeh utspridda over valdiga |
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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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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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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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LIMITED 118 Hayward Avenue, Torrensville South Australia 5031 Telephone: (08) 8238 0888 Facsimile: (08)...23 VISIT THE HOME OF BOULDER OPAL Welcome to Quilpie in south-west Queensland 26 THE WHEEL OF FORTUNE...Diggers Rest, Cl Post Office, Mt. surprise, Queensland, 487 1. Another noticeable change in the area...various coils on a range of objects anywhere in Australia Please phone for a free catalogue ofprospecting...Mountain Stream • Unlike their counte,parts in Australia, at least New Zealand dledgers found a sympathetic |
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Australian Opal Symposium & Updates Padparadscha Coloration Pantone's Color of the Year Latest Auction...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...Way Forward Australian Opal Mining – 18 A Model for Responsible Mining Frozen Opal Fluids and Colloidal...Colloidal Crystal Fire: Gem Opal Deposits in the Heart of Australia Water in Opal -- What Can It Tell Us? The |
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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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JEWELRY TV A Worldwide Retail Window Australian Opal Symposium New Purple Garnet From Mozambique Victor...JEWELRY TV A Worldwide Retail Window Australian Opal Symposium New Purple Garnet From Mozambique Victor...Challenges and Perceptions Mining 16 Australian Opal Symposium: A Comprehensive Overview Cover Feature...province attracted tourists from Canada, America, Australia and Europe. Now, however, only the Chinese traders...attacking the grading labs who, from Australia about a possible CIBJO opal guide, which would he said, do |
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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 ............ .......... . ....... ...... 22 8.CUTTINGSEAM OPAL ........... .... . ......... .... ...... . ... ...CUTTINGBOULDER. MATRIX AND FOSSIL OPAL . ... .................. 42 10.THE MAKING OF OPAL DOUBLETS .. ..... ... |
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Annual Show: " A Collecting Trip to Outback Australia in 2007" This Weekend! November 21-22 Alliant...undertook a long-anticipated collecting trip to Australia, spending all but a few days of the 6 weeks on... after which they drove to Adelaide in South Australia, where they embarked upon the Outback trip to...Coober Pedy, where they toured the opal minefields and "noodled" for opal on the old mine-dumps. Then they...destinations in Australia. From there, they proceeded to Alice Springs in North Australia, and nearby GemTree |
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THE GEM VARIETIES OF OPAL By RALPH C. GOSSE Albany, New York Introduction This paper is by no means...the many varieties, occurrences, colors, of the opal. Those only of gem quality will be treated here...groups, precious and common. Precious Opal: Any variety of the opal showing a play of color, regardless..."precious" used in connection with opal does not necessarily infer value, an opal may be of the precious variety...not gem quality, and vice versa. Common Opal: Any variety of opal which has no play of color, regardless |
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Afghanistan A large contour polished free-form boulder having a delicate pink color, exhibiting fluorescence...LARGE AND EXCEPTIONAL CHRYSOCOLLA BOULDER Peru A large, decorative boulder of monumental size, completely...CHRYSOPRASE BEAD NECKLACE Australia Relatively unknown outside of Australia is this bright chartreuse...2089A LEMON CHRYSOPRASE CARVING DEPICTING HORSES Australia Expertly carved by a Chinese lapidary artist,...evidence of enhancements.. 2130 GARNET IN MATRIX Australia A large display specimen having eight or nine |
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Affiliated Associations: GeDlDlological Association of Australia Canadian GelnDlological Association Rhodesian...11 N o . 2 A P R I L 1968 MINERAL MINING IN QUEENSLAND By VICTOR G. C. NORWOOD T H E warning, crudely...of investigating geological reports of sapphire, opal, a n d agate discoveries in areas previously considered...long been suspected that extensive sapphire a n d opal fields remain to be discovered in arid regions of...insulators, etc., has been opened in Cairns, North Queensland. 31 I h a d been guaranteed 5s. per p o u n |
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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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EYLES TO VISIT AUSTRALIA Editor R&M: This fall I intend taking a prolonged visit to Australia, my native...Honolulu, Hawaii; Suva, Fiji Islands; and Sydney, Australia, on the 3rd day. I know you are interested in...many localities in Australia. This trip will be considered an expedition —Australia-American Mineral Expedition—and...rhodonite, wulfenite, etc. I will take in all the famous opal fields which are widely scattered from Lightning...Wales, and up to Queensland where the beautiful boulder opal is found. In South Australia I will visit Moonta |
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EYLES TO VISIT AUSTRALIA Editor R&M: This fall I intend taking a prolonged visit to Australia, my native...Honolulu, Hawaii; Suva, Fiji Islands; and Sydney, Australia, on the 3rd day. I know you are interested in...many localities in Australia. This trip will be considered an expedition —Australia-American Mineral Expedition—and...rhodonite, wulfenite, etc. I will take in all the famous opal fields which are widely scattered from Lightning...Wales, and up to Queensland where the beautiful boulder opal is found. In South Australia I will visit Moonta |
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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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AUSTRALIAN BOULDER OPAL OCTOBER 20.5 x 13.5 x 5.5cm I photo by Jim Wells Colorful boulder opal is an excellent...who enjoy one-of-a-kind stones. Mined in Queensland, Australia, it consists of ironstone or sandstone matrix...matrix interlaced with precious opal. 2023 MONDAY SUNDAY 8 TUESDAY WEDNESDAY THURSDAY FRIDAY |
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from my Rockhound friends from Down Under in Australia. As I carefully unwrap the expertly packed specimens...Simpson Desert, South Australia, Crocoite from Tasmania, a few pieces of fire opal from world Goober Pedy...Pedy and Andamoka, Bornite and Boulder Opal from Queensland, and Molybdenite from New South Wales, etc...of Alice Springs, in the geographical heart of Australia, with places marked on the map where my rockhound...friends visited and collected. And all of a sudden Australia no longer seems a remote place for us to visit |
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collecting in Australia is like through a letter from Mrs. Emmett McCartney, of Queensland. I've had further...McCartney, 167 Cribb Parade, Cribb Island, Queensland, Australia, has asked that I give readers some idea...has Lightning Ridge Opal and boulder opal from Eromanga. She also reports having opal that is banded like |
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from the hobby by Jordan D. Marché II Boulder and Matrix Opal Fiery veins stand out in host rock The... JULY AND AUGUST OPAL SPECIAL: ROUGH OPAL PARCEL FROM LIGHTNING RIDGE AUSTRALIA. LR15B-3oz: Three ounce...ounce rough opal lots from Grawin/Mulga and Lightning Ridge Opalfields in New South Wales Australia. This is...is a potch and color grade of rough opal with lots of possibilities and lots of color at a very affordable...color” opal grade. $135.00 plus $9.25 shipping for a 3 ounce lot (93.3gm). There are many more opal lots |
Yowah opal field, Paroo Shire, Queensland, Australia