 | | Book | | ' ā¢ t IN COLO~ Ā· 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...and do at Lightning Ridge, Coober Pedy, Andamooka, and on the Queensland opal fields. It also covers the...the scientific nature of opal and describes how the gem is cut and worked. In 86 superb colour plates...plates it display Australian opals and opal jewellery in al I their beauty: gives glin1pses of the areas in |  | | Book (edition) | | Second Edition GEMOLOGICAL INSTITUTE OF AMERICA 541 South Alexandria, Los Angeles 5 1945 Copyright, 1945...addressed to: The Gemological Institute of America, 541 South Alexandria, Los Angeles 5, California. he Companion...molluse Haliotis, also known as an ormer or ear-shell. From Pacific waters of California, Mexico, Japan...pose of closing- the shell. āAdelaide ruby.ā Blood-led pyrope (garnet) from South Africa. adinol. A silicified...objects, which are generally sold as soapstone in North America. Soft (H. 1-3; S.G. 2.7-2.9), compact, greenish |  | | Journal (issue) | | cabochon, especially heat-sensitive stones like opal and turquoise. A phenolic spool replaces the old... 67 CUTTING CLAMS Nature's products yield the ~opal" look by Willard Peters 69 SOMETHING DIFFERENT...Treasurer 8810 37th S.W., Seattle, WA 98126 SOUTH CENTRAL FEDERATION OF MINERAL SOCIETIES Offlcera Harry...additional Information ant! requests to the South Central Federation. A BREAKTHROUGH FOR ROCKHOUNDS...- I 22" long, temporarily strung - 2ā¢4mm Pen Shell ...... $ .85 Mosaic ...............$ 2.95 Olive |  | | Book (edition) | | 22 23 24 25 26 27 28 29 30 31 Spodumene Quartz Opal Turquoise Lapis Lazuli Jade ā Geology and Mineralogy...to note that these include contributors from Australia, Canada, Germany, Thailand, Vietnam, the UK and...Gemstonesā becoming āColour and Colour Enhancementā, and āOpalā xiii Preface to the Fifth Edition being extracted...Pierre Gilson including, most importantly, synthetic opal, both white and black, and a corresponding ingenuity...stoneā, a special type of glass closely resembling opal in appearance. Quartz, which for many years has |
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Coober Pedy, Central North, South Australia, Australia