 | | Book | | this purpose; Mrs Pat Simpson for the coronet of agate and topaz, Bert Scheps, F.G.A.A. for opal and carnelian...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....wish to learn about the minerals and gems of Australia. PREFACE gemmologists, mineralogists in a specialised |  | | Calendar | | January Januar Janvier Gennaio 2010 Agate. Mt. Hay, Queensland/Australia. Height 9,7 cm. Coll. Don Kayes...February Februar Fevrier Febbraio ' If 2010 Agate, Mexico. Height 9 cm. Coll. Dietrich Mayer. Photo...3 4 5 6 ■ Marz Mars Marzo 8 910111213 2010 Agate. Aouli, Morocco. Height 9 cm. Coll. Dietrich Mayer...>\V ■. .: : April April Avril Aprile 2010 J Agate. Kentucky, USA. Height 8 cm. Coll. Gabriele Berndt...Maggio 3 4 5 6 7 8 9 10 11 12 Agate. Mt. Hay, Queensland, Australia. Height 12 cm. Coll. Don Kayes. |  | | Book | | revise) © 1976, 1985, 1992 Reader’s Digest (Australia) Pty Limited © 1992 Reader’s Digest (New Zealand)...& Geophysics. Published by Reader’s Digest (Australia) Pty Limited 26-32 Waterloo Street, Surry Hills...citrine and above is a polished thunder egg of agate. Contents Page 4 6 8 14 34 36 46 48 50 What...identification Prospecting for gold Gemstone areas of Australia The collector's gear Polishing and cutting Fossicking...minerals are widely distributed over the surface of Australia, but some areas, because of different geological |  | | Journal (issue) | | 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...destinations in Australia. From there, they proceeded to Alice Springs in North Australia, and nearby GemTree...flew to Cairns, on the east coast, in tropical Queensland, where they picked up a 4-wheel-drive Bushcamper |  | | | | Crystallite growth kinetics in nanocrystalline quartz (agate and chalcedony) T. MOXON1,* 1 2 AND M. A. CARPENTER2...2009] ABSTR ACT Crystallite growth in natural agate samples has been investigated at temperatures of...at 550ºC. Limited growth was obtained when small agate cubes were heated in an open furnace up to 122 d...crystallite growth rate law does not describe natural agate growth quantitatively but a qualitatively similar...similar pattern is observed. K EY WORDS : agate, chalcedony, moganite, crystallite growth, XRD, Zener pinning |  | | Book | | can be found. Ii r ·Iii Ill ! Ill ,, Agate Agate (Moss) Amethyst Beryl Carnelian Chalcedony Chert...15 16 17 18 19 20 21 22 23 24 Sydney , .. Agate is a form of chalcedony made up of differently coloured...markings due to impurities trapped within. Banded agate gets its name from the bands of delicate parallel...are generally wavy or circular. The beauty of the agate depends on the colour, brilliancy and character...portion of the stone. AGATE Moss Agate Moss AGATE is a beautiful variety of agate whose cut and polished |  | | Journal (article/letter/editorial) | | James Cook University, Townsville, Qld 4811, Australia Received 13 September 2006; accepted 13 August...for the Proterozoic Mount Isa Inlier, northwest Queensland has been substantially revised to match insights...Formation, Staveley Formation, Marimo Slate and Agate Downs Siltstone are now known to have been deposited...Kathleen Group and given the informal name ‘Young Australia Group’. The Kuridala Formation has been included...Soldiers Cap Group. The rock units within the Young Australia Group are likely to be lateral facies equivalents |  | | Journal (issue) | | 7(1):15-17 Bismoclite from the Leinster area, Western Australia. Grguric, Ben A. and Madsen, Ian C. 8(2):83-8S...copper minerals of the Crusader mine, north-west Queensland. Sharpe, James L. and Williams, Peter A. 8(2):72-74...minerals from the Nifty copper mine, Western Australia. Downes, P.J., Shields, P. and Bevan, A.W.R. 8(2):47-S4...from the British Empire mine, Arkaroola, South Australia. Plimer, Ian R., Besley, Robert and Brugger, Joel...Mendozavilite from the Fitzgerald River district, Western Australia. Birch, William D., Pring, Allan and Wallwork |  | | Journal (issue) | | 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...investigating geological reports of sapphire, opal, a n d agate discoveries in areas previously considered to b...commercial possibilities of agate, a n d a small factory for cutting a n d polishing agate, a n d for the manufacture...manufacture of agate jewellery a n d components used for electrical insulators, etc., has been opened in |  | | Journal (issue) | | Victoria (1997) 19:38 Birch, W.D. (ed.) Zeolites of Australia (1989) 15:38 Bariand, P. & Bariand, N. Minereaux...Museos Espanoles de minerales (1990) 11:49 Moxon, T. Agate microstructure and possible origin (1996) 18:37...spodumene 16:10 PANSHIR beryl var. emerald 13:67 AUSTRALIA NEW SOUTH WALES Allies Mine, Deepwater molybdenite...Alice Springs quartz 19:28 QUEENSLAND Agate creek, Cobbold Gorge quartz var. agate 19:27 Deadlock Mine quartz...19:24 Duck Creek, Cloncurry beyerite 19:28 Great Australia Mine atacamite 19:24,27 azurite 19:24 brochantite |  | | Journal (article/letter/editorial) | | 1223–1244 A re-examination of water in agate and its bearing on the agate genesis enigma TERRY MOXON 55 Common...atmospheric water vapour pressure conditions. After agate acclimatization at 20°C and 46% relative humidity...problems have consequences for water quantification in agate and chalcedony using infrared or thermogravimetric...thermogravimetric techniques. Mobile and total water in agate is considered in relation to host-rock age, mogánite...contents allowing comment on quartz development and agate genesis. The water data also supports previous claims |  | | Journal (article/letter/editorial) | | wildfire throu,gh Queensland and the other States. "Telegraph"-Brisbane. Australia Many of the multitude...minerals. The variety of gemstone material in Queensland is tremendous, and the richness of some of the...the Great Artesian Basin, most of which is in Queensland, were found. SAPPHIRES At Marlborough, north...chalcedony with its many varieties (agate, moss agate, iris agate, sard, onyx, carnelian, chrysoprase |  | | Book | | Images Front cover top Agate from Germany: bottom Agate from Scotland. Back cover Agate from Germany. Title...Title page Agate from Russian Arctic coast. Distribution NBN International Estover Road Devon PL6 ?PY UK...Introduction 4 Names of agates 6 What is an agate? 10 Properties of agates 44 Sources of agates... South America 122 Africa 131 Asia 138 Australia 144 Lapidary 150 Uses of agates through the...geological environments. Si nce the mid-1900s, agate collecting has become very popular in Europe, North | | | | | images Front cover top Agate from Germany; bottom Agate from Scotland. Back cover Agate from Germany. Title...Title page Agate from Russian Arctic coast. Distribution NBN International Estover Road Devon PL6 7PY ... Contents Introduction Names of agates What is an agate? Properties of agates Sources of agates Europe...USA Canada Mexico South America Africa Asia Australia 108 111 122 131 138 144 Lapidary 150 Uses...different geological environments. Since the mid-1900s, agate collecting has become very popular in Europe, North |  | | Journal (article/letter/editorial) | | Magazine, October 2006, Vol. 70(5), pp. 485–498 Agate and chalcedony from igneous and sedimentary hosts...fibrous and granular regions of these agates. One agate shows a partial transformation of the petrographic...in agate could serve as an indicator of palaeoheating within the parent rock. K EY WORDS : agate, chalcedony...is known as agate. Agate with banding in concentric zones is defined as walllining agate. The banding...crystallization process and textural changes. Less often, agate appears as horizontal banding that is presumed to |  | | Journal (article/letter/editorial) | | at 19:55 23 August 2013 Agates from Western Australia Found in a 3,480-Million-Year-Old Host Rock TERRY...structure, whereas chalcedony reveals a fibrous growth. Agate is banded chalcedony. Figure 1 (above). The arid...distributed; the greatest diversity is found in Australia, Brazil, Germany, Mexico, and the United States...The beautiful reds and yellows that are found in agate are due to trace amounts of amorphous iron oxides...of even older agate hosts is not new. Agates from the 2.72 Ga Chichester Range, Australia, were listed |  | | Journal (issue) | | 9 EFMLS: Wildacres in autumn .......... p. 15 Agate classifications: Part 2 ............ p. 16 Auction...or check. ing,” the fine art of walking about Australia and collecting rocks for recreation. In addition...presentation by club member Steve Hill. Steve lived in Australia for several years and was actively involved in... and gemstones, Northern Territory and Queensland, Australia Kathy Hrechka: Recently taken microphotographs...spoke about his adventures while fossicking in Australia. Photos: Sheryl Sims. New Business The president |  | | Journal (article/letter/editorial) | | 2017 7 Campbell Court Warrandyte, Victoria 3113 Australia mal.southwood@bigpond.com R Robert Sielecki...copper mine, Gunpowder district, in northern Queensland, Australia, where it occurs, very sparsely, in association...the Girilambone copper mine in New South Wales, Australia (Chapman, Sharpe, and Williams 2005), and Wheal...MINERALS obert Sielecki was born in Melbourne, Australia, on 6 June 1958, the son of Tadeusz (Ted) and...South Wales, and he still owns some of those early agate specimens. His interest in minerals began a little |  | | Journal (article/letter/editorial) | | want to tell you about our collecting of Montana agate from Glendive to Miles City along the Yellowstone...What a wonderful lot ROCKS AND MINERALS of nice agate we spotted this way! We collected at different points...done the morning before at Glendive. We got some agate at Miles City but nothing to compare with what we...21207, is of the opinion that it is a 'dendrite agate'. Under a lOx magnifying glass the dendrites show...Texas. 76066. Your attractive specimen is a red agate with a whitish chalcedony crust which fl. pale greenish—s |  | | Journal (article/letter/editorial) | | and genesis of horizontal banding in Brazilian agate: an X-ray diffraction, thermogravimetric and electron...banded and wall-lining agate, a silica infill seals the gap between the agate and the cavity wall. The...opal-CT ? opal-C ? chalcedony pathway. K EY WORDS : agate, chalcedony, mogánite, cristobalite, horizontal...varieties in which the colour is fairly uniform and agate, in which the colour is arranged in bands (Deer...2013 The Mineralogical Society In some cases, agate contains a small amount of co-deposited calcite |  | | Catalog/List | | l½ 11 2/6d., AMBLYGONITE Coolgardie, Western Australia. Massive white cleavable. lxl 1/-, lx2 2/6d.,...15/-. Variety: CHIASTOLITE Mount Howden, South Australia. Lar�e rough xls exhibiting cross or pattern growth..., 4 11 6/-. ANGLESITE Broken Hill, N.S.W., Australia. Glassy white to grey xline to xled. lxl 2/6d... 2x3 25/-. ATACAMITE Ravensthorpe, Western Australia. Green, nodular, radiating xline. lxl 3/-, lx2...sections. ½" to 111 2/- each. Londonderry, Western Australia. Pale green glassy xline. Pure. Fine specimens |  | | Journal (article/letter/editorial) | | minerals Review Agate Genesis: A Continuing Enigma Terry Moxon 1 and Galina Palyanova 2,3, * 1 2 3 ...discussions based on observations on host rock and agate thick sections. Over the next 25 years, experimental...identifying the physical and chemical properties of agate. The outcome of this work has allowed limited evidence-based...evidence-based comment on the conditions of agate formation. There is a general consensus that agates...Keywords: agate; chalcedony; XRD; genesis; moganite; crystallite growth; age 1. Introduction Agate and chalcedony |  | | Journal (article/letter/editorial) | | interesting agate from her state. The specimen is a gray and white banded ruin or brecciated agate—the gray...gray bands scattered in all directions. "This agate comes from the top of a mountain in Fulton County,...W. Wisconsin. "There has been quite a boom in agate business in this city also, with some beautiful...hundredweight. AUSTRALIA—An item from Kelvin Green, Y.M.C.A. Pitt Street, Sydney, N.S.W. Australia, reads as...are. Mine is going to the University of West Australia. "The old postal address still holds good but |  | | Journal (issue) | | . . . . . . . . . . . . . . Opal i\Iining in Australia. By P. Orm.~by L e111101i.................. Oecu...no means of frequent occurrence. Australia Not only is Australia the greatest producer of c;>pal, but...stones. This fact has had a double effect in that Australia has almost entirely supplanted Hungary as a source...toria in South Australia, but the large and important fields are located in Queensland and New South Wales...opals were produced in Queensland and l.'.3 76,000 worth 1n New South Wales. Queensland opals were first discovered |  | | Journal (article/letter/editorial) | | wildfire throu,gh Queensland and the other States. "Telegraph"-Brisbane. Australia Many of the multitude...minerals. The variety of gemstone material in Queensland is tremendous, and the richness of some of the...the Great Artesian Basin, most of which is in Queensland, were found. SAPPHIRES At Marlborough, north...chalcedony with its many varieties (agate, moss agate, iris agate, sard, onyx, carnelian, chrysoprase |
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Agate Creek fossicking area, Etheridge Shire, Queensland, Australia