 | | Journal (article/letter/editorial) | | SapphireExploration in the New England Gem Fields, New SouthWales, Australia ROBERT R. COENRAADS Schoolof...2109, Australia Abstract Key areasfor diamondand sapphireexplorationmaybe definedwithin the New England...and the other at 19 to 23 Ma--were controlledby south-southeast-north-northwest-trending fracturesetsrevealed...locusof volcanismsteppedwestwardwith time from the Glen InnesBenLomond-Guyraarea(the EastCentralprovince)to...AnTHE Central province, in northeasternNew South akie field). Wales, is one of a number of Mesozoic-Cenozoic |  | | Book | | nearBukkulla), AppleTree Gully,HorseGully,MaryAnn Creek,Viversor Kings PlainsCreek,CopesCreek(in old tin-bearingwash...ClairvaulxCreek(14 km northwestof GlenInnes), Reddestone Creek,Dirty Creek(nearBaldNob),MarowanCreek,the Mitchell(Mann)River...PondsCreek,Stoney Creek(5 km east of Tingha),0llera (or Georges) Creek,Moredun Creek,ParadiseCreek,NewsteadCreek...FurracabadCreek,in the SevernRivernearDundee,Kellys Hut Creek,HenryRiver,SnowyCreek(nearEbor),The Backwater (8...TilbusterPonds(5 km north of Armidale), Puddledock Creek,SkeletonCreek,PerrysSwamp(16 km east of GlenInnes) |  | | Journal (article/letter/editorial) | | origin of sapphires" U-Pb dating of zircon inclusions sheds new light ROBERT R. COENRAADS School of Earth...Earth Sciences, Macquarie University, NSW, 2109, Australia F. LIN SUTHERLAND Division of Earth Sciences,...Museum, 6-8 College Street, Sydney, NSW 2000, Australia AND PETER D. KiNtqv Research School of Earth...Canberra, ACT 2601, Australia Abstract Uranium-lead isotope dating of two zircon inclusions in sapphires...of basalt potassium-argon ages of 19 to 38Ma and zircon fission track ages of 2 to 49Ma for the timing |  | | Journal (article/letter/editorial) | | Sydney Locked Bag 1797, Penrith South DC New South Wales 1797, Australia l.sutherland@uws.edu.au GAYLE...Australian Museum 6 College Street, Sydney New South Wales 2010, Australia gayle.webb@austmus.gov.au Downloaded...Besse. D eep under the eastern highlands of Australia, along a 2,000-mile (3,200-kilometer) corridor...corundum. Along with other gem minerals such as zircon and more prosaic grades of corundum, this hidden...most mining since then has been in the New England, New South Wales, and Anakie, Volume 82, March/April |  | | Book | | IN NEW SOUTH WALES ~MINERAL ~RESOURCES SAPPHIRES A CLASSIC GEMSTONE A sapphire is one of the most...marketed. Many of the sapphires mined come from New South Wales, where the blue sapphires have a deeper colour...stones (see photos below) . In 1993/1994, New South Wales' production was valued at $16.9 million (about...minerals in their own right, and are not corundum. New England sapphires Below: brilliant cut blue sapphire...Right: 'parti-coloured' sapphire Cut blue and gold New E11gla11d sapphires Sapphires which are not of gem |  | Henley, H. F., Brown, R. E., Brownlow, J. W., Barnes, R. G., Stroud, W. J. (2001) Grafton-Maclean Metallogenic Map (SH/56-6, SH/56-7) Metallogenic Study and Mineral Deposit Data Sheets. Geological Survey of New South Wales | Report (issue) | | N. CRAMSIE, DIRECTOR GEOLOGICAL SURVEY OF NEW SOUTH WALES i Original typing: Review: Cartography: Cover...from the coast south of Evans Head (see Photograph 12). Insets are: cut blue and gold New England sapphires...Survey of New South Wales, Sydney, xii + 292 pp, with CD-ROM. Edited by: R.A. Facer © New South Wales Department...northeastern New South Wales and extends over a significantly mineralised portion of the southern New England...large part of the Clarence-Moreton Basin in New South Wales, and includes parts of large Tertiary volcanic |  | | Journal (issue) | | the rear facets into the centre of the stone. The new 'inclusion' was easily visible to the unaided eye...4730.2 ir\ ^O e u ir> ir> T3 C co ro J2 a CO CO ĂC _C J3 '>> "H. 'âą5 «S dĂ» .5...the USA, John Koivula gave me a piece each of a new 'blue enhanced opal' and the material before treatment...about 3 kilometres north of Mont Itongafeno, and south west of Antsirabe. The beryl crystals possessed...about 50 kilometres west-south-west of Mananjary, and about 250 kilometres south-east of Tananarive. © Copyright |  | | Journal (issue) | | the rear facets into the centre of the stone. The new 'inclusion' was easily visible to the unaided eye...4730.2 ir\ ^O e u ir> ir> T3 C co ro J2 a CO CO ĂC _C J3 '>> "H. 'âą5 «S dĂ» .5...the USA, John Koivula gave me a piece each of a new 'blue enhanced opal' and the material before treatment...about 3 kilometres north of Mont Itongafeno, and south west of Antsirabe. The beryl crystals possessed...about 50 kilometres west-south-west of Mananjary, and about 250 kilometres south-east of Tananarive. © Copyright |  | | Journal (issue) | | HUNTS Collecting Diamonds and Making Memories 38 GLEN INNES AND INVERELL BLUE By Antoinette Rahn REGULAR.......16 Bench Tips ..........................18 New Sites of Sapphire Appreciation âDown Underâ Club...Community Outlook ............74 A Sneak Peek at A New Column and Series SUBSCRIPTION QUESTIONS? Rock &...visiting a public dig site? âą Have you discovered new materials, techniques, or equipment youâve used in...the July edition of Rock & Gem, weâre unveiling a new limited-edition column in this issue, Sneak Peek |  | | Journal (article/letter/editorial) | | An unusual sapphire-zircon-magnetite xenolith from the Chanthaburi Gem Province, Thailand ROBERTR. COENRAADS...Association of Australia, Gemmology House, 24 Wentworth Ave, Sydney, N.S.W. 2000, Australia PONGSAKVICHIT...College Street, Sydney, N.S.W. 2000, Australia Abstract A sapphire, zircon and magnetite-bearing xenolith from...demonstrates a common origin for the sapphire, zircon and magnetite found in alluvial deposits in the...immiscible liquid. Uranium-lead isotope dating of zircon in the xenolith gives an age of 1 - 2 (_+ <1) million |  | | Journal (issue) | | of Eastern Australia Conservation gemstones: Beyond fair trade? Dior unveils sparkling new jewelry collection...Mining A trip around the gem fields of Eastern Australia Ethical Mining and Fair Trade Conservation gemstones:...update Art and Jewelry Dior unveils sparkling new jewelry collection at Biennale des Antiquaires exhibition...unique high-end jewelry pieces set with stones with new distinct tones of blue, yellow, green, pink, purple...unusual precious stones and colors in jewelry opens new avenues for the gems and jewelry industry. Sourcing |  | | Journal (issue) | | with Sapphires in the New England Placer Deposits, New South Wales, Australia Karl Schmetzer, Franca...AND NEW TECHNIQUES 50 Identification of âPistachioâ Colored Pearls Treated by Ballerina Pearl Co. Chunhui...Janse Benjamin Rondeau Tokyo, Japan Perth, Australia Nantes, France Timothy Adams E. Alan Jobbins...Lu Wuyi Wang Paris, France Wuhan, China New York, New York Gaston Giuliani Thomas M. Moses Christopher...Christopher M. Welbourn Nancy, France New York, New York Reading, UK Jaroslav HyrĆĄl Nathan Renfro |  | | Book | | INTERNATIONAL BOOKS OXFORD MUNICH TOk'YO LONDON NEW DELHI TORONTO BOSTON SINGAPORE SYDNEY WELLINGTON...130 Arab Republic of Egypt 132 Argentina 132 Australia 133 Austria 135 Brazil 135 Bulgaria 155 Canada...Mongolia 181 Mozambique 183 Myanmar 183 Namibia 184 New Guinea 184 Nigeria 184 Northern Ireland 186 Norway...Republic of China 188 Portugal 189 Republic of South Africa 189 Saudi Arabia 190 Spain 190 Sri Lanka...Brazil; Ora M.H. Falabella, Brazil; Dr T. Lee, Australia; Sr W. Leite, Brazil; Dr M. Menzies, Canada; Mr |
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