 | | Journal (issue) | | 664 J.Gemm.,l985,XlX,8 THE KATLANG PINK TOPAZ MINE, NORTH WEST FRONTIER PROVINCE, PAKISTAN. By WILLIAM...Gh ari Ru ins. The hillock containing the Katlang Mine can be seen at the indicated point near the edge...hari Ruins. The hillock cont aining the Katlang Mine can be seen at the indicated point near the edge...geologist Syed Iftikhar Hussein, production at the mine has been steadily increasing since the Gem C P started...of other specimens reported to have come from the mine, are as follows: RI 1.630 1.632 1.640 Birefringence |  | | Journal (article/letter/editorial) | | DC 20560 pohwatp@si.edu Alabandite Uchucchacua Mine, Oyon Province Lima Department, Peru T he Swedish...also may occur as twinned crystals, typically as spinel-law twins. Alabandite possesses perfect cleavage...2013 Figure 1. Spinel-twinned alabandite with rhodochrosite from the Uchucchacua mine, Oyon Province...massive or well-developed cleavages. So it was a surprise to collectors the world over to learn during the...alabandites from the Uchucchacua mine. In the United States the western states have provided the best examples |  | | Report (issue) | | monthsâ in the Big Bear orebody in the Fletcher mine, Viburnum Trend, Reynolds County, Missouri; these...include many which show large, sharp, lustrous spinel-law twins of galena. Now an April 8 update to the...specimens are those which show platy, very thin spinel-law twins with hexagonal profiles, some exceeding...rhombohedrons. There are major price differencesâthe spinel-law specimen shown here costs $675 while the specimen...========ï„ Galena spinel-law twin, 6 cm, from the Big Bear orebody, Fletcher mine, Viburnum Trend, Reynolds |  | | Report (issue) | | OF WESTERN AUSTRALIA MINERAL RESOURCES BULLETIN 13 COPPER MINERALIZATION IN WESTERN AUSTRALIA by R...Library of Australia card number and ISBN 0 7244 8002 11 1 PREFATORY NOTE Western Australia has never...D DIVERSITY OF COPPER MINERALIZATION I N WESTERN AUSTRALIA The geological setting: tectonic provinces....................................... Whim Creek mine ...................................................................................... Mons Cupri mine ............................................... |  | | Journal (article/letter/editorial) | | with active serpentinizing fluid vents and some mine wastes. IR has clear application for the detection...these conditions at the expense of brucite and Cr spinel, based upon mineralogical evidence [10], presumably...inorganic carbon (DIC) [11] with brucite and Cr spinel as MgCr2 O4 + 5Mg(OH)2 + CO3 2â + H2 + 6H2 O =...mineralsâ type locality at Stichtite Hill, Tasmania, Australia, in order to assess the extent to which trace...Study The stichtite occurrences of Tasmania, Australia are hosted by serpentinized mid-Cambrian ultramafic |  | | Journal (issue) | | Aftiliated Associations I Gemm.ological Association of Australia: Canadian Gemm.ological Association: Rhodesian...identification was provided by a careful reading on the spinel refractometer, which showed the stone to be uniaxial...unresolved doublet. Mention m a y also be m a d e of a surprise to all of us when a colourless cabochon stone...mainly occur as discrete individual crystals; only spinel minerals a n d olivine-chromite occur a t places...irregular dark inclusions, which mainly belong to the spinel group, are crystals of 159 l la a Ib lb FIG. |  | | Journal (issue) | | spectrum of taaffeite is very similar to that of blue spinel, a n d the spectrum of sinhalite is closely allied...simply by heat treatment 2 came as a complete surprise. T h e experiment was first undertaken with zircons...polish both with and against the grain, much to the surprise of the traditional craftsman. In spite of the...and a note is given about the Tiffany Turquoise Mine and its connexion with G. F. Kunz and the Tiffany...disputes having had any controlling connexion with the mine. There is a review of the future possibilities for |  | | Book (edition) | | source ofgood advice); this book is as much yours as mine. 000001030626 TINT CONTENTS Contents Foreword...Gemmological Association of Australia Fellow of the Gemmological Association of Australia Australian Director...final value. World of Colour It will come as no surprise that colour is the single most important factor...evangelist never an elitist. It will come as no surprise that the more attractive a gemâs colour, the higher...desirable colours, for example, ânoble redâ in Spinel, âcornflower blueâ in Sapphires or âAAA to denote |  | | Journal (article/letter/editorial) | | Lithospheric mantle evolution beneath northeast Australia Valeria Murgulov â,1, William L. GrifïŹn, Suzanne...Planetary Sciences, Macquarie University, NSW 2109, Australia a r t i c l e i n f o Article history: Received...Mantle lherzolite xenoliths Northeast Queensland (Australia) lithosphere Upper mantle sulïŹdes Dating mantle...single grains of sulïŹdes in Cainozoic basalt-borne spinel lherzolite xenoliths from the Chudleigh Province...and crustal magmatism in northeast Queensland, Australia. About half of the analysed sulïŹde grains have |  | | Journal (issue) | | Associations: GeDJ.DJ.ological Association of Australia Canadian GeDJ.DJ.ological Association Rhodesian...carats, which was not only flawless but to my surprise was also completely transparent, though of an...crystal, white topaz, synthetic white sapphire or spinel, or even glass. W h e n unset such diamond doublets...tilted 161 WHITE SPI NEL. WHITE SPINEL Schematic diagram of a spinel Schematic diagram of a true Schematic...true doublet. doublet. Schematic diagram of a spinel {soudĂ© type) doublet. (saudi type ) doublet. 'ROCK |  | | Journal (article/letter/editorial) | | established the first mineral physics laboratory in Australia at the Australian National University (ANU) under...Australian National University (ANU) in Canberra, Australia, to deliver our joint paper on lattice dynamic...basis to object. The first results on rutile and spinel compounds were obtained by the pulse transmission...international congress in France [19]. Ringwood expressed surprise that I was collaborating with his colleague and...competitor Grenoble, France [19]. Ringwood expressed surprise that I was collaborating with his colleague and |  | | Journal (article/letter/editorial) | | AMAX/Homestake shut down their mineralogically famous galena mine at Boss, Missouri. Lead prices are generally about...Similarly, iron mining is way down. The huge Minorca mine in Minnesota's Mesabi range had an early shutdown...east of their Mosquite mine in Im perial County, California. The Sunnyside gold mine in Silverton, Colorado...and byproduct silver. In Michigan, the White Pine mine has been sold by Echo Bay mines to the local miners...enclosing the famous platinum-rich Merensky reef. This mine should offset the drop in vanadium supply due to |  | | Journal (article/letter/editorial) | | Crest Quarry, Lime <~r?st, Newton, New Jersey, for spinel, fluorite, norbergite, chondrodite, allanite, ROCKS...from the Staunton State Park to Altavista (Bishop Mine) the hunting is for turquois crystals. Then beyond...beyond Waynesboro, Route 702, South River Mine (Kelly Bank), Augusta â Rockbridge County, the minerals to...on Rt. 608 to Old Coal Mine ROCKS AND MINERALS Road to Cold Springs Clay Mine, Augusta County can be...Minerals" was a part of a program for members of the Western South Carolina Gem and Mineral Society, Greenville |  | | Report (issue) | | =========ï„ Helvite, 3.2 cm, from the Huanggang mine, Inner Mongolia, China. Trinity Minerals specimen;...elegant little specimens of helvite from the Huanggang mine, Inner Mongolia, China, which John Veevaert has...the Cattle Grid pit, Mt. Gunson mine, Pernatty Lagoon, South Australia. The Arkenstone specimen; Joe Budd...the Cattle Grid pit, Mt. Gunson mine, Pernatty Lagoon, South Australia which Rob Lavinsky of The Arkenstone...locality or any other locality save the one in Australia are microcrystals at best. When a very small number |  | | Journal (issue) | | Affiliated AssociatioDs: GeDlDlological AssoeiatioD of Australia Canadian GeDJ.DJ.ologicaJ AssociatiOD Rhodesian...B, 7) and fluorite (Plate B, 8), well-developed spinel octahedra in Mogok ruby (Plate D, 3), euhedral...shingles and needles of sphe/e crystals in star-spinel, causing the latter's asterism, and having previously...Orientated arrangement of twinned sphenes in star-spinel. 6. Pseudotetragonal olivine prisms epitactically...Combination of distorted octahedrons of chrome-spinel in diamond. 9. Emerald-green diopside crystal in |  | | Journal (issue) | | Affiliated Associations: Ge:m:mological Association of Australia: Canadian Ge:m:mological Association: Rhodesian...(always dangerous) that here we had a synthetic spinel purposely m a d e to deceive (since no diamond...reading obtained did not fit our ideas of synthetic spinel, in fact a rather poor indication about 1 «44 seemed...that would be that. However to my pleasure and surprise he turned u p next day to ask for a certificate...greatest separation, as seen on an AndersonPayne spinel refractometer (Fig. 1 ). If anyone with a knowledge |  | | Journal (issue) | | DIRECTORS Edward W. Boehm, USA Terrence Coldham, Australia Nobuyuki Horiuchi, Japan A.H. Muhammed Imtizam...appropriate tools for certification processes from Mine to Market. Brazil is the perfect host for this special...production down just 38 percent, indicative that the new mine plan is achieving true economies of scale. Ian Harebottle...was indicative that it was older, as were the old-mine-cut diamonds and seed pearls. The approximate weight...Antonio C. Bonanno Award Forthcoming GILC Andesine Mine Probe Expedition to Tibet he Accredited Gemologists |  | | Journal (issue) | | France Bill Birch Museum of Victoria Melbourne, Australia Michael P. Cooper Nottingham, England Anthony.... . . . . . . 217 by A. R. Kampf The Dee North mine, Elko County, Nevada . . . . . . . . . . . . . ...crystal cluster, 13.6 cm, from the famous Malmberget mine, GĂ€llivose, Lapland, Sweden. Peter Lyckberg collection;...Jackson to take over the operation of the Rock Candy mine (the subject of a 1981 article by Joe in the Mineralogical...multimedia talks. His travels to South America, western North America and other areas produced a collection |  | | Journal (article/letter/editorial) | | Adelaide, North Terrace, 5005 Adelaide, South Australia, and Division of Mineralogy, South Australian...Museum, North Terrace, 5000 Adelaide, South Australia, Australia Nicolas MEISSER MusĂ©e Cantonal de GĂ©ologie...carbonates of the Briançonnais Domain in Turtmanntal, Western Swiss Alps, contain lenses up to 3 m across filled...(1984), Cortesogno et al. (1979); Haute-Maurienne, Western Alps; Chopin (1978)]. These deposits are all related...(Briançonnais Domain) at PipjitĂ€lli, Turtmanntal, Western Swiss Alps. The Mn-rich rocks have undergone regional |  | | Journal (issue) | | Physics Department, Monash University, Victoria, Australia. INTRODUCTION In a previous article (Hutton...not apply in the unusual but well known case of spinel). Immediately, we are given two differences in...alexandrite to be distinguished from the synthetic. (e)Mg Spinel (Cr3*) Naturally occurring MgAl204 is almost completely...Angle 6 (degrees) Compound O 15 70 90 Natural Spinel (Light Pink) 24 25 27 24 Linewidth (Gauss)...Unfortunately, the quoted literature for this work on spinel is somewhat more specialized than that in the previous |  | | Journal (issue) | | cover Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection;...custom jewelry. Wulfenite, 5.4 cm, from the Defiance mine near Gleeson, Cochise County, Arizona. Ken Donn...photo. Wulfenite (hot-pink), 3.7 cm, from the Glove mine, Tyndall district, Santa Cruz County, Arizona. Collected...pseudomorph after azurite, 4 cm, from the Inspiration mine, Globe-Miami district, Gila County, Arizona. Ken...Cerussite twins on matrix, 6.5 cm, from the Grand Reef mine, Aravaipa district, Graham County, Arizona. Ken |  | | Report (issue) | | - 3), AUSTRALIA warps REE % BMR Bulletin spate aeeiemnnnent D. H. Blake Spee 8 gh on TAT ...Government Publishing Service © Commonwealth of Australia 1987 ISBN 0 644 061774 ISSN 0084-7089 This Bulletin...Hartig, P Corbett and A. Retter Cover: Mount Isa mineâwith 270 m-high concrete stack for the lead smelter...Onudenonouonomepcoenccue Mim neddcdesandstone anGdasiltstone surprise: ClreckshOnmatlOnmmn rec eiter oreriieieninsirai...ene tenet eee . Open cut, Mary Kathleen uranium Mine .......... 26.66 cece eee eee eee MAP Geology of |  | | Journal (issue) | | ............ GOLD FIND MAY START NEW RUSH IN AUSTRALIA ........ 402 402 403 419 422 425 471 471 473...Menardâ1965 Buy and Use a Good Mineral Book Our SAPPHIRE mine will be open to Rockhounds. Write for information...24. Winthrop, Me. July 10, 11, 1965â1th Annual Western Maine Gem and Mineral Exhibition and Roundup will...Crawford, Nebr. Aug. 21, 22, 1965 â 2nd Annual Western Massachusetts Rock and Mineral Swap and Auction...Belkxue. Wadi. v>:a)iM. Oa. 2. 3. 1965âTopeka Gun & Mine al Society, Inc., 9th Annual Show, will be held |  | | Journal (issue) | | makes one suspect at first that the stone may be spinel or paste. However, their chromium spectra indicate...tried from four sources: Sri Lanka, Thailand, Australia them: red, green, yellow and then blue. Lo and...during the fade test. Thus, you can imagine our surprise when, on performing the fade test on Mr Stevenson's...change yellow/orange sapphires from Thailand, Australia, Tanzania Irradiated Sri Lankan The colour fades...minerals ISSN: 0022-1252 J. Gemm., 1988,21,1 27 Surprise 70th birthday party for David Kent at a Post Diploma |  | | Journal (issue) | | Geological Survey Uralolite from the Dunton Gem Mine, Newry, Maine: A Second O c c u rre n ce .........silver and wood tin. But it was something of a surprise to learn that the very found ers of mineralogy...length, collected in the Mindola open pit, Rokana mine, Zambia, by S. P. Korowski. The Mineralogical Record...under ground miner at the 115-year-old Oriental mine in Alleghany, Sierra County, California. In August...presented at his trial, Stokes began sneaking into the mine at night and stealing (âhighgradingâ) gold. No one |
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