 | | Journal (issue) | | found by the late Dr. J o h n Williamson at his mine at M w a d u i in Tanganyika and weighed 54 ct in...diamonds in the brooch came from the Williamson mine. There is a two-prong spring fastening and the stem...baguettes 170 rounds „ 4-64 ct. „ 12-40 ct. 311 EUCLASE FROM MINAS GERAIS, BRAZIL By FRANCISCO MULLER ...G. N T I L a short time ago, the existence of euclase in Brazil was restricted to the well-known mineralogical...discovery of various minerals, among them the euclase. So, this mineral is found also in the state of |  | | Journal (article/letter/editorial) | | Khan University] at 00:19 02 January 2015 from Japan Part 3: Ko Mineral Collection, Osaka and Tokyo...Ohio 45056 rakovajf@muohio.edu Figure 1. Map of Japan, by William Besse. 440 ROCKS & MINERALS A t the...the top four collections of Japanese minerals in Japan. The Ko collection is particularly important because...specimens representing 159 mineral species, mostly from Japan with a concentration of specimens from the ore deposits...Sciences at Kyushu University’s Hakozaki Campus in Fukuoka (fig. 2). Regrettably, because of a staff shortage |  | | Journal (issue) | | The best-known wulfenite comes from the Red Cloud mine in Arizona, though crystals from this area are generally...pink, inclining to purple; it comes from Honshu, Japan, where it occurs in metamorphic or metasomatic rocks... [Manuscript received 22nd February, 1979.] EUCLASE* By SUSAN M. ANDERSON, B.Sc.(Geol.), F.G.A. I ...appear to be responsible for the formation of euclase, which replaces earlier-formed beryl crystals....herderite, hurlbutite, phenacite, chrysoberyl and euclase. Most of these remain of academic interest although |  | | Journal (issue) | | ~Ba-glass ~,9-4.2) '. sillimanite(3,25) / G euclase(3,ih\iw phenakite(2,96)+c ' 3-336) I QOZ00Z...turning. But spare a thought for the m e n w h o mine these essential raw materials, the intrepid adventurers...plastic-bonded real turquoise. 210 A STUDY OF SOME GOLD MINE DIAMONDS By F. A. RAAL Diamond Research Laboratory...diamonds from more conventional sources the gold mine stones are all of the Type I variety, i.e. they...the G.R.I and 2·6 eV bands are present in the gold mine diamonds the inference is that these diamonds were |  | | Journal (issue) | | X-ray Apparatus (Gemmological Association of All Japan). ISSN:0022-1252 XVII(5) 300 (1981) J.Gemm, 1981...Raman measurements and L. Kaplan & Sons, of New York City, for the loan of the diamonds used in this study...Gérais, Brazil. Am. Miner., 65,183-7,4 figs, 1980. Euclase from Santa do Encoberto, county of SSo Sebastiao...colour), 1980. Describes the operation of the Orapa mine from which 15 000 ct of diamond are recovered daily...spessartite garnet crystals from the New Consolidated Mine, Broken Hill, N.S.W., Australia. Mr Per Paulin, |  | | Journal (article/letter/editorial) | | superexchangemechanism (see, of fluid inclusions,e.g.,euclase(Hemingwayet al., 1986). for example, White and...Investigations,9064, 22 p. Bhattacharya,P.K., Dasgupta,S., Fukuoka, M., and Roy, S. (1984) Geochemistry of braunite...Petrology, 22, 363-396. Dasgupta,S., Banerjee,H., and Fukuoka, M. (1985) Oxidation gradients in metamorphosed...Geology,36, 351-360. Dasgupta, S., Banerjee,H., Fukuoka, M., Bhattacharya,P.K., and Roy, S. (1990) Pet...functions for beryl, BerAlrSiuO,r,phenakite, BerSiO., euclase,BeAlSiOn(OH),benrandite, BeoSirOr(OFI):,and chrysoberyl |  | | Journal (issue) | | importance. According to Kanis (1980), the first mine (Miku) was given up in 1972. In the neighbourhood...to lie here. One imaginative writer described 'a city of golden palaces and streets paved with precious...in opal from Hosaka, Fukushima Prefecture, Japan.) J.Geol.Soc. Japan, 74, 274-9, 9 figs, 1979. (Japanese...abstract.) Precious and common opal from the Hosaka mine were studied optically and by TEM. The precious...tridymite. R.A.H. BANCROFT (P.). A great gem and crystal mine: St John's Island, Egypt. Lapidary Journal, 34,10 |  | | Journal (issue) | | associated with the emerald occurrence at the Miku Mine was such a dark red that it required strong sunlight...ago did show indication of gem material. The Aries mine in particular produced a quantity of light aquamarine... XVIII, 1 13 Use of hornbill ivory spread to Japan during the Tokugawa Period; during which time the... including coloured varieties of beryl made in Japan, opal and cubic zirconia. (Author's abstract) M...Middlesex, for one particoloured (blue/white) euclase crystal group from Miami district, Zimbabwe. Mr |  | | Journal (issue) | | apatites are rare gems. So are green and blue euclase, colourless benitoite, blue scapolite, and yellow...Lumachelle can hardly be collected from an 71 abandoned mine, while true odontolite is seldom seen. A major source...large crystals of good cutting quality. Colourless euclase has m a d e its way into m a n y collections recently...X , 65 13-14. A research in the archives at the City of Adelaide have brought to light papers on J o...Spencer opal mine, its history a n d the occurrence and types of opal found in the mine. Some hints are |  | | Journal (issue) | | growth are found in stones from the Pena Bianca Mine, near Muzo. T h e stones are found in pockets in...were obtained from some specimens from the M u z o mine where the central prism was black (the shale at...attraction to Rhodes, but its gold. T h e Rezende mine was the first in the country a n d along with others...excellent plans for us. W e were to be taken down a mine, on to the treatment plant and of course to the...on the 26th September, 1971, to the Blue J o h n Mine near Castleton in Derbyshire, and to Ghatsworth |  | | Journal (issue) | | NUMBER SIX APRIL 1993 Cover Picture The Hematita mine in Minas Gérais in 1987 - probably the richest alexandrite...to be able to deterAlthough it is very important mine if if a gem is natural or synthetic, and treated...Abstract Abstract During a visit to Hanoi, the capital city of of Vietnam, the authors became aware of a freshwater...exist in in the the centre centre of of aa possible city with with aa population population of of three three...three million. million. However, However, as city ISSN: 0022-1252 0022-1252 ISSN: Genun., 1993, 23 |  | | Journal (issue) | | are grateful to Professor I. Sunagawa of Tokyo, Japan, for the translation of the relevant literature... (Feo.96M&,04) (Crl.33AlO.Jeo.25Vo.ol)2.02°. Euclase 24 Tanzania, Lake Manyara BeI.02(Ala,89TIO.0IM&...bertrandite and usually contain appreciable phosphorus euclase aggregate on the prism and pinacoid concentrations...phlogopite from Santa fluorite, plagioclase, beryl, euclase and Terezinha. This ratio in phlogopite inclusions...helvine, hundredths of an atom of Mn per three euclase, phenakite and bertrandite in octahedral sites |  | | Report (issue) | | 126165 (1979). Occurrence in syenite, Morotu, Japan. AENIGMATITE. Grapes et al., Contrib. Mineral. Petrol...Analysis, x-ray, UTA, infra-red, from Ehime Pref., Japan. ALLOPHANE. Henmi, (Clays Clay Miner. 28, 92-96...Goldfield, Nev. ALUNITE. Muchi et al., (Bull. Fukuoka Univ. Educ., Part 3, 24, 99-117 (1974)) Mineral...description. AMPHIBOLE. Aikawa et al., J. Geosci., Osaka City Univ. 22, 1-20 (1979)(English). Probe analyses (5)...analyses of 5 hornblendes, 2 cummingtonites from Frood mine, Sudbury, Ont. Distribution of Al between IV and |  | Rao, Can, Wang, Rucheng, Yang, Yueqing, Hatert, Frédéric, Xia, Qunke, Yue, Xuege, Wang, Wumengyu (2017) Insights into post-magmatic metasomatism and Li circulation in granitic systems from phosphate minerals of the Nanping No. 31 pegmatite (SE China) Ore Geology Reviews, 91. 864-876 doi:10.1016/j.oregeorev.2017.08.017 | Journal (article/letter/editorial) | | (beryl, phenakite, hydroxyherderite, hurlbutite, euclase and strontiohurlbutite) have also been found (Rao... a suite of rock samples was collected from the mine quarry excavated 515 m below the surface in the...montebrasite and amblygonite from Nagatare, Fukuoka Prefecture, Japan. J Mineral. Petrol. Sci. 109(2). 103–108 |  | | Journal (issue) | | Space rental costs being what they are in the large City centres of the World, it is vital that every square...synthetic opal is being offered as natural opal at mine sites. Mr Ball subsequently received a sand-coated...Sweet Home mine. Mineral. Record, 10,6, 333-8, 9 figs (6 in colour), 1979. The Home Sweet Home mine is in...1979. Short descriptions are given of an opal from Japan in which the diffraction takes place from layers...Driebergen, Netherlands. 1979 Yokowo, Naoya, Tokyo, Japan. 1979 Yost, Dara E., San Diego, Ca, U.S.A. 1979 |  | | Journal (issue) | | Stevenson. This was a veritable mine of of inif one can have a mine for pearls. When formation - if I...1991,22, 6 334 Gem thaumasite from the Black Rock Mine, South South Mrica Africa Ulrich Henn, Markus...in South Africa. The locality is the Black Rock Mine in the Kalahari Manganese Field (Figure 1). That...""-' 1.1 I ",' . " . _ ......... .tI' Wessels Mine Black Rock A• • FRYBURG • HOTAZEL -KURUMAN...Kalahari Manganese Field with the Black Rock Mine and the Wessels Mine Fig. I. near Hotazel (after Shigley el |  | | Journal (issue) | | Associate Editors Ahmadjan Abduriyim, Tokyo, Japan; Edward Boehm, RareSource, Chattanooga, Tennessee...Hiroshi Kitawaki, Central Gem Laboratory, Tokyo, Japan; Michael S. Krzemnicki, Swiss Gemmological Institute...Williams, Stone Group Laboratories LLC, Jefferson City, Missouri, USA; J.C. (Hanco) Zwaan, National Museum...a yellow synthetic diamond grown by Sumitomo in Japan (Figure 1, right); such crystals were first introduced...(info@stonegrouplabs.com) Stone Group Laboratories Jefferson City, Missouri, USA Brendan M. Laurs Figure 3: Some |  | | Report (issue) | | (1979). Probe analyses (1) from Broken Hill gold mine, Coromandel , New Zealand. ACANTHITE. Nikolaeva...(1979). Probe analyses (4) from Broken Hill gold mine, Coromandel, New Zealand. AGUILARITE. Sugaki et... Probe analysis, x-ray data from Sanru mine, Hokkaido, Japan. AGUILARITE. Sugaki et al., J. Jpn. Assoc...65-77 (1982). Microprobe analyses (5) from Sanru mine, Hokkaido. AGUILARITE. Vassalo Morales and Borodaev...analysis, optics, x-ray data from Yamaguchi Pref., Japan. AIKINITE. Nakashima et al., J. Jpn. Assoc. Mineral |  | | Report (issue) | | elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...circa 1910 view of the old mine portal on the north side of the Himalaya Mine in San Diego County, CA....An 11 cm tall elbaite group from the Pederneira Mine in Minas Gerais, Brazil. The bottom of the group...Graeber Right: this dravite from the Mikhaylovskoye Mine in the Transbaikal Region of Russia is 4.5 cm tall...[Fe}+Al] Al6 Si6O 1 s (BO3 ) 3 (OH)3 (OH) Cruzeiro Mine in Minas Gerais, Brazil; Dobra Voda in western Moravia |  | | Journal (issue) | | intermittently mined at several localities (Old Mine, New Mine, Valley). The production included some large...visited at the Chimwadzulu Hill (Figure 2) and the mine at © © Copyright the Gemmological Association ...crystal symmetry of grossular garnets from the Jeffrey mine, Asbestos, Quebec, Canada. American Mineralogist... 859-64,4 figs. Orange garnets from the Jeffrey mine, Asbestos, Quebec, Canada, may show non-cubic symmetry...Wahroongai News, 23,7,7-12. Reprinted from The Great Mine of Thailand, published by SAP Mining Co. Ltd, this |  | | Journal (article/letter/editorial) | | of Science, University of Tokyo, Tokyo 113-0033, Japan (kagi@eqchem.s.u-tokyo.ac.jp) Diamonds are physically...School of Science, Tohoku University, Sendai City, Miyagi, Japan 980-8578 (*correspondence: kakegawa@mail...kakegawa@mail.tains.tohoku.ac.jp) 2 NIMS, Tsukuba Japan Prebiotic polymerization of amino acids is the most fundamental...Dept. Earth & Planet. Sci., Kyushu Univ., Fukuoka 812-8581 Japan (*correspondence: kaneko@geo.kyushu-u.ac...University of Tokyo, Bunkyoku, Tokyo 113-0032, Japan (ikaneoka@aol.com) Archaeal ecology associated |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...(province), co. (county), munic. (municipio), pref. (prefecture), dept. (departement), dept. (departamento),...Mineralogical Abstracts MJJ - Mineralogical Journal of Japan MM - Mineralogical Magazine MP - Mineralogy and...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO...Harding Co .. South Dakota. and at the Fuemrole No2 mine, Emery co .. Utah. Also at Menzenschwand Scbwarzwald |  | | Book (edition) | | of cities refer not only to the area within the city limits, but also to the surrounding region. In this... UF aa BT lava SA pahoehoe SA volcanism Aachen City near the intersection of the Belgium and Netherland...Switzerland Aare Valley use Aar Valley Aberdeen City on North Sea. BT Scotland Great Britain United Kingdom...geology reclamation Abashiri City in NE Hokkaido. UF Abasiri BT Hokkaido Japan ablation Includes use on...wind erosion wind transport Abo Use Turku for the city in Finland. Use Abo Formation for the Lower Permian |  | | Journal (issue) | | Ito, G.G.,F.G.A G.G., F.G.A.. Yasuhirolto, Osaka, Japan Chatoyancy adds beauty and rarity to a gemstone...A kimberlite sample from the Dutoitspan diamond mine and its composition assessed; pectolite is among...quartz, chrysoberyl, datolite, diopside, epidote, euclase, garnets, leucite, olivine, opal varieties, prehnite...more so in that from the Coober Pedy Eleven Mile mine. Unresolved anomalies were found and the experiments...Gemmology and Diamond Diploma courses at the Sheffield City Polytechnic, where she was directly responsible |  | | Book | | (Dutch Guiana), 508 Ivory Coast, 462 Sweden, Japan, 462 Switzerland, 510 Tanzania 463 Madagascar...across the of portions gravels of the USSR, Japan, beryl have long been picked polished into gems...described drinking implements, of which color Japan, Mongolia, and that in being produced in India...between 63 T. 3 in areas found in the gem city of Taxila in the Punjab, among which of the ancient...absence of traveler emer- back with the emerald. Japan, Hong Kong, Malaya, to the Far French who traveled |
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