 | | Journal (issue) | | and a History of Emerald Mining in Habachtal, Austria Duncan Pay FEATURE ARTICLES p. 300 292 Blue...of Emerald Mining in the Habachtal Deposit of Austria, Part I p. 347 Karl Schmetzer Contributes to...of articles on all aspects of the field. Please see the Author Guidelines at gia.edu/gemsgemology or...and a History of Emerald Mining in Habachtal, Austria Welcome to the Winter 2021 issue of Gems & Gemology...Myanmar, formerly known as Burma, is located on the See end of article for About the Authors and Acknowledgments |  | | Journal (article/letter/editorial) | | 1153-1171 The Mittersill Scheelite Deposit, Austria O. A. R. THALHAMMEB, •' E. F. STUMPFL,AND R. JAHODA...A-8700 Leoben,Austria Abstract The Mittersill scheelitedeposit,Salzburgprovince,Austria,occursin amphibolitesand... 1154 THALHAMMER,STUMPFL,AND JAHODA Salzburg Province Austria 0 5km , Mittersillß , N Salzach...lower and economic concen- MITTERSILL DEPOSIT, AUSTRIA 1155 part.The ore-bearing suiteis referredto...elevation= level 1215/1220. MITTERSILLDEPOSIT,AUSTRIA 1157 0 upper HBU 1 løm f MVU ,/lower HBU |  | | Journal (article/letter/editorial) | | Rocks of Tungsten Mineralization at Mittersill, Austria? O. Thalhammer Institute of Mineralogy and Petrology...Petrology, Mining University, Leoben, Austria With 12 Figures Received January 16, 1987; accepted August... located in the central Hohe Tauern (Salzburg Province, Austria) was investigated in detail. New geochemical...Untersuchungen im Ostfeld der Scheelitlagerst/itte Mittersill in den mittleren Hohen Tauern (Salzburg, 0sterreich)...Charakter vorliegt. Die erzffihrenden Abfolgen sind im wesentlichen aus Hornblenditen und Grobkornamphiboliten |  | | Journal (article/letter/editorial) | | in the Habachtal Emerald Deposit, ttohe Tauern, Austria Part 1 : Presentation of Geochemical Data M. Okrusch...schist albite gneiss and/or micaschist. 2 serpentinites, 33 blackwall rocks, 9 micaschists, 10 albite gneisses... Daneben waren auch einige Spurenelemente mobil: Im Vergleich zum Serpentinit wurden Li und Be in allen...another one at the Schwarze Wand (NNE of the LeckbachScharte). The uppermost part of the Leckbach-Rinne...serpentinite, of biotite-rich micaschists, and of albite gneisses with aplitic veins and layers. This series |  | | Journal (issue) | | of Emerald Mining in the Habachtal Deposit of Austria, Part II Karl Schmetzer The finale of a two-part...of articles on all aspects of the field. Please see the Author Guidelines at gia.edu/gemsgemology or...items of enormous cultural and historical value are See end of article for About the Authors and Acknowledgments...turelle – Règne Minéral (Gautier D’Agoty, 1781; see also Wilson, 1995). Soon thereafter, two publications...within its contact aureole (Förster et al., 1999; see again figure 2, left). During granite intrusion, |  | | Journal (article/letter/editorial) | | a Regional Metamorphic Terrain (Tauern Window, Austria): Parageneses and Crystal Chemistry G. Franz, G...similar metamorphic grade from the Tauem Window, Austria, were analyzed by electron microprobe. The results...coexisting sheet silicates (mica or chlorite) and albite. Coexisting minerals with beryl are quartz, plagioclase...the mode o f formation o f beryl in these rocks see Beus (1966). Relatively little is k n o w n about...Within the Central and Western Tauern Window (Austria), an area strongly influenced b y Alpine regional |  | | Journal (article/letter/editorial) | | Mineralization during RegionalMetamorphism'The Habachtal (Austria)and Leydsdorp(Transvaal,SouthAfrica) Deposits G...ultrabasicrocks.Detailed studiesof the I-Iabachtal(Austria)and Leydsdorp(South Africa) emeralddepositsindicatethat...biotite= 2MgFe-beryl+ 2K+ + 4Mg+2 3 phenakite+ 3 albite+ 2Mg+2= 2MgNa-beryl+ Na+ + A1+3. The highmagnesium...well-knownschist-hosted emeralddepositsof the Habachtal (Austria) and of Leydsdorp (Transvaal, SouthAfrica) have...tectonicm•lange, proin the Tauern window (easternAlps, Austria) near ducedmainlyby alpine tectonism. Accordingto |  | | Journal (article/letter/editorial) | | 1990) is located at Leckbachscharte in the Eastern Alps (Habachtal, Salzburg, Austria). Although the tectonic...of the albitized unit, characterized by massive albite (Ab90–95) with a fine- to medium-grained texture...abundant millimetric secondary cavities lined with albite and minor acicular crystals of tremolite with a...of the albitized unit or embedded in the massive albite, associated with beryllium silicates such as bavenite...secondary cavities in the albitized unit are lined with albite crystals and host oxides of Nb–Ta, mainly columbite–tantalite |  | | Journal (article/letter/editorial) | | have also been mined in Afghanistan, Australia, Austria, Bulgaria, China, India, Madagascar, Namibia, Nigeria...address: lgroat@eos.ubc.ca (L.A. Groat). 0169-1368/$ – see front matter © 2008 Elsevier B.V. All rights reserved...the difference between emerald and green beryl (see Conklin, 2002; Schwarz and Schmetzer, 2002). However...Canada, the Muzo mine in Colombia, the Mohmand district in Pakistan, and Norway. Beryl has a wide stability...Be-bearing minerals occur in metamorphic rocks (see below) (Zwaan, 2006). 3. The geochemistry of Be, |  | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | | hosted in: (IIA) Mafic-ultramafic rocks (Brazil, Austria); (IIB) Sedimentary rocks-black shale (Colombia...deposits or hidden granitic intrusion-related (Austria, Egypt, Australia, Pakistan), and some unclassified...(Malyshevo). Ukraine: 43. Wolodarsk. Bulgaria: 44. Rila. Austria: 45. Habachtal. Norway: 46. Eidswoll. Switzerland:...[18], the Muzo mine in Colombia [1], the Mohmand district in Pakistan [1], and Eidswoll in Norway [13]....broad types based on worldwide production in 2005 (see Figure 3): (i) The magmatic-metasomatic type (Ma) |  | | Journal (article/letter/editorial) | | rocks of the central and western Tauern Window (Austria/Italy) B. LUCKSCHEITER & G. MORTEAN'I IXII-IOS...central and western Tauern Window (Eastern Alps, Austria/Italy). These veins contain varying amounts of...carbonate, chlorite, K-feldspar (often as adulada), albite (generally as pericline), titanite, apatite, epidote...For details ov~ the used microthermometry device see Poty et at. (1976). All temperature data given here...of the French Massif Central, from the Bamble district and from the Lofoten (Bilal 1976; Touret 1971; |  | | Book | | a few such specimens have been found after 1960 (see the Amity-Edenville entry for Edenite and Spine!)...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...to 2 cm which are pseudomorphs after bastnasite--see photo in Guastoni, Pezzotta and Zorzi (2008). ILMENITE...euhedral, pale tan to white rnicrocline crystals-see photos in Dupuis and David (2013). ffighway 5 extension...molybdenite specimens showing crystals to 6 cm (see this entry for Molybdenite), and in a second roadcut |  | | Journal (issue) | | Lindenfels/Odenwald 3/99 12,50 DM Heft 3/99 Im letzten Heft brachten wir den 1. Teil der Beschreibung...Mineralien aus einem ehemaligen Steinbruch bei Lindenfels im Odenwald. Seite 17. 1 N HALT Was es an neuen Briefmarken...(Teil 2) Mineralien aus dem Gabbro-Dioritsteinbruch „Am Buch" bei Lindenfels, Odenwald Neues aus Norwegen...Mai) folgen Freizeigen, daß es immer wieder berg am 19. und 20. Juni, wo Neuigkeitengibt-manmußhalt man...und größte Erhoch bleibt, dürfte es für die eignis im ersten Halbjahr, die europäischen Händler schwer |  | | Journal (issue) | | absolutely parallel and the inclusion is rather visible (see Figures 1, 2 and 3). Thefluorescenceappeared to be...table-cut diamond, probably the Mirror of Portugal (see Figures 4, 5 and 6). The piece of jewellery on page...and in the collar of his Queen, Marie Leczinska (see Figure 7). Strangely enough we have not been able...Commerce and Industry AN UNUSUAL CHRYSOBERYL I am guilty of having quite a few failings, among them...one. We seldom study the actual skin structure to see if in fact it is of the ultra fine overlapping platelets |  | | Book | | Paris-Lodron-University of Salzburg, Hellbrunner Str. 34, A-5020 Salzburg, Austria; franz.neubauer@sbg.ac...muscovite, tourmaline, albite, and quartz; Zone II: K-feldspar (microcline), quartz, and albite; Zone III: perthite...and/or tourmaline intergrown with medium-grained albite and quartz (Figure 3a–c); Zone II hosting homogeneous...K-feldspar (microcline) accompanied by quartz and albite; Zone III composed almost exclusively of large...pockets of medium- to fine-grained cleavelandite (albite), muscovite, and lepidolite selvages with some |
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