 | | 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...Windmill zoning in tourmaline • Quarterly Crystal: Rutile on hematite 390 Colored Stones Unearthed The...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 |  | | 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) | | in the Habachtal Emerald Deposit, ttohe Tauern, Austria Part 1 : Presentation of Geochemical Data M. Okrusch... 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...Chlorite schists: chlorite +- magnetite -+ pyrite -+ rutile (_+ apatite • zircon • epidote :~ allanite). Tourmaline-rich...epidote +- albite -+ tourmaline • beryl -+ opaques • rutile -+ sphene • apatite • zircon). B. Biotite-rich |  | | Journal (article/letter/editorial) | | from the emeralds of Habachtal, Tauern Window, Austria Y.Y. N w e a'J and G. G r u n d m a n n b aDepartment...from the emeralds of Habachtal, Tauern Window, Austria. Lithos, 25:281-304. Fluid inclusions in emeralds... Introduction The Leckbachscharte in the Habachtal (Hohe Tauern, Salzburg, Austria) is the only place...calcite, phenakite, apatite, tourmaline, sphene, rutile, zircon, magnetite, pyrite, pyrrhotite, chromite...vapour: Xco2 = mole fraction CO2; M V= molar volume. See text for further explanations. less than 5 mole |  | | Book | | © 1993 Eigenverlag Dr. Reinhard Exel, Vienna/Austria: A-1100 Wien, Malborghetgasse 31 Gesamtherstellung:..................................... Entwicklungen im Mittelalter und in der Neuzeit ....................der Mineralogie im 19. Jahrhundert ................... „ .•.•... „„..... Fortschritte im 20. Jht. und Aspekte...Industriemineralien, Edelsteine, usw.) vorgenommen wird. Im Bestreben alle bislang auf dem Territorium der Republik...Gestaltung des vorliegenden Werkes bedeutsam waren: - Im Zuge flächendeckender, geochemischer Untersuchungen |  | | Journal (article/letter/editorial) | | 1990) is located at Leckbachscharte in the Eastern Alps (Habachtal, Salzburg, Austria). Although the tectonic...minerals and gadolinite-group minerals, niobian rutile, yttrian fluorite and tanteuxenite-(Y) (Zambonini...(1988): Reappraisal of the crystal chemistry of beryl. Am. Mineral. 73, 826-837. Berger, A., Rosenberg, C...Al–Mg disorder in the crystal structure of dravite. Am. Mineral. 78, 265-270. Roggiani, A.G. (1966): Il...Classification and nomenclature of the pyrochlore group. Am. Mineral. 62, 403-410. Rosenblum, S. & Mosier, E |  | 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) | | 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, |  | | 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 | | 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...blue-black and lustrous, though some which are coated by rutile or hematite are yellow or red and earthy; they...euhedral, pale tan to white rnicrocline crystals-see photos in Dupuis and David (2013). ffighway 5 extension |  | | Book | | Paris-Lodron-University of Salzburg, Hellbrunner Str. 34, A-5020 Salzburg, Austria; franz.neubauer@sbg.ac...Geography and Geology, Paris-Lodron-University of Salzburg. Mineral concentrates of muscovite were packed...Northern Brazilian pegmatite region. Bull. Geol. Soc. Am. 1945, 56, 505–514. [CrossRef] Beurlen, H. The mineral...Northeastern Brazil and its sedimentary cover: A review. J. Am. Earth Sci. 1995, 8, 365–376. [CrossRef] Magyar,...pegmatites: Evidence from beryl and its breakdown products. Am. Mineral. 2014, 99, 424–432. [CrossRef] Scorza, E |
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