...Andreas ERTL; Uwe KOLITSCH; Stefan PROWATKE; M. Darby DYAR; Darrell J. HENRY Abstract The F-analogue of schorl has been identified in samples from a pegmatite at Grasstein, Trentino-South Tyrol, Italy. The crystal chemistry of this tourmaline has been characterized by a combination of single...

... of the tourmaline supergroup from alluvial tin deposits near Steinberg, Zschorlau, Erzgebirge (Saxonian Ore Mountains), Saxony, Germany, and from pegmatites near Grasstein (area from Mittewald to Sachsenklemme), Trentino, South Tyrol, Italy. Fluor-schorl was formed as a pneumatolytic phase and in high-temperature...

... ) 3 ( OH ) 3 F , is a new species of the tourmaline supergroup from alluvial tin deposits near Steinberg, Zschorlau, Erzgebirge (Saxonian Ore Mountains), Saxony, Germany, and from pegmatites near Grasstein (area from Mittewald to Sachsenklemme), Trentino, South Tyrol, Italy. Fluor...

...} \usepackage{amsfonts} \usepackage{amsmath} \pagestyle{empty} \begin{document} \(\mathrm{NaFe}_{3}^{2+}\) \end{document} Al 6 Si 6 O 18 (BO 3 ) 3 (OH) 3 F Alluvial tin deposits near Steinberg, Zschorlau, Erzgebirge, Saxony, Germany and in pegmatites neard Grasstein, Trentino, South Tyrol, Italy Andreas...

.... T.S.E. A. Ertl, U. Kolitsch, S. Prowatke, M.D. Dyar, D.J. Henry (2006) The F-analog of schorl from Grasstein, Trentino–South Tyrol, Italy: crystal structure and chemistry. Eur. J. Mineral., 18, 583–588. The F-analog of schorl occurs as pale brownish to pale grayish blue 1 mm prismatic...

...Figure 6 Optical absorption spectra of a 45 μm thick crystal plate of fluor-schorl from Grasstein, South Tyrol, Italy (sample GRAS1 from Ertl et al. 2006b ). ...

... S , Dyar MD , Henry DJ ( 2006 ) The F-analogue of schorl from Grasstein, Trentino – South Tyrol, Italy: crystal structure and chemistry . European Journal of Mineralogy 18 : 583 – 588 Faulkes A ( 1966 ) Rauðú lfs þá ttr: a study . Bó kaú tgá fa Menningarsjó ðs...

...-analog of schorl from Grasstein, Trentino–South Tyrol, Italy: crystal structure and chemistry . European Journal of Mineralogy , 18 , 583 – 588 . Ferrow , E.A. ( 1994 ) Mössbauer effect study of the crystal chemistry of tourmaline . Hyperfine Interactions , 91 , 689 – 695...

... Pasero 551 New Mn- and rare-earth-rich epidote-group minerals in metacherts: manganiandrosite-(Ce) and vanadoandrosite-(Ce)— Bénédicte Cenki-Tok, Alain Ragu, Thomas Armbruster, Christian Chopin, and Olaf Medenbach 569 The F-analogue of schorl from Grasstein, Trentino - South Tyrol, Italy...

...: structure, chemistry, and infrared spectroscopc studies . American Mineralogist , 91 , 1847 – 1856 . Ertl , A. , Kolitsch , U. , Prowatke , S. , Dyar , M.D. , and Henry , D.J. ( 2006 b) The F-analogue of schorl from Grasstein, Trentino South Tyrol, Italy: crystal structure...

... . Am. Mineral. , 88 , 1369 – 1376 . Ertl , A. , Kolitsch , U. , Prowatke , S. , Dyar , M.D. , Henry , D.J. ( 2006 ): The F-analogue of Schorl from Grasstein, Trentino – South Tirol, Italy: crystal structure and chemistry . Eur. J. Mineral. , 18 , 583 – 588...

... of schorl from Grasstein, Trentino–South Tyrol, Italy: crystal structure and chemistry . European Journal of Mineralogy , 18 , 583 – 588 . Ertl , A. , Hughes , J.M. , Prowatke , S. , Ludwig , T. , Brandstätter , F. , Körner , W. , and Dyar , M.D. ( 2007 ) Tetrahedrally...

... Mineralogist , 40 , 153 – 162 . Ertl , A. , Kolitsch , U. , Prowatke , S. , Dyar , M.D. , and Henry , D.J. ( 2006 ) The F-analog of schorl from Grasstein, Trentino–South Tyrol, Italy: crystal structure and chemistry . European Journal of Mineralogy , 18 , 583 – 588...

.... The Canadian Mineralogist , 42 , 1057 –1063. Ertl, A., Kolitsch, U., Prowatke, S., Dyar, M.D., and Henry, D.J. ( 2006 ) The F-analogue of schorl from Grasstein, Trentino—South Tyrol, Italy: crystal structure and chemistry. European Journal of Mineralogy , 18 , 583 –588. Ferrow, E.A. ( 1994...

.... ( 2006 ): The F-analogue of schorl from Grasstein, Trentino – South Tyrol, Italy: crystal structure and chemistry . Eur. J. Mineral. 18 , 583 – 588 . Ertl A. Marschall H.R. Giester G. Henry D.J. Schertl H.-P. Ntaflos T. Luvizotto G.L. Nasdala L. Tillmanns E...