| | Journal (article/letter/editorial) | UniversitĂ€t Bremen, Klagenfurter Str., D â 28359 Bremen, Germany 2Department of Geosciences, State University of...solution series (Colville & Geller, 1971 and 1972; Kahlenberg & Fischer, 2000), which are one of the four major...Verlagsbuchhandlung. D-70176 Stuttgart 404 V. Kahlenberg ment of Al3+ by Fe3+ is not very likely to occur...[h2 a*2 U11 + ⊠+ 2 h k a* b* U12]. 406 V. Kahlenberg Table 4. Selected bond distances (Ă
) and bond...alcohol. Standards and X-ray lines used were andradite glass (Ca- and Fe-Ka) as well as pyrope (Al-Ka) | | | Journal (article/letter/editorial) | ferrite Ca2(Fe1-x Mex)2O5 (Me = Al3+,Ga3+) VOLKER KAHLENBERG* and REINHARD X. FISCHER FB Geowissenschaften...UniversitĂ€t Bremen, Klagenfurter Str., D-28359 Bremen, Germany Abstract: The crystal structures of Ca2(Fe0.933...Verlagsbuchhandlung. D-70176 Stuttgart 130 V. Kahlenberg, R. X. Fischer Fig. 1. Projection of the Pnma-stucture...calcium ferrites Ca2(Fe1-x Mex)2O5. 132 V. Kahlenberg, R. X. Fischer pounds were mixed again. A sample...and X-ray lines were used for the WDXanalysis Andradite glass (Ca-, Si- and Fe-Kα), Ga2O3 (Ga-Lα), pyrope | | | Journal (article/letter/editorial) | 67O32: A high-pressure, spinel-related phase V. KAHLENBERG,1,* C.S.J. SHAW,2 AND J.B. PARISE3 1 Fachbereich...D-28359 Bremen, Germany 2 Bayerisches Geoinstitut, UniversitĂ€t Bayreuth, D-95440 Bayreuth, Germany 3 Center...one of the phases were analyzed 1477 1478 KAHLENBERG ET AL.: CRYSTAL STRUCTURE OF HIGH PRESSURE Ca4Fe1...10 nA, and counting times of 15 s (on peaks). Andradite glass (for Ca and Fe) and pyrope (for Al) were.../ ÎŁ[w (Fo2)2)]1â2 P = [2Fc2 + max(Fo2,0)]/3 KAHLENBERG ET AL.: CRYSTAL STRUCTURE OF HIGH PRESSURE Ca4Fe1 | | Arroyabe, Erik, Prechtel, Felix, Többens, Daniel M., Kaindl, Reinhard, Kahlenberg, Volker (2011) K2Ca3Si3O10, a novel trisilicate: high-pressure synthesis, structural, spectroscopic and computational studies. European Journal of Mineralogy, 23 (3) 425-435 doi:10.1127/0935-1221/2011/0023-2096 | Journal (article/letter/editorial) | DANIEL M. TOÌBBENS, REINHARD KAINDL and VOLKER KAHLENBERG* Institut fuÌr Mineralogie und Petrographie...phases of this system started only recently (Kahlenberg et al., 2006; Arroyabe et al., 2009a, c) although...Arroyabe, F. Prechtel, D.M. ToÌbbens, R. Kaindl, V. Kahlenberg has been found and structurally characterized...characterized in our laboratory only recently (Arroyabe & Kahlenberg, 2011) can be transformed into a phase-X type...multi-anvil module (both from Voggenreiter, Mainleus, Germany) using 18/ 11 assemblies. Experimental and calibration | | | Book (volume) | (Specord 75 IR or Specord M80, Carl Zeiss, Jena, Germany), Perkin Elmer 1600 Series FT IR spectrometer or...FT IR spectrometer (Bruker Optics, Ettlingen, Germany). IR spectrum of a pure KBr disc was subtracted...Mg3B7O13Cl Locality: Wandsleben, Saxony-Anhalt, Germany. Description: White to beige fine-grained aggregate...LuÌneburger Kalkberg, LuÌneburg, Lower Saxony, Germany (type locality). Description: White fibrous aggregate...Colourless grain from the association with grossular-andradite garnet, szaibeÌlyite, sibirskite, calciborite | | Kahlenberg, Volker, Girtler, Daniela, Arroyabe, Erik, Kaindl, Reinhard, Többens, Daniel M. (2010) Devitrite (Na2Ca3Si6O16)âstructural, spectroscopic and computational investigations on a crystalline impurity phase in industrial soda-lime glasses. Mineralogy and Petrology, 100 (1) 1-9 doi:10.1007/s00710-010-0116-8 | Journal (article/letter/editorial) | phase in industrial soda-lime glasses Volker Kahlenberg & Daniela Girtler & Erik Arroyabe & Reinhard...referred to as Editorial handling: A. Beran V. Kahlenberg (*) : D. Girtler : E. Arroyabe : R. Kaindl :...refinement calculations were carried out V. Kahlenberg et al. in space group P1 with the programs SIR2004...m Karlsruhe, D-76344 EggensteinLeopoldshafen, Germany (crysdata@FIZ-Karlsruhe.de), and are available...0(1) â1(1) 2(1) 0(1) 1(1) 0(1) 3(1) 6(1) 4 V. Kahlenberg et al. Table 4 Selected bond lengths [Ă
] (up | | Galuskin, Evgeny V., KrĂŒger, Biljana, Galuskina, Irina O., KrĂŒger, Hannes, Vapnik, Yevgeny, Pauluhn, Anuschka, Olieric, Vincent (2019) Levantite, KCa3(Al2Si3)O11(PO4), a new latiumite-group mineral from the pyrometamorphic rocks of the Hatrurim Basin, Negev Desert, Israel. Mineralogical Magazine, 83 (5) 713-721 doi:10.1180/mgm.2019.37 | Journal (article/letter/editorial) | esseneiteâdiopside series, anorthite and Ti-bearing andradite. Levantite crystalises in space group P21 with...tetrahedral hybrid zweier double layers [(Al,Si)5O11] (Kahlenberg and KrĂŒger, 2004). Type material of levantite...consist of gehlenite, wollastonite, Ti-bearing andradite, larnite or flamite and contain accessory magnesioferrite...together with gehlenite, wollastonite and Ti-bearing andradite. The latter three are typical for hornfels (Fig...Table S2, analysis 1). Garnet is represented by andradite, 4+ 3+ 5+ Ca3.03(Fe3+ in 1.06Ti0.84Mg0.09)ÎŁ1.99(Si2 | | KrĂŒger, Hannes, Többens, Daniel M., Tropper, Peter, Haefeker, Udo, Kahlenberg, Volker, Fuchs, Martin R., Olieric, Vincent, Troitzsch, Ulrike (2015) Single-crystal structure and Raman spectroscopy of synthetic titanite analog CaAlSiO4F. Mineralogy and Petrology, 109 (5) 631-641 doi:10.1007/s00710-015-0393-3 | Journal (article/letter/editorial) | Energie GmbH, Hahn-Meitner-Platz 1, 14109 Berlin, Germany 3 Swiss Light Source, Paul Scherrer Institute...with 1/6 Hartree-Fock contribution (ToÌbbens and Kahlenberg 2011) of the PBE0 hybrid functional (Adamo and...0006(4) 0.0002(4) described earlier (ToÌbbens and Kahlenberg 2011). The following atomic basis sets were used:...behaviour of the selected functional (ToÌbbens and Kahlenberg 2011). A list of the observed and calculated...CaTiSiO5 . Am Mineral 61:435â447 ToÌbbens DM, Kahlenberg V (2011) Improved DFT calculation of Raman spectra | | Gfeller, Frank, Ćrodek, Dorota, Kusz, Joachim, Dulski, Mateusz, Gazeev, Viktor, Galuskina, Irina, Galuskin, Evgeny, Armbruster, Thomas (2015) Mayenite supergroup, part IV: Crystal structure and Raman investigation of Al-free eltyubyuite from the Shadil-Khokh volcano, Kel' Plateau, Southern Ossetia, Russia. European Journal of Mineralogy, 27 (1) 137-143 doi:10.1127/ejm/2015/0027-2421 | Journal (article/letter/editorial) | Chegem, northern Caucasus, Russia, and Eifel, Germany, where it forms a solid-solution with wadalite...Fe-rich wadalite from the Bellerberg Volcano, Eifel, Germany (MihajlovicÌ et al., 2004), (5) wadalite and eltyubyuite...cuspidine, wadalite, magnesioferrite, Ti-bearing andradite were identified. Wollastonite, aÌkermanite, merwinite...of the mayenite supergroup instead of garnets (andraditeâgrossular series), gehlenite or ferrite-aluminates...Bellerberg volcano near Mayen, Eifel district, Germany. Mineral. Mag., 76, 707â716. Galuskin, E.V., Galuskina | | Galuskin, E. V., Gfeller, F., Savelyeva, V. B., Armbruster, T., Lazic, B., Galuskina, I. O., Tobbens, D. M., Zadov, A. E., Dzierzanowski, P., Pertsev, N. N., Gazeev, V. M. (2012) Pavlovskyite Ca8(SiO4)2(Si3O10): A new mineral of altered silicate-carbonate xenoliths from the two Russian type localities, Birkhin massif, Baikal Lake area and Upper Chegem caldera, North Caucasus. American Mineralogist, 97 (4) 503-512 doi:10.2138/am.2012.3970 | Journal (article/letter/editorial) | gehlenite-Ă„kermanite series, garnet of the grossular-andradite-schorlomite-kerimasite series, baghdadite, chlorbartonite...(Bayerisches Geoinstitute, University of Bayreuth, Germany). The incident laser excitation was provided by...followed previously tested procedures (Többens and Kahlenberg 2011), using for the Hamiltonian a variation...Bayerisches Geoinstitut, UniversitĂ€t Bayreuth, Germany, for affording Raman-spectroscopy investigations...(in Russian). Kaindl, R., Többens, D.M., and Kahlenberg, V. (2010) DFT-aided interpretation of the Raman | | KrzÄ
taĆa, Arkadiusz, KrĂŒger, Biljana, Galuskina, Irina, Vapnik, Yevgeny, Galuskin, Evgeny (2020) Walstromite, BaCa2(Si3O9), from Rankinite Paralava within Gehlenite Hornfels of the Hatrurim Basin, Negev Desert, Israel. Minerals, 10 (5) 407 doi:10.3390/min10050407 | Journal (article/letter/editorial) | gehlenite-Ă„kermanite-alumoĂ„kermanite, schorlomite-andradite series and wollastonite). Walstromite associates...gehlenite-Ă„kermanite-alumoĂ„kermanite, schorlomite-andradite and fluorapatite-fluorellestadite series. This...rock (Figure 2). The size of some schorlomite-andradite series garnet crystals is up to 1.5 cm in size...types of rocks, the main minerals are Ti-bearing andradite, gehlenite, fluorapatite and accessory magnesiochromite...polarized light). light). Brown: Brown: Ti-bearing andradite; yellow of different hues: gehlenite; colorless: | | Galuskina, Irina O., Galuskin, Evgeny V., Pakhomova, Anna S., Widmer, Remo, Armbruster, Thomas, KrĂŒger, Biljana, Grew, Edward S., Vapnik, Yevgeny, DzieraĆŒanowski, Piotr, Murashko, Mikhail (2017) Khesinite, Ca4Mg2Fe3+10O4[(Fe3+10Si2)O36], a new rhönite-group (sapphirine supergroup) mineral from the Negev Desert, Israelâ natural analogue of the SFCA phase. European Journal of Mineralogy, 29 (1) 101-116 doi:10.1127/ejm/2017/0029-2589 | Journal (article/letter/editorial) | Geoinstitut, UniversitĂ€tsstraĂe 30, 95447 Bayreuth, Germany Mineralogical Crystallography, Institute of Geological...members of the solid-solution series: schorlomiteâandradite, gehleniteâackermaniteââFe3ĂŸ-gehleniteâ, magnesioferriteâspinel...minerals represented by solid solutions: schorlomiteâandraditeâgrossular, gehlenite-ackermanite-âFe3ĂŸ-gehleniteâ... BSE image; (b) overgrowths of khesinite and andradite on magnesioferrite (specimen no. IS67). Points...Ap â ïŹuorapatite, Mgf â magnesioferrite, Adr â andradite. Table 1. Chemical composition of minerals of | | | Journal (article/letter/editorial) | Erlangen-NĂŒrnberg, Schlossgarten 5a, 91054 Erlangen, Germany. thomas.angerer@uibk.ac.at 1 2 Despite the strong...Stilleweg 2, Hannover Germany; present address: Kiebitzweg, 104, 30880 Laatzen, Germany 3 Department of Lithospheric...Geowissenschaften und Rohstoffe (BGR, Hannover, Germany) carried out a reconnaissance survey of a hitherto...include the garnet end members spessartine and andradite and the biotite end members annite and eastonite...245(2) c = 26.824(3) Ă
, α = 90.00(1)°. HEJNY, C., KAHLENBERG, V., EBERHARD, T. & KRĂGER, H. (2016): Acta Crystallogr | | Kaneva, Ekaterina, Radomskaya, Tatiana, Shendrik, Roman, Chubarov, Victor, Danilovsky, Victoria (2021) Potassic-Hastingsite from the Kedrovy District (East Siberia, Russia): Petrographic Description, Crystal Chemistry, Spectroscopy, and Thermal Behavior. Minerals, 11 (10) 1049 doi:10.3390/min11101049 | Journal (article/letter/editorial) | (Figure 3j). Such zoning is typical for grossular-andradite garnets [26â28]. Garnet grains are broken by numerous...fluorescence spectrometer S4 Pioneer (Bruker AXS, Berlin, Germany). 2.3. Structural Analysis Single crystal X-ray...automated diffractometer (Bruker AXS, Berlin, Germany) with graphite-monochromatized MoKα radiation at...ADVANCE powder diffractometer (Bruker AXS, Berlin, Germany) with Bragg-Brentano geometry (Cu-Kα radiation...TOPAS 4.2 software package (Bruker AXS, Berlin, Germany) [40]. The background was modeled using a Chebychev | | Prencipe, Mauro, Mantovani, Luciana, Tribaudino, Mario, Bersani, Danilo, Lottici, Pier Paolo (2012) The Raman spectrum of diopside: a comparison between ab initio calculated and experimentally measured frequencies. European Journal of Mineralogy, 24 (3) 457-464 doi:10.1127/0935-1221/2012/0024-2178 | Journal (article/letter/editorial) | PBE0) has been recently stated by ToÌbbens & Kahlenberg (2011). As a concluding remark we stress here...(2005b): Vibration frequencies of Ca3Fe2Si3O12 andradite: an ab initio study with the CRYSTAL code. J.... Chem. Miner., 24, 440â446. ToÌbbens, D.M. & Kahlenberg, V. (2011): Improved DFT calculation of Raman | | Shannon, Ruth C., Lafuente, Barbara, Shannon, Robert D., Downs, Robert T., Fischer, Reinhard X. (2017) Refractive indices of minerals and synthetic compounds. American Mineralogist, 102 (9) 1906-1914 doi:10.2138/am-2017-6144 | Journal (article/letter/editorial) | Center for Materials and Processes, D-28359 Bremen, Germany 1 2 Abstract This is a comprehensive compilation...(OH)12â6H2O Maroldsweisach, Franconia, Bavaria, Germany ThO2 Synthetic 2.105 2.105 2.105 2.105 2.078 1...1.735 â0.6 260 21.67 31.323 McConnell (1964) andradite Mn(OH)2 pyrochroite Langban, 1.723 1.723 1.681...3533 2.321 1.4 33.27 16.64 7.082 Larsen (1921) Germany Fe3+O(OH) goethite Restormel Royal 2.275 2.409...Australia cobalt-korignite Saxony, Erzgebirge, Germany Arsenates (Co0.68Zn0.24Cu0.02Fe0.01Ni0.01)S0.96AsO3OHâH2O | | Wilke, Max, Farges, François, Petit, Pierre-Emmanuel, Brown, Gordon E., Martin, François (2001) Oxidation state and coordination of Fe in minerals: An FeK-XANES spectroscopic study. American Mineralogist, 86 (5) 714-730 doi:10.2138/am-2001-5-612 | Journal (article/letter/editorial) | UniversitĂ€t Potsdam Postfach 601553 14415 Potsdam, Germany. E-mail: max@geo.uni-potsdam.de 0003-004X/01/0506â714$05...aegirine NaFeSi2O6 6 unknown locality, Arizona â andradite Ca3Fe1.8Al0.2Si3O12 mĂ©lanite Ca3(Fe,Ti)2Si3O12...10020 7113.51 0.9997 0.0310 7114.10 1.619 0.0577 andradite 0.0244 7112.78 1.344 0.0400 0.0757 7113.48 0.9994...normalized absorbance other transitions Fe:LiAlO2 andradite yoderite 7110 epidote 7114 7118 Energy (eV)...atoms around Fe3+ is slightly distorted (as in andradite, aegirine and Fe3+ sulfate), two components are | | Gatta, G. Diego, HĂ„lenius, Ulf, Bosi, Ferdinando, Cañadillas-Delgado, Laura, Fernandez-Diaz, Maria Teresa (2019) Minerals in cement chemistry: A single-crystal neutron diffraction study of ettringite, Ca6Al2(SO4)3(OH)12·27H2O. American Mineralogist, 104 (1) 73-78 doi:10.2138/am-2019-6783 | Journal (article/letter/editorial) | medium-sized (up to 1 mm), pale-red, granular grains of andradite and fine-grained clinochlore. Electron microprobe..., Liermann, H-P., NĂ©nert, G., Rothkirch, A., Kahlenberg, V., and Pavese, A. (2013) On the crystal structure...determination and refinement. University of Göttingen, Germany. Skoblinskaya, N.N., and Krasilnikov, K.G. (1975) | | | Journal (article/letter/editorial) | observed. Introduction Editorial handling: V. Kahlenberg Electronic supplementary material The online...mainly associated with hedenbergite, grossular-andradite garnets, quartz, and ilvaite. Pyrite and chalcopyrite...University. We also thank Associated Editor Prof. V. Kahlenberg, Prof. F. CĂĄmara and an anonymous reviewer. ...Sheldrick GM (1996) SADABS. University of Göttingen, Germany Sheldrick GM (2008) A short history of SHELX. Acta | | Kovalskaya, T. N., Varlamov, D. A., Kotelnikov, A. R., Chukanov, N. V., Kalinin, G. M. (2019) Hydrothermal Synthesis of GalloepidoteâAnalogue of Phase Ca2Al2Ga(Si3O12)(OH) from the Tykotlova GoldâSulfide Occurrence. Geochemistry International, 57 (10) 1095-1106 doi:10.1134/s0016702919100069 | Journal (article/letter/editorial) | CaâGaâAlâFeâSiâO system (analogs of grossularâandradite garnets and Ca feldspars) as the by-products of...Fourier spectrometer ALPHA FTIR (Bruker Optics, Germany) within wavenumbers of 360â3800 cmâ1, at a resolution...17â22 (2010). R. Kaindl, D. M. Többens, and V. Kahlenberg, âDFT-aided interpretation of the Raman spectra | | | Journal (article/letter/editorial) | negligible. It is mostly consisted of quartz, garnets (andradite), calcite, clinozoisite, epidote, amphiboles (tremolite...authors are most grateful to Professor Volker Kahlenberg and his assistant Biljana LazicÌ (Institute for | | | Journal (article/letter/editorial) | following lines and standards were used: Kα: andradite (Ca), baryte (S), lammerite (Cu), fluorapatite...Krivovichev SV, Chernyshov DY, Döblin N, Armbruster T, Kahlenberg V, Kaindl R, Ferraris G, Tessadri R, Kaltenhauser | | | Journal (article/letter/editorial) | Geoinstitute, UniversitĂ€t Bayreuth, D-95440 Bayreuth, Germany ABSTRACT The response of staurolite to pressure...diffractometer at the Bayerisches Geoinstitut (Germany). High-pressure structure determinations were carried...Chemistry of Minerals, 22, 108â114. Koch-MĂŒller, M., Kahlenberg, V., Bubenick, W., and Gottschalk, M. (1998)...Pressure-volume-temperature equation of state of andradite and grossular, by high-pressure and -temperature...structure determination. University of Gottingen, Germany. StĂ„hl, K. and Legros, J.P. (1990) On the structure | | | Journal (article/letter/editorial) | best-studied examples are those from Laacher See, Eifel, Germany (Chukanov et al., 2011; Pekov et al., 2011); Loch...to 1 mm long) are present in association with andradite and Fe-(hydro) oxide veinlets. The syenitic suite...haĂŒyne and nosean in phonolitic magmas (Eifel, Germany and Saghro, Morocco). American Mineralogist, 100...Mineralogist, 101, 253â265. Gatta, G.D., Lotti, P., Kahlenberg, V. and Haefeker, U. (2012) The low-temperature...Advanced Materials I. Springer Berlin Heidelberg, Germany. Pekov, I.V., Olysych, L.V., Chukanov, N.V., Zubkova | | | Journal (article/letter/editorial) | MECHANISMS IN TERRESTRIAL SEDIMENTS OF NUSSLOCH (GERMANY) Brazier, J.-M.1,2, Schmitt, A.-D.2, Gangloff,...University of Bonn, Nussallee 13, D-53115 Bonn, Germany. 4 Department of Geography, University of Zurich...these kinds of sequences from Nussloch region (Germany). Our results indicate that the leached fractions...Darmstadt, Franzika-Braun-StraĂe 3, D-64287 Darmstadt, Germany 4 Institute of Molecular Biosciences, University... dietmar.klammer@tugraz.at D-64287 Darmstadt, Germany 4 Institute of Molecular Biosciences, University |
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