 | Ertl, Andreas, Rossman, George R., Hughes, John M., Ma, Chi, Brandstätter, Franz (2008) V3+-bearing, Mg-rich, strongly disordered olenite from a graphite deposit near Amstall, Lower Austria: A structural, chemical and spectroscopic investigation. Neues Jahrbuch für Mineralogie - Abhandlungen, 184 (3) 243-253 doi:10.1127/0077-7757/2008/0100 | Journal (article/letter/editorial) | | strongly disordered olenite from a graphite deposit near Amstall, Lower Austria: A structural, chemical and...from the graphite deposit at Weinberg Mountain, west of the village of Amstall, Lower Austria, were obtained...village of Amstall, Lower Austria, occurs in small quartz-feldspar dikes in graphite schist. Ertl (1995)...of the mineral paragenesis from this large graphite deposit, gave unit-cell parameters and the results... 244 W. Ertl et al. The structure of V-rich dravite was first described by Foit & Rosenberg (1979) |  | Bačík, P., Uher, P., Cempírek, J., Vaculovič, T. (2012) Magnesian tourmalines from plagioclase-muscovite-scapolite metaevaporite layers in dolomite marble near Prosetín (Olešnice Unit, Moravicum, Czech Republic) Journal of GEOsciences, 57 (3) 143-153 | Journal (article/letter/editorial) | | in the X-site. Some analyses correspond to “oxy-dravite” and some others almost attain magnesio-foitite...tourmalines: (1) CaMg(NaAl)–1, mainly in Ca-enriched dravite, (2) X□Al(NaMg)–1 in nearly magnesio-foititic compositions...suggests that Sr accumulated in Ca-enriched zones of dravite. The pale blue–grey color of the studied tourmalines...–scapolite rocks. Keywords: tourmaline, dravite, oxy-dravite, crystal chemistry, metaevaporites, Bohemian...Extremely magnesian tourmaline including dravite, “oxy-dravite” and magnesio-foitite is confined to specific |  | | Journal (article/letter/editorial) | | metamorphism. The core of the grains is a product of the lower-grade M1 metamorphic event, whereas the intermediate...with quartz-rich rocks containing organic matter (graphite). Badalov (1951) reported the occurrence of V-bearing...V-bearing tourmaline in black quartz–graphite hornfels from Uzbekistan. Vanadium-bearing tourmaline also...(Snetsinger 1966, Foit & Rosenberg 1979), the Kwal district, Kenya (Schmetzer et al. 1979), Bítovánky, Czech...Russia (Kazachenko et al. 1993), and Amstall, Lower Austria (Ertl et al. 2008). Vanadium-bearing tourmaline |  | Bačík, P., Uher, P., Ertl, A., Jonsson, E., Nysten, P., Kanický, V., Vaculovič, T. (2012) Zoned REE-Enriched Dravite from a Granitic Pegmatite in Forshammar Bergslagen Province, Sweden an EMPA XRD and LA-ICP-MS Study. The Canadian Mineralogist, 50 (4) 825-841 doi:10.3749/canmin.50.4.825 | Journal (article/letter/editorial) | | : 10.3749/canmin.50.4.825 ZONED REE-ENRICHED DRAVITE FROM A GRANITIC PEGMATITE IN FORSHAMMAR, BERGSLAGEN...Universität Wien, Althanstraße 14, A–1090 Wien, Austria Erik JONSSON Geological Survey of Sweden, Box...indicate that the tourmaline can be classified as a dravite with moderate Al–Mg disorder at the Y and Z sites...(0.76–0.79), but increases in the rim and vein dravite (0.93). The core has the highest proportion of...and AlOMg–1(OH)–1 substitutions. The Forshammar dravite shows the highest known concentrations of REE from |  | Cempírek, J., Houzar, S., Novák, M., Groat, L. A., Selway, J. B., Šrein, V. (2013) Crystal structure and compositional evolution of vanadium-rich oxy dravite from graphite quartzite at Bítovánky, Czech Republic. Journal of GEOsciences, 58 (2) 149-162 | Journal (article/letter/editorial) | | compositional evolution of vanadium-rich oxy‑dravite from graphite quartzite at Bítovánky, Czech Republic Jan...types of V-rich dravitic tourmaline (oxy-dravite to dravite) distinct in their color, morphology, paragenesis...paragenesis and composition from graphite quartzite at Bítovánky near Třebíč, Moldanubicum, Bohemian Massif...single-crystal X-ray diffraction. Green oxy-dravite (GVD) from graphite quartzite is sporadically zoned with...with V-enriched rims; brown oxy-dravite to dravite (BVD) from mobilized quartz-rich nests is characterized |  | | Journal (article/letter/editorial) | | OXIDE MINERALS OF THE GREEN GIANT VANADIUMGRAPHITE DEPOSIT, SOUTHWEST MADAGASCAR VERONICA E. DI CECCO§ AND...oxide minerals have been previously identified in graphite-bearing quartzo-feldspathic gneisses derived from...minerals are described from the Green Giant vanadium-graphite property in southwest Madagascar. The vanadium-rich...Keywords: vanadium, vanadium oxides, Madagascar, graphite, oxyvanite, Green Giant, schreyerite. INTRODUCTION...INTRODUCTION The Green Giant vanadium-graphite deposit is located in southwest Madagascar (Fig. 1), 145 km |  | Ertl, A., Marschall, H. R., Giester, G., Henry, D. J., Schertl, H.-P., Ntaflos, T., Luvizotto, G. L., Nasdala, L., Tillmanns, E. (2010) Metamorphic ultrahigh-pressure tourmaline: Structure, chemistry, and correlations to P-T conditions. American Mineralogist, 95 (1) 1-10 doi:10.2138/am.2010.3283 | Journal (article/letter/editorial) | | Universität Wien, Althanstrasse 14, 1090 Wien, Austria Department of Earth Sciences, Wills Memorial Building...Universität Wien, Althanstrasse 14, A-1090 Wien, Austria 6 Institut für Geowissenschaften, Universität Heidelberg...behavior related to temperature and pressure. Dravite from Parigi, Dora Maira, Western Alps (peak P-T...10Mg0.90)(BO3)3 Si6.00O18 (OH)3 [(OH)0.72F0.28]. Dravite from Lago di Cignana, Western Alps, Italy (~2.7–2...Manning and Pichavant 1983). The stability of dravite was established in experiments by Werding and Schreyer |  | Ertl, Andreas, Rakovan, John, Hughes, John M., Bernhardt, Heinz-Jürgen, Rossman, George R. (2019) Vanadium-rich Muscovite from Austria: Crystal Structure, Chemical Analysis, and Spectroscopic Investigations. The Canadian Mineralogist, 57 (3) 383-389 doi:10.3749/canmin.1900020 | Journal (article/letter/editorial) | | 3749/canmin.1900020 VANADIUM-RICH MUSCOVITE FROM AUSTRIA: CRYSTAL STRUCTURE, CHEMICAL ANALYSIS, AND SPECTROSCOPIC...Universität Wien, Althanstraße 14, A-1090 Vienna, Austria JOHN RAKOVAN Department of Geology and Environmental...veins in graphite schist from Weinberg mountain, near the village of Amstall, Lower Austria, is distinctly...muscovite-2M1, crystal structure, graphite schist, Amstall, Austria. INTRODUCTION Vanadium-bearing muscovite-2M1...was reported by Snetsinger (1966) from a quartz-graphite § schist (Mariposa County, California, USA) |  | | Journal (article/letter/editorial) | | end-member compositions [dravite NaMg 3Al 6Si 6O 18(BO 3) 3(OH) 3OH, K-dravite KMg3Al6Si6O18(BO3)3(OH)3OH...derivatives (K0ʹ = ∂K0/∂P)T: dravite K0 = 97(6), K0ʹ = 5.0(5); K-dravite K0 = 109(4), K0ʹ = 4.3(2); oxy-uvite...Tourmaline equation of state parameters Dravite K-dravite Oxy-uvite Magnesio-foitite Olenite K0 (GPa)...1568(2) 1485(3) This study Natural tourmaline Dravite 110(3) 4.6(8) 1578.2(2) 112(1) [4] 1578.2(2) O’Bannon...Elbaite-schorl 117 a 1568 a Schorl-dravite 116 1578 a Schorl-dravite 118 1578 a Schorl 120 1553 Tatli and |  | | Report (issue) | | Alexander U. Falster and William B. Simmons • Dravite from Qarusulik, Ameralik Fjord in Southwestern...This 24 cm wide "schorl" specimen from Tyrol, Austria was part of the Gigot D'Orcy collection and is...no. 2.2200). The overall specimen is 4 cm wide. Lower: The matrix specimen was donated to Yale (cat. no...Tschermak later focused on tourmaline and named dravite, the third of the currently accepted tourmaline...accepted tourmaline species: schorl, elbaite and dravite. Quensel and Gabrielson (1939) revised Riggs' (1888) |  | Hughes, J. M., Rakovan, J., Ertl, A., Rossman, G. R., Baksheev, I., Bernhardt, H.-J. (2011) Dissymmetrization in tourmaline: the atomic arrangement of sectorally zoned triclinic Ni-bearing dravite. The Canadian Mineralogist, 49 (1) 29-40 doi:10.3749/canmin.49.1.29 | Journal (article/letter/editorial) | | ARRANGEMENT OF SECTORALLY ZONED TRICLINIC Ni-BEARING DRAVITE John M. HUGHES§ Department of Geology, The University...Universität Wien, Althanstrasse 14, A–1090 Vienna, Austria George R. ROSSMAN Division of Geological and Planetary...atomic arrangement of Ni-bearing dravite from the Berezovskoe gold deposit, Middle Urals, Russia, in the...sites. The atomic arrangement of this triclinic dravite demonstrates that the atomic arrangement of tourmaline...by modifying the putative hexagonal structure in lower symmetries, suggesting that further exploration |  | | Journal (article/letter/editorial) | | group R3m with Z = 3, although some studies report lower symmetry such as orthorhombic, monoclinic, or triclinic...Bosiite NaFe33+(Al4Mg2)Si6O18(BO3)3(OH)3O Chromium-dravite NaMg3Cr6Si6O18(BO3)3(OH)3OH Chromo-alumino-povondraite... Darrellhenryite NaLiAl2Al6Si6O18(BO3)3(OH)3O Dravite NaMg3Al6Si6O18(BO3)3(OH)3OH Elbaite Na(Li1.5,Al1...Fluor-buergerite NaFe3+ 3 Al6Si6O18(BO3)3O3F Fluor-dravite NaMg3Al6Si6O18(BO3)3(OH)3F Fluor-elbaite Na(Li1...NaAl3Al6Si6O18(BO3)3O3OH Oxy-chromium-dravite NaCr3(Cr4Mg2)Si6O18(BO3)3(OH)3O Oxy-dravite Na(Al2Mg)(Al5Mg)Si6O18(BO3)3(OH)3O |  | | Journal (article/letter/editorial) | | induced cation redistribution in Fe‑bearing oxy‑dravite and potential geothermometric implications Ferdinando...Berlin Heidelberg 2016 Abstract Iron-bearing oxy-dravite was thermally treated in air and hydrogen atmosphere...coordinated Y and Z sites, an Fe3+-bearing oxy-dravite sample was thermally treated in air or hydrogen... The Fe3+-bearing oxy-dravite of the present study was taken from oxy-dravite holotype material and was...refinement Crystal fragments of the heat-treated oxy-dravite (samples H2 and AIR) were selected for X-ray diffraction |  | | Journal (article/letter/editorial) | | mineral species (e.g. chromium-dravite, Rumyantseva, 1983 and vanadium-dravite, Reznitsky et al., 2001) were...1981) crystal-structure refinement of chromium-dravite showed that chromium can occupy both Y and Z sites...group (dravite, oxy-dravite, chromo-aluminopovondraite, oxy-chromium-dravite, vanadio-oxy-dravite, van...vanadio-oxy-chromium-dravite, oxy-vanadium-dravite, bosiite and povondraite) are solid solutions which can...cations in natural tourmalines are significantly lower (Table 4). We therefore conclude that eschweizerbart_xxx |  | Bosi, F., Reznitskii, L., Skogby, H., Halenius, U. (2014) Vanadio-oxy-chromium-dravite, NaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup. American Mineralogist, 99 (5) 1155-1162 doi:10.2138/am.2014.4568 | Journal (article/letter/editorial) | | 99, pages 1155–1162, 2014 Vanadio-oxy-chromium-dravite, NaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral...Stockholm, Sweden Abstract Vanadio-oxy-chromium-dravite, NaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O, is a new mineral...Cr-bearing goldmanite, escolaite-karelianite, dravite-oxy-vanadium-dravite, V-bearing titanite and rutile, ilmenite...and conchoidal fracture. Vanadio-oxy-chromium-dravite has a Mohs hardness of approximately 7½, and a...In plane-polarized light, vanadio-oxy-chromium-dravite is pleochroic (O = dark green, E = pale green) |  | Reznitskii, L., Clark, C. M., Hawthorne, F. C., Grice, J. D., Skogby, H., Halenius, U., Bosi, F. (2014) Chromo-alumino-povondraite, NaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup. American Mineralogist, 99 (8) 1767-1773 doi:10.2138/am.2014.4787 | Journal (article/letter/editorial) | | Russia) in association with dravite, oxy-chromium-dravite, oxy-dravite, quartz, calcite, chromphyllite...chromo-alumino-povondraite is related to oxy-dravite and oxy-chromium-dravite by the homovalent substitution Cr3+...solid solution in the Al3+-Cr3+-V3+ subsystem: oxy-dravite, end-member formula NaAl3(Al4Mg2)(Si6O18)(BO3)3(OH)3O...2012-004a; Bosi and Skogby 2013), oxy-chromium-dravite, NaCr3(Cr4Mg2)(Si6O18) (BO3)3(OH)3O (IMA 2011-097;...oxy-vanadium-dravite, NaV3(V4Mg2)(Si6O18)(BO3)3(OH)3O (IMA 11-E; Bosi et al. 2013a); vanadio-oxy-dravite, NaV3(Al4Mg2)(Si6O18) |  | | Journal (article/letter/editorial) | | PAPER Thermal stability of extended clusters in dravite: a combined EMP, SREF and FTIR study Ferdinando...Springer-Verlag Berlin Heidelberg 2016 Abstract A dravite from Yemen of near end-member composition was treated...indicating limited hydrogen loss. Untreated and treated dravite samples have very similar long-range and short-range...1350 Copenhagen K, Denmark Keywords Tourmaline · Dravite · Electron microprobe · Crystal structure refinement...O2–] accommodated at the [3]-coordinated O1 site. Dravite, ideally NaMg3Al6(Si6O18)(BO3)3(OH)3(OH), is the |  | Ertl, Andreas, Schuster, Ralf, Hughes, John M., Ludwig, Thomas, Meyer, Hans-Peter, Finger, Friedrich, Dyar, M. Darby, Ruschel, Katja, Rossman, George R., Klötzli, Urs, Brandstätter, Franz, Lengauer, Christian L., Tillmanns, Ekkehart (2012) Li-bearing tourmalines in Variscan granitic pegmatites from the Moldanubian nappes, Lower Austria. European Journal of Mineralogy, 24 (4) 695-715 doi:10.1127/0935-1221/2012/0024-2203 | Journal (article/letter/editorial) | | granitic pegmatites from the Moldanubian nappes, Lower Austria ANDREAS ERTL1,*, RALF SCHUSTER2, JOHN M. HUGHES3...Universität Wien, Althanstrasse 14, 1090 Wien, Austria *Corresponding author, e-mail: andreas.ertl@a1...(Geological Survey), Neulinggasse 38, 1030 Wien, Austria 3 Department of Geology, University of Vermont...Salzburg, Hellbrunnerstrasse 34, 5020 Salzburg, Austria 6 Department of Astronomy, Mount Holyoke College...Universität Wien, Althanstrasse 14, 1090 Wien, Austria 9 Mineralogisch-Petrographische Abteilung, Naturhistorisches |  | Bosi, Ferdinando, Reznitskii, Leonid, Hålenius, Ulf, Skogby, Henrik (2017) Crystal chemistry of Al–V–Cr oxy-tourmalines from Sludyanka complex, Lake Baikal, Russia. European Journal of Mineralogy, 29 (3) 457-472 doi:10.1127/ejm/2017/0029-2617 | Journal (article/letter/editorial) | | Cr-bearing goldmanite, eskolaite–karelianite, dravite, Vand Cr-bearing titanite, Cr-bearing rutile, ilmenite...active detection area, 512 512 pixels) and a graphite crystal monochromator, using MoKa radiation from...tourmalines (Ertl et al., 2008) with considerably lower Cr3þ (0.05 apfu) and V3þ contents (0.08 apfu)...vanadio-oxy-dravite; V-oxy-Cr-drv = vanadio-oxy-chromium-dravite; Oxy-V-drv = oxy-vanadium-dravite. O OH...classified as vanadio-oxy-dravite, oxy-vanadiumdravite, vanadio-oxy-chromium-dravite and chromo-alumino-povondraite |  | | Book (edition) | | dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g...., Bavaria. both Germany, and from the Rabejac deposit, Herault dept.. France.AM 49. 1578-1602, 1964....near Sobotfn, Moravia, Czech Rep., in skarn at the Sankt Christoph mine, near Breitenbrunn, Saxony, Germany...Grossgreiner Mt., overlooking Zillertal Valley, Tirol, Austria, and at Passo di Vizze, Trentino-Alto Adige, Italy...Counties, California, etc. At Jordan6w Slcl5ki, Lower Silesia, Poland. The oldest known deposits of white |  | Marks, Michael A.W., Marschall, Horst R., Schühle, Philipp, Guth, Anna, Wenzel, Thomas, Jacob, Dorrit E., Barth, Matthias, Markl, Gregor (2013) Trace element systematics of tourmaline in pegmatitic and hydrothermal systems from the Variscan Schwarzwald (Germany): The importance of major element composition, sector zoning, and fluid or melt composition. Chemical Geology, 344. 73-90 doi:10.1016/j.chemgeo.2013.02.025 | Journal (article/letter/editorial) | | alkali and X-vacant groups representing mostly dravite– schorl solid solutions with some analyses belonging...times were 16 s on the peak and 8 s each at the lower and upper background position, respectively. Table...alkali and X-vacant groups representing mostly dravite–schorl solid solutions with some analyses belonging...Foitite Mg-Foitite Schorl Dravite 0.9 0.5 0.8 0.4 0.7 Schorl 0.3 Dravite 0.6 Bad Säckingen 0...(Jolliff et al., 1986); from the Habachtal emerald deposit (Trumbull et al., 2009), from granite-related hydrothermal |  | | Journal (article/letter/editorial) | | calcite and dolomite marbles, minor metabasites, graphite-rich rocks and locally scapolite- and tourmaline-bearing...differences in the major elements, disregarding slightly lower SiO2/Al2O3 ratio, slightly increased Na and K contents...Carbonatite-like marbles were described from the Bliná graphite mine, the Èeský Krumlov Unit, Variegated Unit...with the carbonatite-like marble from the Bliná graphite mine. Localities of marbles with carbonatite-like...quarries are situated about 3 km NE of the graphite deposit Bliná, 600 m W of Muckov (Fig. 1). Marble |  | | Conference Proceedings (Volume) | | Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world Proceedings VOLUME...Meeting 12–15 AUGUST 2013, UPPSALA, SWEDEN Mineral deposit research for a high-tech world Proceedings Volume...volume: Jonsson, E. et al. (ed.), 2013: Mineral deposit research for a high-tech world. Proceedings of...Metallogeny of the Fennoscandian Shield. Mineral deposit research for a high-tech world. Proceedings of...peculiarities of vent chimneys from the Yubileynoye VMS deposit at the Early Devonian basalt-boninite basement |  | Pascal, Marjolaine, Ansdell, Kevin, Annesley, Irvine R., Kotzer, Tom, Jiricka, Dan (2016) Graphite-Bearing Pelitic Schists and Their Altered Equivalents In the Dufferin Lake Zone, South-Central Athabasca Basin, Saskatchewan: Constraints On Graphite Formation and Destruction, and Implications For Uranium Mineralization. The Canadian Mineralogist, 54 (6) 1459-1491 doi:10.3749/canmin.1600004 | Journal (article/letter/editorial) | | 1459-1491 (2016) DOI: 10.3749/canmin.1600004 GRAPHITE-BEARING PELITIC SCHISTS AND THEIR ALTERED EQUIVALENTS...ATHABASCA BASIN, SASKATCHEWAN: CONSTRAINTS ON GRAPHITE FORMATION AND DESTRUCTION, AND IMPLICATIONS FOR...reduced fluids/gases, and/or reduced basement rocks. Graphite and its breakdown products are suggested to be...uranium. In addition, the presence of well-connected graphite and sulfides within graphitic pelitic rocks is...replaced by texturally similar rocks within ‘‘graphite-depleted zones’’. These zones consist of chlorite |  | | Report (issue) | | 30)Σ=2.0 (V4+0.59Ti0.41)Σ=1.0O5. (2) Green Giant deposit, Madagascar; electron microprobe analysis, includes...Cr-bearing goldmanite, eskolaite-karelianite, dravite-vanadiumdravite series, V-bearing titanite, ilmenite... Russia [TL] and the Green Giant vanadium-graphite deposit, 145 km southeast of Toliara, Tulear Region...oxide minerals of the Green Giant vanadium-graphite deposit, southwest Madagascar. Can. Mineral., 56, |
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