 | | Journal (article/letter/editorial) | | Park, Toronto, Ontario M5S 2C6 , Canada 1 boromulliTe* I.S. Buick, E.S. Grew, T. Armbruster, O. Medenbach...(2008) Boromullite, Al9BSi2O19, a new mineral from granulite-facies metapelites, Mount Stafford, central...central Australia: a natural analogue of a synthetic “boron-mullite”. Eur. J. Mineral., 20, 935–950. The...locality of boromullite, Mount Stafford, is situated about 170 km northwest of Alice Springs, central Australia...Australia (22°01'S, 132°40'E). The Mount Stafford area comprises Proterozoic metasedimentary and metagranitic |  | | Journal (article/letter/editorial) | | partially melted metasedimentary rocks, Mt. Stafford, Australia Annie P. Palya a, Ian S. Buick b, Gray E...Migmatite Mount Stafford Partial melting Isotope fractionation a b s t r a c t The Mt. Stafford region, central...central Australia, provides well-exposed metasedimentary rocks whose protoliths were deposited at ca. 1...the shallow- to midcontinental crust. In the Mt. Stafford metapelitic/metapsammitic suite, whole-rock δ15Nair...Although assessments of element loss in the Mt. Stafford suite are greatly complicated by the large degree |  | | Report (issue) | | Boromullite Al9BSi2O19 Crystal Data: Orthorhombic. Point Group: mm2. As prisms or bundles of prisms...675(3) Z=2 X-ray Powder Pattern: Mount Stafford, central Australia. 3.38 (100), 2.19 (80), 1.512 (80)...10 0.07 0.00 0.01 0.40 100.12 (1) Mount Stafford, central Australia; average of 11 electron microprobe... Distribution: Mount Stafford, ~170 km northwest of Alice Springs, central Australia. Name: Recognizes... Morgan Thomas Lane, Adelaide, South Australia 5000, Australia; SAM G31520 and SAM G31521. References: |  | Cempírek, Jan, Grew, Edward S., Kampf, Anthony R., Ma, Chi, Novák, Milan, Gadas, Petr, Škoda, Radek, Vašinová-Galiová, Michaela, Pezzotta, Federico, Groat, Lee A., Krivovichev, Sergey V. (2016) Vránaite, ideally Al16B4Si4O38, a new mineral related to boralsilite, Al16B6Si2O37, from the Manjaka pegmatite, Sahatany Valley, Madagascar. American Mineralogist, 101 (9) 2108-2117 doi:10.2138/am-2016-5686 | Journal (article/letter/editorial) | | includes two ternary phases occurring naturally, boromullite, Al9BSi2O19, and boralsilite, Al16B6Si2O37, as...99.31. Raman spectroscopy in the 3000–4000 cm–1 region rules out the presence of significant OH or H2O...includes two ternary phases occurring naturally, boromullite, Al9BSi2O19, and boralsilite, Al16B6Si2O37, as...Phases related to mullite (circles), including boromullite (bar), together with dumortierite (diamond),...“boron-mullites” (dashed lines, Werding and Schreyer 1996); boromullite polysomatic series (Buick et al. 2008); “boron-mullite |  | Grew, Edward S., Armbruster, Thomas, Lazic, Biljana, Yates, Martin G., Medenbach, Olaf, Huijsmans, Joep P.P. (2011) Werdingite from a pegmatite at Almgjotheii, Rogaland, Norway: The role of iron in a borosilicate with a mullite-type structure. European Journal of Mineralogy, 23 (4) 577-589 doi:10.1127/0935-1221/2011/0023-2121 | Journal (article/letter/editorial) | | Mg)Al3BSiO9, boralsilite, Al16B6Si2O37, and boromullite, Al9BSi2O19 (e.g., Fischer & Schneider, 2008)...Assuming that the increase of indices in the visible region is close to the increase at l ¼ 1 it is expected...intergrowths of sillimanite in boralsilite and of boromullite or corundum in werdingite. In summary, there...but also of sillimanite-boromullite intergrowths from Mt. Stafford, Australia (Buick et al., 2008). The...scalariform intergrowths between sillimanite and boromullite are reported by Buick et al. (2008), suggesting |  | Cempirek, J., Novak, M., Dolnicek, Z., Kotkova, J., Skoda, R. (2010) Crystal chemistry and origin of grandidierite, ominelite, boralsilite, and werdingite from the Bory Granulite Massif, Czech Republic. American Mineralogist, 95 (10) 1533-1547 doi:10.2138/am.2010.3480 | Journal (article/letter/editorial) | | 0003-004X/10/0010–1533$05.00/DOI: 10.2138/am.2010.3480 boromullite. Werdingite occurs in granulite-facies metamorphic...metamorphic rocks in South Africa, Zimbabwe, and Australia (Moore et al. 1990; Grew et al. 1997; Buick et...2008), whereas boromullite is known only from a single locality in granulitic rock in Australia (Buick et...observed in grandidierite-free portions in the central part of the veinlet. K-feldspar (Or94Ab6−Or85Ab14An1)...boralsilite and boromullite (or contamination of the analytical spot by boromullite or corundum), which |  | Novák, Milan, Cempírek, Jan, Gadas, Petr, Škoda, Radek, Vašinová Galiová, Michaela, Pezzotta, Federico, Groat, Lee A. (2015) Boralsilite and Li, Be-bearing "Boron Mullite" Al8B2Si2O19, Breakdown products of spodumene from the Manjaka pegmatite, Sahatany valley, Madagascar. The Canadian Mineralogist, 53 (2) 357-374 doi:10.3749/canmin.1400092 | Journal (article/letter/editorial) | | Kotlářská 267/2, 611 37 Brno, Czech Republic Central European Institute of Technology (CEITEC), Masaryk...∼0.5 mm thick, or rarely as inclusions in the central parts of spodumene crystals. Long prismatic crystals...located in the north-east part of the Itremo Region, Central Madagascar (Fig. 1). This pegmatite field is...using Raman spectroscopy in the 3000– 4000 cm−1 region. When taking into account the contents of light...is present in rims along spodumene and from its central parts (Fig. 4a,d) to other B-rich minerals are |  | Bačík, P., Ozdín, D., Miglierini, M., Kardošová, P., Pentrák, M., Haloda, J. (2011) Crystallochemical effects of heat treatment on Fe-dominant tourmalines from Dolní Bory (Czech Republic) and Vlachovo (Slovakia) Physics and Chemistry of Minerals, 38 (8) 599-611 doi:10.1007/s00269-011-0432-5 | Journal (article/letter/editorial) | | Fourier transform infrared spectra in the middle IR region (4,000–400 cm-1) were obtained using a Nicolet...structure of mullite (Werding and Schreyer 1984), boromullite (Buick et al. 2008), boralsilite (Grew et al...(2008) Boromullite, a new mineral from the granulite-facies metapelites, Mount Stafford, central Australia: |  | Gatta, G. Diego, Rotiroti, Nicola, Fisch, Martin, Armbruster, Thomas (2010) Stability at high pressure, elastic behavior and pressure-induced structural evolution of “Al5BO9”, a mullite-type ceramic material. Physics and Chemistry of Minerals, 37 (4) 227-236 doi:10.1007/s00269-009-0327-x | Journal (article/letter/editorial) | | group, together with Al18B4O33, Al9BSi2O19 (boromullite) and Al16.6Cr1.4B4O33. Due to the structural...(2008) Boromullite, Al9BSi2O19, a new mineral from granulite-facies metapelites, Mount Stafford, central...central Australia, a natural analogue of a synthetic ‘‘boron-mullite’’. Eur J Mineral 20:935–950 Burnham |
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