 | Grew, E. S., Graetsch, H. A., Poter, B., Yates, M. G., Buick, I., Bernhardt, H.-J., Schreyer, W., Werding, G., Carson, C. J., Clarke, G. L. (2008) Boralsilite, Al16B6Si2O37, and "boron-mullite:" Compositional variations and associated phases in experiment and nature. American Mineralogist, 93 (2) 283-299 doi:10.2138/am.2008.2571 | Journal (article/letter/editorial) | | MST1002, grandidierite enclosing abundant fine ilmenite is found only as an overgrowth on werdingite....matrix. Light grains are hercynite (subequant) and ilmenite (tabular). Sample 95-175D. (b) Banded “boron-mullite”...113001, about 100 m SW of locality 112906. Lens cap is 5 cm in diameter. (b) Photomicrograph of twinned...X, 2nd – Sil, And 600–700, 3–4 1, 2 Cap Andrahomana, Madagascar –§ X – X – – Sil, 2nd And 600–700, 4...Tourmaline was reported in another pegmatite at Andrahomana (Behier 1961). Figure 3 shows that the P-T conditions |  | | Journal (article/letter/editorial) | | areas worldwide: Almgjotheii, Norway, Cap Andrahomana, Madagascar, and Horní Bory, Czech Republic (e.g...found with grandidierite and werdingite at Cap Andrahomana): low Ti and F contents and high Al content...pegmatite-forming melts at Almgojtheii and Cap Andrahomana were relatively dry, then there could have...garnet – tourmaline – sillimanite – biotite – ilmenite – quartz assemblage from the granulitefacies region |  | | Report (issue) | | The Natural History Museum of Milan and its Madagascar Collection The Museo Civico di Storia Naturale... the museum began paleontologic fieldwork in Madagascar (upper Permian fauna and Jurassic and Cretaceous...fieldwork in Madagascar in 1996 in collaboration with other institu tions in Madagascar, Italy, and the...Pezzotta has spent a total of twenty nine months in Madagascar making geological-mineralogical surveys. In collaboration...both classic and new minerals and gemstones from Madagascar opened at the Natural History Museum in Milan |  | Buick, Ian S., Grew, Edward S., Armbruster, Thomas, Medenbach, Olaf, Yates, Martin G., Bebout, Gray E., Clarke, Geoffrey L. (2008) Boromullite, Al9BSi2O19, a new mineral from granulite-facies metapelites, Mount Stafford, central Australia: a natural analogue of a synthetic "boron-mullite". European Journal of Mineralogy, 20 (5) 935-950 doi:10.1127/0935-1221/2008/0020-1809 | Journal (article/letter/editorial) | | werdingite and its Fe-dominant analogue, hercynite, and ilmenite are other commonly associated minerals, whereas...boromullite, Crd – cordierite, Hc – hercynite, Ilm – ilmenite, Mnz – monazite, Sil – sillimanite, Wrd – werdingite...all the sections, whereas biotite, hercynite and ilmenite are subordinate and quartz is rare. Both Fe- and...boromullite, Crd – cordierite, Hc – hercynite, Ilm – ilmenite, Kfs – K-feldspar, Sil – sillimanite, Tur – tourmaline...South Africa, Rogaland, Norway, Cap Andrahomana, Madagascar, Urungwe district, Zambia and Bok se Puts, South |  | | Journal (issue) | | Albite, 11.2 cm, from the La Marina mine, Muzo District, Boyaca Department, Colombia. See the article...Hodrusa-Hamre (in the Banska Stiavnica mining district) is also the type locality for hodrusite. V INTRODUCTION...historical events before 1920, we will use the older district name of Schemnitz in accordance with the literature...time, whereas for events after 1920 the modem district name of Banska Stiavnica will be used, bearing...to the same district. A list of the names of other sites in the Hanska Stiavnica district is given in |
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