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Bannermanite is monoclinic, space group C2/m, with a = 15.413(7), b = 3.615(2), c = 10.066(8) angstrom, beta = 109.29(8) degrees , Z = 2,D(obs) = 3.5+ or -0.2 g/cm 3 , and D(calc) = 3.55 g/cm 3 . The crystal structure of bannermanite has been refined to wR = 0.074. Bannermanite transmits light on thin edges,
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Bannermanite mineral data, information about Bannermanite, its properties and worldwide locations. ... Classification of Bannermanite ... Type Occurrence of Bannermanite...
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Alphabetical Mineral Index - B ... Search returned: 2225 items. Only items listed in bold are recognised mineral species. General use of other names should be discouraged. ... Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of...
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Bannermanite,a new sodium-potassiumv anadatei sostructural with F-NaJeOrs; JonN M. Hucnesr; Department of Earth Sciences, Dartmouth College, Hanover, New Hampshire 03755 lno Lnnnv W. FtxcEn; Geophysical Laboratory, Carnegie Institution of Washington, Washington, D. C. 20008;
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In view of the complete lack of detailed data on the phase and the discovery of bannermanite, coexisting a mineral in the natural alkali metal vanadium oxide bronze system(Hughesand Finger, 1983), detailedstudy ofthe a shcherbinaite from Izalco volcano was undertaken.
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Hughes and Finger (1983) reported in 1983 that "bannermanite, NaxV6O15, is a natural vanadium oxide bronze compound, occurs as black subhedral to euhedral crystals in the oxide zone of a fumarole at Izalco volcano, El Salvador, Central America.
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Hughes, J.M. and L.W. Finger, 1983, Bannermanite, a new sodum-potassium vanadate isostructural with - NaxV6O15. American Mineralogist, 68, 634-641. ... Hughes, J.M., L.W. Finger, and R.M. Hazen, 1981, The crystal structure of bannermanite. Carnegie Institution of Washington Year Book 80, 379-380.
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Bannermanite - Wikipedia
La bannermanite è un minerale. Webmin Ossidi e idrossidi
it.wikipedia.org/wiki/Bannermanite |
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Atomic fractional coordinates of a natural bannermanite [20] were used as .... This compound crystallizes with the bannermanite-type structure in which all ...
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These are bannermanite Cu3V2OaofBrisiandMolinari (1958 ) , but were [ (Na,K) ..... Bannermanite, a new sodium-potassium vanadate isostructural with fl- JMH ...
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