 | | Journal (article/letter/editorial) | | (2003) FERROKENTBROOKSITE, A NEW MEMBER OF THE EUDIALYTE GROUP FROM MONT SAINT-HILAIRE, QUEBEC, CANADA OLE...OH,H2O)3(Cl,F,OH)2, is a new member of the eudialyte group from Mont Saint-Hilaire, Quebec; it is the...6221(3) and 1.6186(3). It is trigonal, space group R3m, a 14.2099(7) and c 30.067(2) Å, V 5257.7(3)...3.06 g/cm3. Ferrokentbrooksite possesses the eudialyte structure, and has Fe as the predominant element...to be divalent. Keywords: ferrokentbrooksite, eudialyte, new mineral species, crystal structure, Mont |  | | Journal (article/letter/editorial) | | hydrothermal mineral in cavities of a eudialyte – aegirine – feldspar pegmatite. Associated minerals are: lamprophyllite...of the gutkovaite subgroup of the labuntsovite group. Name: After Aleksey S. Sakharov (1910–1996), Russian...Nb)4[Si4O12]2(O,OH)4•7H2O, a new mineral of the labuntsovite group from Lovozero massif, Kola Peninsula. Zapiski Vserossiyskogo...following localities: Narssârssuk pegmatite, Igaliko alkaline complex, southwestern Greenland; Langesundfjord...primary but late-stage phase found in a small pegmatite dike in nepheline syenite. Associated minerals |  | | Book | | Reflection spectra of PbCl2 single crystal (space group Pnma) obtained by light polarized parallel to a...may be observed in this interval too. The factor group method is regularly used for calculation of the...Ti–O 549–627 Tetragonal pyramid (lamprophyllite-group minerals, fresnoite, natisite, paranatisite) V...Al–O 550–630 Octahedron Al(OH)6 in ettringite-group minerals. Additionally, the band of O–Al–O bending...Si–O 720–760 Octahedron Si(OH)6 in ettringite-group minerals. Additionally, the band of O–Si–O bending |
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