 | | Journal (article/letter/editorial) | | Stetindite was found in the Stetind pegmatite, Tysfjord, 135 km NE of Bodø, northern Norway. It occurs as pale...with hematite, hundholmenite-(Y), quartz, törnebohmite-(Ce), vyuntspakhkite-(Y), calcioancylite-(Nd), Kozoite-(Nd)...Kozoite-(Nd), Nd-rich bastnäsite and a new Ca-Y-Al-F-silicate. Chemical analyses gave (wt.%): CeO2 65.17...cerium silicate, zircon, hafnon, granite, pegmatite, Norway, Tysfjord. Introduction Masses of yttrian...Keivy massif, Kola peninsula, Russia, from where six Y- and Yb-silicates have been described (Pekov 1998) |  | | Report (issue) | | X-ray Powder Pattern: Stetind pegmatite, Tysfjord, 135 km northeast of Bodø, Norway. 3.478 (100), 1.789...18 (2) 74.13 25.87 . 100.00 (1) Stetind pegmatite, Tysfjord, Norway; average electron microprobe analysis...during the cooling of the pegmatite magma. Association: Hematite, hundholmenite-(Y), quartz, törnebohmite-(Ce)...törnebohmite-(Ce), vyuntspakhkite-(Y), calcioancylite-(Nd), kozoite-(Nd), Nd-rich bastnåsite, allanite-(Ce), bastnåsite-(Ce)...britholite-(Y), calcioancylite-(Ce), keiviite-(Y), keiviite-(Yb), kuliokite-(Y), rowlandite-(Y), fluorthalénite-(Y) |  | | Journal (article/letter/editorial) | | pegmatites within the Tysfjord granite, northern Norway Tomas Husdal Introduction The Tysfjord granite...also "yttrofluorite" and non-metamict gadolinite-(Y) are examples of minerals probably present in many...material, including the new mineral hundholmenite-(Y). The total number of 144 minerals (table 2) from...from the pegmatites makes this one of the areas in Norway richest in different species. This work is presenting...from Fauske to Efjorden in the northern part of Nordland county. It is a foliated pale grey to pale red |  | | Journal (article/letter/editorial) | | 1053–1060 Published online June 2012 Atelisite-(Y), a new rare earth defect silicate of the KDP structure...Bodø, Norway Abstract: The title mineral has been discovered in a granitic pegmatite at the Stetind quarry...quarry, Tysfjord, Norway. Atelisite-(Y) forms pale brown to colourless, transparent crystals of dipyramidally... if the 4b-site is fully occupied by Y and Yb, with a refined Y/Yb ratio of 4. This suggests an idealized...idealized formula of Y4 Si3 O8 ðOHÞ8 for atelisite-(Y). The crystal structure of the new mineral is of particular |  | | Journal (article/letter/editorial) | | weakly pleochroic with X and Y pale blue, Z greenish blue, and absorption is X = Y < Z. Using the calculated...(2Vcalc = 70°). It is pleochroic with X = bluish green, Y = greenish to brownish green, and Z = blue to light...Dispersion is weak, r < v, and the optical orientation is Y = b with Z ^ c ≈ 23°. There is no fluorescence in...pale bluish-green, Y = pale brown, Z = pale bluish-green, and absorption Z > X > Y. Both Raman and FTIR...yttrian fluorite in the Stetind pegmatite, Tysfjord, 135 km NE of Bodø, Norway. The mineral occurs in |  | | Book (volume) | | (4)Z3[Si24O72]O0 4–6X2 where N(1–5) ¼ Na, Н3О+, K, Sr, REE, Y, Ba, Mn, Ca; M(1) ¼ Ca, Mn, REE, Na, Sr, Fe; M(2)...generalized for the case D ¼ (Fe,Mg,Mn, Zn)xCayNaz□1-x-y-z as follows: ν[(Ti,Nb)–O] (cm1) ¼ 667 + 27.02x +...yegorovite Na4[Si2O4(OH)2]2·7H2O from the Palitra pegmatite, Lovozero massif, Kola peninsula hydrated proton)...following equations: y ¼ 0:0667Δν1 0:0138Δν2 þ 0:914: t ¼ 1:97 þ 1:16y 0:080Δν1 : z ¼ 1 y t: Violations...Locality: Ampanodiana North pegmatite, Tetezantsio-Andoabatokely Pegmatite Field, Andrembesoa Commune |
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Stetind pegmatite, Narvik, Nordland, Norway