| Pekov, Igor V., Zubkova, Natalia V., Chukanov, Nikita V., Husdal, Tomas A., Zadov, Aleksandr E., Pushcharovsky, Dmitry Yu. (2011) Fluorbritholite-(Y), (Y,Ca,Ln)5[(Si,P)O4]3 F, a new mineral of the britholite group. Neues Jahrbuch für Mineralogie - Abhandlungen, 188 (2) 191-197 doi:10.1127/0077-7757/2011/0200 | Journal (article/letter/editorial) | pegmatites related to alkaline granites. In Hamarøy, Nordland, Norway, it occurs in Lagmannsvik [the holotype...gadolinite-(Y), hundholmenite-(Y), etc.] and Kråkmo [rims around fluorapatite, with quartz, fluorite, allanite-(Ce)...526.50(2) Å3, Z = 2. It is isostructural with fluorapatite. The strongest lines of the powder X-ray diffraction...supergroup, crystal structure, Lagmannsvik, Kråkmo, Hamarøy, Keivy, Kola Peninsula. Introduction The britholite...described by GRIFFIN et al. (1979) from Reiarsdal, Norway, and “abukumalite” reported by NAGASHIMA et al | | | Report (issue) | to thick-tabular crystals to 4 cm; as rims on fluorapatite; granular. Physical Properties: Cleavage: None...Z=2 X-ray Powder Pattern: Lagmannsvik, Hamarøy, Nordland, Norway. 2.826 (100), 2.775 (58), 2.737 (46),...29 2.01 0.85 99.03 (1) Lagmannsvik, Hamarøy, Nordland, Norway; average of 4 electron microprobe analyses...tengerite-(Y) [Lagmannsvik]; fluorapatite, quartz, fluorite, allanite-(Ce) [Kråkmo]. Distribution: From Lagmannsvik...Lagmannsvik and Kråkmo, Hamarøy, Nordland, Norway, and at Mt. Vyuntspakhk, Western Keivy, Kola Peninsula | | | Journal (article/letter/editorial) | Keywords: Capranicaite (Italy); Fluorbritholite-(Y) (Norway); Fluoroleakeite (Kazakhstan); Heklaite (Iceland);...new mineral from Lagmannsvik and Kråkmo, Hamarøy, Nordland, Norway. Both localities are alkaline granite-related...tengerite-(Y). At Kråkmo, the mineral forms rims up to 0.5 mm thick around fluorapatite crystals that are...GoF = 1.309. The mineral is isostructural with fluorapatite. Both the mineral and named have been approved |
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