 | Cooper, M. A., Abdu, Y. A., Ball, N. A., Cerny, P., Hawthorne, F. C., Kristiansen, R. (2012) Aspedamite, ideally ◻12(Fe3+,Fe2+)3Nb4[Th(Nb,Fe3+)12O42]{(H2O),(OH)}12, a new heteropolyniobate mineral species from the Herrebøkasa Quarry, Aspedammen, Østfold, southern Norway: description and crystal structure. The Canadian Mineralogist, 50 (4) 793-894 doi:10.3749/canmin.50.4.793 | Journal (article/letter/editorial) | | MINERAL SPECIES FROM THE HERREBØKASA QUARRY, ASPEDAMMEN, ØSTFOLD, SOUTHERN NORWAY: DESCRIPTION AND CRYSTAL...Roy KRISTIANSEN P.O. Box 32, N–1650 Sellebakk, Norway Abstract Aspedamite, ideally 12(Fe3+,Fe2+)3Nb4[Th(Nb...mineral species from the Herrebøkasa quarry, Aspedammen, Østfold, southern Norway. It occurs as small euhedral...powder-diffraction pattern, Herrebøkasa quarry, Aspedammen, Østfold, Norway. Introduction The granite...quarry at Herrebøkasa is close to the small village of Aspedammen, south of the town of Halden on the southeastern |  | | Journal (article/letter/editorial) | | Norge: LIANORATITT, U 6+ {Nb,Ta)2 08 fra Herrebøkasa, Østfold Roy Kristiansen Liandratitt er et metamikt...liandratitt er unntaket. På en kvarts- stuff fra Herrebøkasa ved Halden, samlet 1971, befinner det seg velutviklede...første funn i Norge og det fjerde i verden. Fra Herrebøkasa kjenner vi allerede kasolitt og uranofan som...Mticke, A. 6 Strunz, H.1978. Petscheckite and liandratite, two new pegmatite minerals from Madagascar.Amer...REEbearing petscheckite from Tiltvika, Nordland, Norway, and its heating products. N.Jb.Miner., Mh.April(4): |  | | Journal (article/letter/editorial) | | DOI 10.1007/s00710-017-0537-8 ORIGINAL PAPER Liandratite from Karkonosze pegmatites, Sudetes, Southwestern...publication Abstract The chemical composition of liandratite, U6+(Nb,Ta)2O8, was determined from material...the Karkonosze intrusion (Sudetes, SW Poland). Liandratite occurs mainly as rims, up to 40 µm thick, and...primary mineral by liandratite; (ii) breakdown of the primary mineral to liandratite and a product with...and their replacement by liandratite. The chemical compositions of liandratite formed by the breakdown |
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