 | | Report (issue) | | Mn2+NdAl2Fe3+(Si2O7)(SiO4)O2 Åskagenite-(Nd) Crystal Data: Monoclinic. Point Group: 2/m. rectangular...6(2)° Z = 2 X-ray Powder Pattern: Near Åskagen quarry, Sweden. (amorphous until heated to 600o C) 2.897...16] 15.85 29.51 0.55 98.75 (1) Near Åskagen quarry, Värmland, Sweden; average of 4 electron microprobe...Association: Potassic feldspar, quartz, bastnäsite, thorite, Nd-dominant analogue of allanite-(Ce), brookite, gadolinite-(Y)...Near Åskagen quarry, mining village Torskebäcken, about 12 km east of Filipstad, Värmland, Sweden. Name: |  | Skoda, R., Cempirek, J., Filip, J., Novak, M., Veselovsky, F., Ctvrtlik, R. (2012) Allanite-(Nd), CaNdAl2Fe2+(SiO4)(Si2O7)O(OH), a new mineral from Askagen, Sweden. American Mineralogist, 97 (5) 983-988 doi:10.2138/am.2012.3936 | Journal (article/letter/editorial) | | 2012 Allanite-(Nd), CaNdAl2Fe2+(SiO4)(Si2O7)O(OH), a new mineral from Åskagen, Sweden Radek Škoda,1,*...Republic Abstract Allanite-(Nd), ideally CaNdAl2Fe (SiO4)(Si2O7)O(OH), the Nd-analog of allanite-(Ce), occurs...occurs in the Åskagen pegmatite, central Sweden. It forms fine-grained aggregates within altered thalénite-(Y)...keiviite-(Y), allanite-(Y), and tengerite-(Y). Allanite-(Nd) is biaxial (–); with refractive indices α = 1.723(5)...measured 2V = 82°(±3°). Larger fragments of allanite-(Nd) are moderately pleochroic (α = pale grayishbrown |  | Belakovskiy, D., Welch, M. D., Camara, F., Gatta, G. D., Tait, K. T. (2012) New Mineral Names. American Mineralogist, 97 (8) 1523-1530 doi:10.2138/am.2012.596 | Journal (article/letter/editorial) | | Names, we present alexandrovite, arsenohopeite, åskagenite-(Nd), bassoite, beaverite-Zn, carlosbarbosaite...mineral formed by alteration of tennantite-rich ore in the oxidized zone of the famous Tsumeb mine, a...a dolostone hosted polymetallic hydrothermal ore deposit at Tsumeb, Namibia. It is associated to other...Vienna, Austria (N 8167). F.C. and G.D.G. Åskagenite-(Nd)* N.V. Chukanov, J. Göttlicher, S. Möckel,...Sofer, K.V. Van, and D.I. Belakovskiy (2010) Åskagenite-(Nd) Mn2+NdAl2Fe3+(Si2O7)(SiO4)O2, a new mineral |  | | Journal (article/letter/editorial) | | 陽イオンの総計を 5 に規格化し，電気的中性に基づい て Fe2＋, Fe3＋ 量を算出する。 La, Ce, Nd, Y などの希土類元素は最も大きい配位多 面体である A2 席に配分し，不足分を Ca で補う。...物 は ， Mn2＋, Fe2＋, Fe3＋, V3＋ などの遷移元素を含み，かつ La, Ce, Nd などの希土 以下のとおりである 類元素に富むため，5 種類の陽イオン席における席占有率 ランタンフェリ赤坂石...Z., Van, K.V. and Belakovskiy, D.I. (2010): Åskagenite(Nd), Mn2＋NdAl2 Fe3＋(Si2O7)(SiO4)O2, a new mineral...(2012): Allanite(Nd), CaNdAl2Fe2＋(SiO4) (Si2O7)O(OH), a new mineral from Åskagen, Sweden. Amer. Mineral |  | Biagioni, Cristian, Bonazzi, Paola, Pasero, Marco, Zaccarini, Federica, Balestra, Corrado, Bracco, Roberto, Ciriotti, Marco E. (2019) Manganiakasakaite-(La) and Ferriakasakaite-(Ce), Two New Epidote Supergroup Minerals from Piedmont, Italy. Minerals, 9 (6) 353 doi:10.3390/min9060353 | Journal (article/letter/editorial) | | ferriakasakaite-(Ce) were found in the small Mn ore deposit of Monte Maniglia, Bellino, Varaita Valley...of epidote with orthorhombic symmetry, and åskagenite-(Nd), the unique example of epidote having a divalent...) and ferriakasakaite-(Ce) were found in the Mn ore deposit of Monte Maniglia, Bellino, Varaita Valley...Occurrence and Physical Properties The small Mn ore deposit of the Monte Maniglia is located along a...the top of the Monte Maniglia (3177 m a.s.l.). The ore deposit is hosted in a Mesozoic metasedimentary sequence |  | | Book | | Mg Mg Fe NC Mg2+Fe2+Fe2+ 2+ 2+ 3696 3680 2+ ND Fe Fe Fe IA Mg2+Mg2+R3+ 2+ 3712 2+ NB Wavenumber...Fe2+Fe2+Fe2+ and Fe2+Fe2+ Al3+ and are therefore an ND-type band and an IB-type band, respectively. These...and anapaite Ca2Fe2+ (PO4)2·from the Kerch iron-ore basin (c). The spectra were obtained by N.V. Chukanov...brandtite Ca2Mn(AsO4)2·2H2O from skarn (Harstigen mine, Sweden) (b), and roselite Ca2Co(AsO4)2·2H2O from the oxidation...of sturmanite from the Black Rock mine, Kuruman District, South Africa, determined from its crystal structure |
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Åskagen Quarry, Persberg ore district, Filipstad, Värmland County, Sweden