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Potassian hastingsite and potassichastingsite from garnet - hedenbergite skarn at Vlastějovice, Czech Republic

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00025798%3A_____%2F07%3A00000335" target="_blank" >RIV/00025798:_____/07:00000335 - isvavai.cz</a>

  • Result on the web

  • DOI - Digital Object Identifier

Alternative languages

  • Result language

    angličtina

  • Original language name

    Potassian hastingsite and potassichastingsite from garnet - hedenbergite skarn at Vlastějovice, Czech Republic

  • Original language description

    Potassichastingsite (3.05 wt. % K2O) occurs along as large phenocrysts in metasomatic rims of pegmatite dykes penetrating Ca-Fe skarn at Vlastějovice, in the Moldanubian Zone, Bohemian Massif, Czech Republic. The skarn is characterized by the high f (O2)assemblage of grossularite ? andradite garnets, Fe3+- enriched hedenbergite, magnetite, and epidote. Amphibole is characterized by Fe3+ > VIAl (Fe3+ 0.80 to 1.07 apfu, VIAl 0.30 to 0.38 apfu), high XFe (0.83 to 0.72) and low X-site vacancies (0.09 to 0.22). Due to high K content (up to 0.62 apfu) it corresponds to potassichastingsite or potassian hastingsite. The OH content ranges from 1.60 to 1.82 apfu, fluorine from 0.17 to 0.33 apfu, but chlorine only from 0.03 to 0.06 apfu. Thus this amphibole belongs to most K-rich chlorine-poor hastingsites reported: (K0.62Na0.28)0.87 (Ca1.95 Na0.05)2.00 (Fe2+2.79Mg0.92Mn0.03 Fe3+0.80Ti0.05 Al0.38)4.96 (Si5.98Al2.02)8.00 O22.05 (OH1.71F0.18Cl0.06)1.95.

  • Czech name

    Draslíkem bohatý a draselný hastingsit z granát - hedenbergitového skarnu ve Vladtějovicích, Česká republika

  • Czech description

    Draselný hastingsit s obsahem až 3.05 hm. % K2O se vyskytuje jako velké fenokrystaly v lemech pegmatitových žil, které pronikají Ca-Fe skarn ve Vlastějovicích (Moldanubikum).

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    DB - Geology and mineralogy

  • OECD FORD branch

Result continuities

  • Project

  • Continuities

    Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2007

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Neues Jahrbuch für Mineralogie. Abhandlungen

  • ISSN

    0077-7757

  • e-ISSN

  • Volume of the periodical

    184

  • Issue of the periodical within the volume

    2

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    8

  • Pages from-to

    161-168

  • UT code for WoS article

  • EID of the result in the Scopus database