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Bohuslavite, Fe43 (PO4)3(SO4)(OH)(H2O)10.nH2O, a new hydrated iron phosphate-sulfate

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00023272%3A_____%2F19%3A10134735" target="_blank" >RIV/00023272:_____/19:10134735 - isvavai.cz</a>

  • Alternative codes found

    RIV/68378271:_____/19:00519729

  • Result on the web

    <a href="https://pubs.geoscienceworld.org/eurjmin/article-abstract/31/5-6/1033/573675" target="_blank" >https://pubs.geoscienceworld.org/eurjmin/article-abstract/31/5-6/1033/573675</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1127/ejm/2019/0031-2892" target="_blank" >10.1127/ejm/2019/0031-2892</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Bohuslavite, Fe43 (PO4)3(SO4)(OH)(H2O)10.nH2O, a new hydrated iron phosphate-sulfate

  • Original language description

    The new mineral species bohuslavite, Fe43+(PO4)3(SO4)(OH)(H2O)10.nH2O (5 &lt;= n &lt;= 14), has been discovered in the Buca della Vena baryte +/- iron oxides +/- pyrite ore deposit, Apuan Alps, Tuscany (Italy), and in the Horní Město deposit, northern Moravia (Czech Republic). It occurs as pinkish to lilac tabular crystals, with a pseudohexagonal outline, up to 0.25 mm in size, forming globular aggregates up to 1 mm across. At both localities, it is associated with gypsum. Electron microprobe analyses gave (in wt%): SO3 10.92, P2O5 25.34, Al2O3 0.26, Fe2O3 40.70, H2O 35.96, total 113.18 (BdV), and SO3 9.32, P2O5 24.84, Al2O3 0.30, Fe2O3 36.63, H2O 32.49, total 103.58 (HIM). The H2O contents were determined through thermo-gravimetric analyses. Mossbauer spectroscopy indicated that all iron occurs as Fe3+. Thus, the empirical formulae of bohuslavite, based on (Fe+Al) = 4 atoms per formula unit (apfu), are (Fe3.96Al0.04)(PO4)2.77(SO4)1.06(OH)1.56(H2O)10.7.90H2O (BdV) and (Fe3.96Al0.05)(PO4)3.02(SO4)1.00(OH)0.94(H2O)10.5.08H2O (HM), ideally Fe43+(PO4)3(SO4)(OH)(H2O)10.nH2O. Bohuslavite is triclinic, space group P-1, with a = 13.376(3), b = 13.338(3), c = 10.863(4) angstrom, alpha = 92.80(2), beta = 91.03(2), gamma = 119.92(2)degrees, V = 1675.7(9) angstrom3 , Z = 2 (sample BdV). The crystal structure was solved and refined to R-1 = 0.232 on the basis of 2177 unique reflections with F-o &gt; 4 sigma (F-o) and 208 refined parameters. Its crystal structure is based on {001} heteropolyhedral layers with composition [Fe-4(PO4)3O(OH)(H2O)10]. These layers are decorated, on both sides, by SO4 groups. Additional H2O groups are hosted in the interlayers and in the [001] channels. The name bohuslavite honours the Czech mineralogist and geologist Bohuslav Fojt for his contributions to mineralogy and economic geology. A third occurrence of bohuslavite from the Jeremias Gluck mine, Garnsdorf near Saalfeld, Thuringia (Germany), is briefly discussed.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database

  • CEP classification

  • OECD FORD branch

    10504 - Mineralogy

Result continuities

  • Project

    <a href="/en/project/GA17-09161S" target="_blank" >GA17-09161S: Crystal structures, chemistry and stability of arsenate and sulfate minerals</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Others

  • Publication year

    2019

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    European Journal of Mineralogy

  • ISSN

    0935-1221

  • e-ISSN

  • Volume of the periodical

    31

  • Issue of the periodical within the volume

    5-6

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    14

  • Pages from-to

    1033-1046

  • UT code for WoS article

    000505169400015

  • EID of the result in the Scopus database