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  Orschallite, Ca3(SO3)2SO4 · 12H2O, a new calcium-sulfite-sulfate-hydrate mineral

Weidenthaler, C., Tillmanns, E., & Hentschel, G. (1993). Orschallite, Ca3(SO3)2SO4 · 12H2O, a new calcium-sulfite-sulfate-hydrate mineral. Mineralogy and Petrology, 48(2-4), 167-177. doi:10.1007/BF01163095.

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 Creators:
Weidenthaler, C.1, Author           
Tillmanns, E.2, Author
Hentschel, G.3, Author
Affiliations:
1Institut für Geowissenschaften, Johannes Gutenberg Universität, Saarstrasse 21, D-55122, Mainz, Germany, ou_persistent22              
2Institut für Mineralogie und Kristallographie der Universität, Dr. Karl, Lueger-Ring 1, A-1010, Wien, Austria, ou_persistent22              
3Schillerstrasse 1, D-53489, Sinzig, Germany, ou_persistent22              

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 Abstract: The new mineral orschallite, Ca3(SO3)2SO4 · 12H2O, was found at the Hannebacher Ley near Hannebach, Eifel, Germany. Crystal structure analysis of the mineral, chemical analysis and water determination on synthetic material gave the composition Ca3(SO3)2SO4 · 12H2O. The mineral crystallizes in space group R3̅c with a = 11.350(1), c = 28.321(2) Å, V = 3159.7 Å3, Z = 6, Dc = 1.87 Mg/m3, Dm = 1.90(3) Mg/m3. It is uniaxial positive with the optical constants ω = 1.4941, ɛ = 1.4960(4). The strongest lines in the powder pattern are (d-value (Å), I, hkl) 5.73, 100, 1 0 4/8.11, 80, 0 1 2/2.69, 80, 3 0 6/3.63, 60, 1 1 6/3.28, 40, 3 0 0. Refinement of the crystal structure led to a weighted residual of Rw = 0.043 for 600 observed reflections with I > 2σ(I) and 52 variable parameters.

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Language(s): eng - English
 Dates: 1992-07-101992-11-071993-06-01
 Publication Status: Issued
 Pages: 11
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1007/BF01163095
 Degree: -

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Title: Mineralogy and Petrology
  Abbreviation : Mineral. Petrol.
Source Genre: Journal
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Publ. Info: Wien : Springer-Verlag
Pages: - Volume / Issue: 48 (2-4) Sequence Number: - Start / End Page: 167 - 177 Identifier: ISSN: 0930-0708
CoNE: https://pure.mpg.de/cone/journals/resource/954925568794