New data on the relation between caryinite and arseniopleite

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Authors:Dunn, P. J.; Peacor, Donald R.
Author Affiliations:Primary:
Smithson. Inst., Dep. Miner. Sci., Washington, D.C., United States
Other:
Univ. Mich., United States
Volume Title:Mineralogical Magazine
Source:Mineralogical Magazine, 51(360), p.281-284. Publisher: Mineralogical Society, London, United Kingdom. ISSN: 0026-461X
Publication Date:1987
Note:In English. 9 refs.; 1 table
Summary:Caryinite from Låmgban, Sweden, and arseniopleite from both the Långban and Sjö Mines in Sweden, are re-examined chemically and crystallographically. Both species are monoclinic, with space group C2/c, and similar lattice parameters. The general formula for caryinite is Na4Ca4Ca4(Mn,Mg)8(AsO4)12, and that for arseniopleite is Na4Ca4Mn4(Mn,Mg)8(AsO4)12. The species status of arseniopleite remains uncertain; it may have Mn dominant in the M(1) site. [R.A.H.]
Subjects:Arsenates; Crystal structure; Mineralogy; Minerals; Europe; Scandinavia; Sweden; Western Europe; Arseniopleite; Caryinite; Langban; Sjo Mines
Abstract Numbers:87M/4782
Record ID:1987079500
Copyright Information:GeoRef, Copyright 2019 American Geosciences Institute. Abstract, Copyright, Mineralogical Society of Great Britain and Ireland
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