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Nimis, P., Molin, G., Visonà, D. (1996) Crystal chemistry of danalite from Daba Shabeli Complex (N Somalia) Mineralogical Magazine, 60 (399) 375-379 doi:10.1180/minmag.1996.060.399.12

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Reference TypeJournal (article/letter/editorial)
TitleCrystal chemistry of danalite from Daba Shabeli Complex (N Somalia)
JournalMineralogical MagazineISSN0026-461X
AuthorsNimis, P.Author
Molin, G.Author
Visonà, D.Author
Year1996 (April)Volume60
Issue399
PublisherMineralogical Society
Download URLhttps://rruff.info/doclib/MinMag/Volume_60/60-399-375.pdf+
DOIdoi:10.1180/minmag.1996.060.399.12Search in ResearchGate
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Mindat Ref. ID36Long-form Identifiermindat:1:5:36:3
GUID0
Full ReferenceNimis, P., Molin, G., Visonà, D. (1996) Crystal chemistry of danalite from Daba Shabeli Complex (N Somalia) Mineralogical Magazine, 60 (399) 375-379 doi:10.1180/minmag.1996.060.399.12
Plain TextNimis, P., Molin, G., Visonà, D. (1996) Crystal chemistry of danalite from Daba Shabeli Complex (N Somalia) Mineralogical Magazine, 60 (399) 375-379 doi:10.1180/minmag.1996.060.399.12
In(1996, April) Mineralogical Magazine Vol. 60 (399) Mineralogical Society
Abstract/NotesDanalite is the Fe2+ end-member of the minerals of the helvite group, which have the general formula M8(BeSiO4)6S2, with M = (Mn,Fe2+,Zn). These minerals are relatively uncommon, although limited amounts are known at many localities round the world (e.g. Ragu, 1994; Larsen, 1988; Kwak and Jackson, 1986, and references therein). Their typical host rocks are skams, but occurrences in mineralized veins pegmatites, and altered alkali granites have also been reported. Danalite is rarer than helvite (Mn endmember) and genthelvite (Zn end-member) and, unlike the other two end-members, has never been found nor synthesized as a pure mineral (Mel'nikov et al., 1968).


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