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IMA 2010-**** = Windhoekite

Posted by Uwe Kolitsch  
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Uwe Kolitsch May 12, 2011 07:57AM
Advertised on the web (http://systematic-mineralogy.com/minerals.aspx?mineral=Windhoekite):

Ca2Fe+++2,67(OH)4*10H2O
Namibia
Aris Quarries
Windhoek, Khomas Region
(TL)
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Debbie Woolf May 12, 2011 10:03AM
I like that name !

:)
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Branko Rieck May 12, 2011 07:56PM
Debbie, so do I, but I would have rather liked to learn about the name from a scientific paper (type description, IMA summary) than from a dealer's homepage.

Branko
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Stephan Wolfsried July 11, 2011 05:15AM
Its the Ca-analogue of Tuperssuatsiaite and visually not discriminable from T. So don't trust any specimen which isn't analysed.

Stephan
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Guenter Blass July 11, 2011 11:52AM
Hi all,

Winhoekit IMA No. 2010-083 is a member of the Palygorskite-Group.
Windhoekit differs from other palygorskit-group not only by the presenceof Ca as a species-defining component, but also by some features of the crystal structure, as well as physikal properties.

Günter
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Uwe Kolitsch July 12, 2011 06:09PM
Added.
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