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PhotosTsumebite - Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia

3rd Jan 2013 15:23 UTCLefteris Rantos Expert

07319540014964031877092.jpg
Bayldonite
Tsumeb Mine (Ongopolo Mine), Tsumeb, Oshikoto Region, Namibia
Copyright © 2006 Jason B. Smith
This specimen is apparently identical to the one that has been identified by XRD as Bayldonite, by the RRUFF Project: http://rruff.info/bayldonite/display=default/R110033


I think its should be changed to Bayldonite (maybe with a note stating that it was purchased as Tsumebite but not analyzed; ID by analogy to identical specimen that has been X-rayed as Bayldonite).


Lefteris.

3rd Jan 2013 17:16 UTCUwe Kolitsch Manager

Message sent.

This doubtful ID was already pointed out in http://www.mindat.org/mesg-7-89909.html.

3rd Jan 2013 18:21 UTCLefteris Rantos Expert

Yes, indeed. However the X-rayed specimen from the RRUFF website is newer and was not taken into consideration at that time. The two pieces obviously represent the same mineral.


Given that Tsumebite is actually a very rare mineral at Tsumeb (the vast majority of specimens labeled as such are in fact Arsentsumebites - which is not surprising, given the relative scarcity of P versus As at the deposit), it's important to maintain only photos of validated specimens in the gallery. Mindat should not add to the confusion already existing around this rare and desirable mineral species.


Lefteris.
 
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