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Improving Mindat.orgMorenosite?
3rd Oct 2012 01:12 UTCReiner Mielke Expert
10th Oct 2012 11:10 UTCUwe Kolitsch Manager
10th Oct 2012 16:45 UTCMark Heintzelman 🌟 Expert
Honessite preudos of Millerite are common at other localities, and Morensonite not so (Reiner's observation is sound), but I would suggest referring to published report of this site for making any additional changes. My gut says Honessite too, the coloration of Morenosite is usually edging more towards the bluish, but it's hardly a definitive observation. This may be a situation that Honessite is indeed present only on the dumps, and not reported insitu.
MRH
10th Oct 2012 17:06 UTCAlfredo Petrov Manager
10th Oct 2012 17:26 UTCJolyon Ralph Founder
Some from Wales that were analysed proved to be mostly gypsum.
Jolyon
10th Oct 2012 17:45 UTCSteve Stuart Expert
10th Oct 2012 18:50 UTCUwe Kolitsch Manager
10th Oct 2012 19:04 UTCSteve Stuart Expert
11th Oct 2012 00:22 UTCReiner Mielke Expert
11th Oct 2012 02:41 UTCSteve Stuart Expert
11th Oct 2012 03:07 UTCSteve Stuart Expert
http://www.ebookdb.org/reading/3613623B257F271410171269/Minerals-I-Mines-De-La-Conca-De-Bellmunt-Del-Priorat
Steve
11th Oct 2012 04:08 UTCAlfredo Petrov Manager
Then p 121 just puts morenosite on the list as "rare" at the Eugenia mine.
11th Oct 2012 08:09 UTCChris Mavris Manager
I am not sure whether the author himself describes the phase as jamborite in this work, not whether (and how) it has been determined. What I can tell is that people from the local mineral club had literally tens of these specimens. At the time, I had found quite a few myself, as well...
Also in Bologna there was a similar finding.
Here are a few examples:
http://www.mindat.org/photo-197020.html
http://www.mindat.org/photo-196944.html
http://www.mindat.org/photo-196587.html
http://www.mindat.org/photo-196577.html
11th Oct 2012 16:44 UTCReiner Mielke Expert
11th Oct 2012 16:54 UTCUwe Kolitsch Manager
11th Oct 2012 20:50 UTCSteve Stuart Expert
27th Nov 2012 03:37 UTCSteve Stuart Expert
Regards,
Steve
27th Nov 2012 16:14 UTCJOAN ABELLA CREUS
The first analyses by X-ray diffraction that we realize, indicated Jamborita, with low intensity peaks. In a few days we will realize new analyses, with a new equipment of diffraction of X-rays, for to confirm the nature of the Jamborita of Eugenia Mine Bellmunt del Priorat, Tarragona, Spain.
The Morenosita qualified erroneously many years ago for chemical methods, in samples of possible Jamborite covered with gypsum!.
Best regards.
Joan Abella i Creus
28th Nov 2012 16:10 UTCUwe Kolitsch Manager
Mills, S.J., Christy, A.G., Genin, J.-M.R., Kameda, T., Colombo, F. (2012): Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides. Mineralogical Magazine, 76, 1289-1336.
(...)
(4) Jamborite, carrboydite, zincaluminite, motukoreaite, natroglaucocerinite, brugnatellite and muskoxite are identified as questionable species which need further investigation in order to verify their structure and composition.
(...)
28th Nov 2012 22:21 UTCIan Jones Expert
-------------------------------------------------------
> Green coatings on millerite should not be assigned
> to a particular mineral unless analytical work is
> done.
>
> Some from Wales that were analysed proved to be
> mostly gypsum.
>
> Jolyon
The green alteration from Wales is usually called morenosite in the literature, but I have always doubted this due to its solubility - south Wales and it's coaltips are not generally noted for their dryness.
I had a number of them analysed at the National Museum of Wales, but they were all inconclusive. As far as I know, the only definitive analysis of the green alteration from Wales proved to be nickelhexahydrite. This was on a specimen from Llanbradach Colliery that Pete Williams at the University of Western Sydney carried out for me.
generally very suspicious of references of morenosite on millerite from damp locations.
29th Nov 2012 00:12 UTCReiner Mielke Expert
Interesting that you found nickelhexahydrite since it is just as soluble in water as morenosite.
29th Nov 2012 22:20 UTCIan Jones Expert
-------------------------------------------------------
> Hello Ian,
>
> Interesting that you found nickelhexahydrite
> since it is just as soluble in water as
> morenosite.
hi reiner
didn't realise that it was as soluble as morenosite, which is interesting, but don't doubt pete william's analysis.
it is still the only definitive millerite secondary identified from the south wales coalfield out of quite a number that proved inconclusive
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Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2024, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: April 26, 2024 08:23:08