PhotosChrysocolla - Monte Avanza Mine, Forni Avoltri, Udine Province, Friuli-Venezia Giulia, Italy
Here is a published yellow Chrysocolla that has been identified by IR , Raman and EMPA. However in the article (in Italian) says this about the chrysocolla (Google translation);
15th May 2015 17:26 BSTRob Woodside Manager
"Chrysocolla ( chrysocolla )
Contrary to expectations , the silicate
already reported ( Cecchi , 1986) , but not confirmed
by analytical investigations , it is enough
rare in Monte Avanza . Accompanies species
secondary present and it is in the masses
criptocrystalline and scabs opaline color from
green to blue or unusually pale ,"
It is very surprising that no mention of the analysed yellow Chrysocolla occurs in the chrysocolla description that gives the expected colours. Since this is an analysed and published specimen, the gold standard for photo approval, I felt I had no choice to approve this photo. Here is the correspondence on this:
> Ref: http://www.mindat.org/picshow.php?id=679597
> Thank you for uploading this photograph to mindat.org - as part of the
> review process for photo submissions our editors have raised the
> following issue(s) with this photograph that prevent us from approving
> * Your photo might not be the minerals you said it is
> Hi Giorgio,
> How was this analysed??
> Rob woodside
EPMA + IR + RAMAN at Torino University (Bittarello E:).
You can see the photo in my recent article in Micro, that I enclose for you.
That looks like a very interesting paper. Where was it published? I hope you
added it to the references for that locality.
When posting material that's been analysed please give the methods and
analyst as you did in the reply. (EPMA + IR + RAMAN at Torino University
However yellow chrysocolla??? There is some problem here. If you are sure
there is no mix up here, I'll approve it and start a talk page about it.
the article was recently publied in Micro I/2015 (look the enclosed), that I mentioned in Mindat.
Erica Bittarello is one of analysts and co-authors.
I tried to attach a copy of the publication (5 MB) but have been defeated by the size limitation (1 MB).
What to do? Has anyone ever seen a yellow Chrysocolla?