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Messaggeria in lingua italianaAurichalcite o Crisocolla?
12th Sep 2011 17:37 UTCAlberto Vaghi Expert
nella mia collezione è recentemente "piovuto" un campione di provenienza Elbana ( probabilmente un po' datato ) con la scritta "aurichalcite", non è specificata la località di ritrovamento ma solo genericamente Isola d'Elba.
Nella pagina Elbana sono presenti però diversi campioni pressochè identici con la dicitura "chrysocolla", una tra queste per fare un esempio è una delle POTD di Fabio Brignoli,
Altre foto da confrontare sono sotto la località
Vallone stope, Cape Calamita Mine (Calamita Mine), Capoliveri, Elba Island, Livorno Province, Tuscany, Italy
La direzione di Mindat mi ha inserito la foto senza obiettare, ma a questo punto mi rimane il dubbio.
Allora di seguito la mia foto e quella di Fabio scattata da Bonacina.
Non sono lo stesso minerale?
Ciao
12th Sep 2011 19:04 UTCUwe Kolitsch Manager
It may be a (partial?) pseudomorph of chrysocolla after malachite?
12th Sep 2011 19:53 UTCAlberto Vaghi Expert
I will try to test the specimen with acid but
both malachite and aurichalcite are carbonates, how can i test?
Ciao
12th Sep 2011 20:14 UTCAlberto Vaghi Expert
Alberto
13th Sep 2011 03:06 UTCDarren Court
Darren
13th Sep 2011 06:54 UTCAlberto Vaghi Expert
Now I think I can edit the comments of my photo
thanks
Alberto
13th Sep 2011 09:55 UTCGiorgio Bortolozzi
13th Sep 2011 12:48 UTCAlberto Vaghi Expert
Azzarderei quindi anche a dare come località " Cantiere Vallone di Capo Calamita"
Alberto
22nd Jan 2012 13:58 UTCFabio Brignoli Expert
22nd Jan 2012 14:27 UTCGiovanni Fraccaro Expert
In genere è una pseudomorfosi su malachite.
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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 15:22:42