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Messaggeria in lingua italianaGianfranco Marchetti

2nd Apr 2018 03:03 UTCWolfgang John

Hi guys,


I was wondering if anyone had any information (links to a bio, obituary, etc) about Gianfranco Marchetti, an amateur mineral collector from Italy who passed away in 2013. I've only run into dead ends online.


Thanks in advance,


Wolfgang

2nd Apr 2018 04:08 UTCKeith Compton 🌟 Manager

A "Josh Wood" asked exactly the same question .. and used the exact same wording for the whole of his query ...... 5 weeks ago.... hmmmm


There was no response to that question

2nd Apr 2018 18:51 UTCWolfgang John

-- moved topic --

1st Jun 2018 13:40 UTCMarco E. Ciriotti Manager

Here is possible to find some information about the mineral discover of marchettiite: https://deepcarbon.net/feature/marchettiite-joins-new-carbon-mineral-roster-13

20th Jun 2018 07:34 UTCPaolo Bosio

Gianfranco Marchetti (1943-2013), a keen amateur mineralogist since the beginning of 1970s, was particularly interested in the regional mineralogy of Verbano-Cusio-Ossola, his native region. His favourite collecting area included the lower Ossola Valley (particularly the territories of Mergozzo, Ornavasso, and Premosello Chiovenda), Cannobina Valley, and Vigezzo Valley, but he often made collecting trips to other Ossola areas (Monte Cervandone, Forno pass and glacier, Antrona Valley, etc.) and elsewhere such as Elba Island and Sardinia (where his son tragically died in the sea near Nebida). Gianfranco and his collection of Ossola minerals became known in Italy thanks to his friend Vittorio Mattioli (who now owns a significant part of his collection), author in 1979 of the book "Minerali Ossolani", in which numerous data on minerals and new localities discovered by Gianfranco, as well as various photographs of specimens from Gianfranco's collection, are published. After Marchetti's death some specimens of unknown or poorly identified minerals of his collection became available for analyses. In particular, an orange mineral (an anhydrous ammonium hydrogen urate) he found in 1985 in the Monte Cervandone area, as crystalline incrustation on the two-mica leucocratic gneiss of the Monte Leone nappe, has been named marchettiite in his honour.
 
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