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Nalbi, Impruneta, Florence Province, Tuscany, Italy

Chalcocite
Nalbi, Impruneta, Florence Province, Tuscany, Italy

Photo: Cristian B.
I Nalbi, Impruneta, Firenze, Toscana, Italia

This area between Nalbi ditch and Grassina torrent, at the east of the built-up area, was exploited around 1910 (Abresch claim) along Nalbi ditch and were found several large copper blocks (over 100 kg alsoo). After the WW I mining works restart around 1932 and in 1937 were found six large copper blocks (the biggest of 1750 kg).
Approximately in the same years sart mining along Grassina torrent; all the works were abandoned during WW II.

Map reference: Regione Toscana, CTR 1 : 10000 Table 275120

References:
-Lotti B., 1931 - Il rame nativo nelle rocce ofiolitiche dell'Impruneta presso Firenze. - La Min. Ital., 15: 1-3.
-Rodolico F., 1933 - Studi sulla datolite della formazione ofiolitica. - Period. Mineral., 4: 1-14.
-Rodolico F., 1935 - Cristalli di cinabro del Monte Amiata e di calcosina dell'Impruneta (Toscana). - Period. Mineral., 6: 25-30.
-Rodolico F., 1936 - Studi sul rame nativo della formazione ofiolitica. - Period. Mineral., 7: 99-107.
-Abbolito E., 1938 - I minerali cupriferi dell'Impruneta (Toscana). - Riv. Sci., 9: 207-212.
-Minguzzi C., 1948 - Ricerche sulla formazione ofiolitica dell'Impruneta. I. Le rocce ed i minerali. - Atti Soc. Tosc. Sc. Nat., Mem., 55: 175-179.
-Carobbi G., Rodolico F., 1976 - I minerali della Toscana. Saggio di mineralogia regionale. - Accad. Tosc. Sc. Lett. «La Colombaria». Ed. Leo G. Olschki, Firenze.
-Batacchi C., 1988 - La galleria di Nalbi: storia e minerali. - Notiz. Gr. Mineral. Fiorent., XV; 1: 15-17.
-Brizzi G., Meli R., 1996 - I minerali della formazione ofiolitica dell'Impruneta (FI). - Riv. Mineral. Ital., 20 1: 81-98.
-Capperi M., Bazzoni C., 1996 - Impruneta (FI). Nuovi ritrovamenti. - Riv. Mineral. Ital., 20 4: 331-333.

Mineral List

Ankerite
Anorthite
var: Labradorite

Aragonite
'Asbestos'
Azurite
Baryte
Bornite
Calcite
Chalcanthite
Chalcocite
Chrysocolla
Copper
Cuprite
var: Chalcotrichite
Datolite
'Diallage'
Digenite
Djurleite
Gypsum
Ilmenite
Magnesite
Malachite
Prehnite
Pyrite
Quartz
var: Smoky Quartz
Talc
Tenorite
Zoisite
var: Thulite



29 entries listed. 23 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 29th Jun 2011 11:54:33
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