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Piz del Gavinèl, Torreggio Valley, Torre di Santa Maria, Malenco Valley, Valtellina, Sondrio Province, Lombardy, Italy

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Name(s) in local language(s): Piz del Gavinèl, Valle Torreggio, Torre di Santa Maria, Valmalenco (Val Malenco), Valtellina, Sondrio, Lombardia, Italia
Talus of Piz del Gavinèl, to the north of Alpe Son: calcite veins and fissures in serpentinite blocks, fissures in ophicarbonate blocks.

Note on “Ti-bearing clinohumite, titanclinohumite”:
according to the analyses performed, this mineral in the Malenco valley serpentinite is practically fluorine-free (Trommsdorff and Evans, 1980). Therefore, after institution of the new species hydroxylclinohumite in 1999, all records of “titanclinohumite” in the antecedent literature and specimens preserved in public and private collections consequently labelled are now Ti-bearing hydroxylclinohumite (Bedognè et al., 2006).

Mineral List

8 entries listed. 7 valid minerals.

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Sigismund, P. (1949) Titanclinohumite, olivine e ripidolite di Valmalenco. Atti Soc. Ital. Sci. Nat., 88, 145-171.

Trommsdorff, V., and Evans, B.W. (1980) Titanian hydroxyl-clinohumite formation and breakdown in antigorite rocks (Malenco - Italy). Contrib. Mineral. Petrol., 72, 229-242.

Bedognè, F., Montrasio, A., Sciesa, E. (1993) I minerali della provincia di Sondrio: Valmalenco. Bettini, Sondrio, 275 pp.

Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.

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