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Princivalleite
About
Named in honour of the mineralogist Francesco Princivalle (b. 1956)
Type Locality
Curiglia, Curiglia con Monteviasco, Varese Province, Lombardy, Italy
Mineral Data
Na(Mn
2
Al)Al
6
(Si
6
O
18
)(BO
3
)
3
(OH)
3
O
Physical Properties
Colour:
Light Blue
Crystal System:
Trigonal
