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Quadridavyne
Type Locality
Ottaviano, Monte Somma, Somma-Vesuvius Complex, Naples Province, Campania, Italy
Mineral Data
(Na,K)
6
Ca
2
(Al
6
Si
6
O
24
)Cl
4
Strunz:
9.FB.05
Physical Properties
Crystal System:
Hexagonal
Streak:
White
Hardness:
5.0
