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Palermoite
Type Locality
Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine), Groton, Grafton Co., New Hampshire, USA
Mineral Data
(Li,Na)
2
(Sr,Ca)Al
4
(PO
4
)
4
(OH)
4
Strunz:
8.BH.25
Physical Properties
Crystal System:
Orthorhombic Vertically striated prisms.
Streak:
White
Hardness:
5.5
