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Eosphorite
Type Locality
Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA
Mineral Data
(Mn
2+
,Fe
2+
)Al(PO
4
)(OH)
2
·H
2
O
Strunz:
8.DD.20
Physical Properties
Crystal System:
Orthorhombic
Streak:
White
Hardness:
5.0
Tenacity:
brittle