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Stewartite
Type Locality
Stewart Mine (MS 6162; Stewart Lithia mine), Tourmaline Queen Mountain (Pala Mtn; Queen Mtn), Pala, Pala District, San Diego Co., California, USA
Mineral Data
Mn
2+
Fe
3+
2
(PO
4
)
2
(OH)
2
·8H
2
O
Strunz:
8.DC.30
Physical Properties
Streak:
White
Hardness:
0.0
Tenacity:
very brittle
