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Matulaite

Type Locality
Bachman Mine, Hellertown, Lower Saucon Township, Northampton Co., Pennsylvania, USA
Mineral Data
(Fe3+,Al)Al7(PO4)4(PO3OH)2(OH)8(H2O)8·8H2O
Strunz: 
8.DK.30
Physical Properties
Hardness: 
1.0
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