Hureaulite & Rockbridgeite

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Jocao Mine, Galileia, Minas Gerais, Brazil
1559
Complex specimen with well crystallised pink Hureaulite accompanied with a little Rockbridgeite. Excellent hureaulite crystals for such a rare specie and little has come out of this famous manganese pegmatite deposit since the exceptional find in the mid 1990's. Additionally the specimen has a small area of individual tan coloured crystals that look under the microscope like Stewartite - needs testing. Also blue-green stellate crystals around rockbridgeite nodules look like Beraunite.
Formulas: Hureaulite Mn2+5(PO3OH)2(PO4)2 . 4H2O ; Rockbridgite Fe2+Fe3+4(PO4)3(OH)5
Status: Sold
Dimensions: 47x13x23mm
Size: Miniature (M)
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