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Joelbruggerite: Pb3Zn3Sb+++++As2O13(OH) Mimetite: Pb5(AsO4)3Cl
Comments: SEM image of a barrel-shaped joëlbruggerite crystal lanced by acicular mimetite. (AmMin, v94:1012).
Location: Black Pine mine, 14.5 km northwest of Philipsburg, Granite County, Montana, USA.
Scale: Crystal Size 30 µm across.
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