David K. Joyce

Macfallite, Pyrolusite

9.7x9.0x5.0 cm
Manganese Mine
Copper Harbor
Michigan, USA

Macfallite, PyrolusiteMacfallite, PyrolusiteMacfallite, Pyrolusite

Item number: 27802

Lots of macfallite in this specimen of calcite, macfallite and pyrolusite. If you etch some of the calcite off with vinegar or weak acid, there will be loads of nice macfallite crystals to view.