Macfallite, Pyrolusite

Manganese Mine
Copper Harbor
Size: 9.7x9.0x5.0 cm
Largest crystal size: 2mm mm
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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.

All prices in Canadian dollars. For payment in US$, deduct 25% or multiply by 0.75.

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