Pyrochroite

Mn(OH)2

This sample of pyrochroite is displayed in the Smithsonian Museum of Natural History. Pyrochroite is a hydroxide of manganese with the composition Mn(OH)2 . This sample is about 8x5 cm and is from Langban Mine, Filipstad, Varmland, Sweden. It is described as pyrochroite with lead.

Mindat: Pyrochroite

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