AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > Psilomelane (romanèchite+hollandite+cryptomelane)

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Psilomelane (romanèchite+hollandite+cryptomelane) from Ironwood District, Gogebic County, Michigan

 
Psilomelane (romanèchite+hollandite+cryptomelane) from Ironwood District, Gogebic County, Michigan

Psilomelane (romanèchite+hollandite+cryptomelane) from Ironwood District, Gogebic County, Michigan

Psilomelane (romanèchite+hollandite+cryptomelane) from Ironwood District, Gogebic County, Michigan

DESCRIPTION:No. 62292
Mineral:Psilomelane (romanèchite+hollandite+cryptomelane)
Locality:Ironwood District, Gogebic County, Michigan
Description:Heavy specimen of brown black psilomelane with mammilary hemispherical formations to 30 mm diameter on the top face. Psilomelane is a mixture of oxides of manganese composed of romanèchite, hollandite, cryptomelane, etc.). Ex. Morris Museum Geology Department (N.J.)
Overall Size:11x9x5.5 cm
Crystals:
Status: For reference only
Buy similar: Minerals from Midwest, USA > Oxide Mineralss

 

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