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

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

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. 57184
Mineral:Psilomelane (romanèchite+hollandite+cryptomelane)
Locality:Ironwood District, Gogebic County, Michigan
Description:Mammilary formations of iridescent brown-black psilomelane (mixture of oxides of manganese composed of romanèchite, hollandite, cryptomelane, etc.).
Overall Size:7x4x2.5 cm
Crystals:0.5 mm
Archived: For reference only

 

 

 

 

 

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