|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Michigan > 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|
|Status:||Sold - Posted here for reference only|
|Buy similar:||Minerals from Midwest, USA > Oxide Mineralss|
© AllMinerals/JohnBetts-FineMinerals All Rights Reserved
The minerals illustrated on this site are presented for reference purposes only. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this museum. Please contact the property owner to obtain legal permission before entering private property.