Crystal Prospect
MANGANESE nodule - Hawai'i Islands, USA
Very dark brown Manganese nodule - a concretion of layers composed from manganese (Mn) and iron (Fe) hydroxides (Mn and Fe-bearing minerals), once considered for potential of polymetallic ores exploration in future.
ex D.Rice, ~1975
from the deep bottom of Pacific Ocean, in area of Hawai'i Islands (Clarion-Clipperton Zone)
Measures approximately 2.75 x 2 x 2 inch, 7.30 oz / 70 x 51 x 51 mm, 207g
Price: 3000.00 USD
Item # A0030621