Description
Beautiful set of prismatic crystals of manganite, a manganese hydroxide, very bright and not too badly finished.
Mineral from Ilfeld, Germany.
Specimens from the De Chalendar collection, a family of industrialists who built up a mineralogical collection focusing on iron, manganese and other ores in the 19th and 20th centuries.
Mineral delivered in its original box.
This post is also available in: French