PSILOMELANE
    
Meaning of PSILOMELANE in English
	
( n. )
 A hydrous oxide of manganese, occurring in smooth, botryoidal forms, and massive, and having an iron-black or steel-gray color.
	
	
	Webster's Revised Unabridged English Dictionary.
    	Пересмотренный полный словарь английского языка Webster.
	2012