ärˈdeˌnīt noun
( -s )
Etymology: German ardennit, from Ardennes region, Belgium, its locality + German -it -ite
: a mineral Mn 5 Al 5 (VO 4 )(SiO 4 ) 5 (OH) 2 .2H 2 O consisting of a hydrous silicate vanadate and arsenate of manganese and aluminum
ärˈdeˌnīt noun
( -s )
Etymology: German ardennit, from Ardennes region, Belgium, its locality + German -it -ite
: a mineral Mn 5 Al 5 (VO 4 )(SiO 4 ) 5 (OH) 2 .2H 2 O consisting of a hydrous silicate vanadate and arsenate of manganese and aluminum
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012