PLANCHÉITE


Meaning of PLANCHÉITE in English

ˈplänchāˌīt,  ̷ ̷ˈ ̷ ̷ˌ ̷ ̷ noun

( -s )

Etymology: French, from Planché, proper name + French -ite

: a mineral Cu 15 Si 12 O 36 (OH) 8 (?) consisting of a blue fibrous copper silicate

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.