polianite
English
editEtymology
editAncient Greek to become grey.
Noun
editpolianite (countable and uncountable, plural polianites)
- (mineralogy) manganese dioxide, occurring in hard tetragonal crystals
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for “polianite”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)
Further reading
edit- David Barthelmy (1997–2024) “Polianite”, in Webmineral Mineralogy Database.
- “polianite”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2024.