Pyrophylite or Pyrophyllite: How To spell?
The word Pyrophylite is misspelled against Pyrophyllite, a noun meaning "A mineral, usually of a white or greenish color and pearly luster, consisting chiefly of the hydrous silicate of alumina."
Pyrophyllite has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings pyrophy & ite which should not be misspelled with single 'L'
Wrong Spelling:  pyrophy-l-ite  Correct Spelling:  pyrophy-ll-ite 
Find more incorrect spellings of Pyrophyllite to spell right way.