Apophylite or Apophyllite: How To spell?
The word Apophylite is misspelled against Apophyllite, a noun meaning "A mineral relating to the zeolites, usually occurring in square prisms or octahedrons with pearly luster on the cleavage surface. It is a hydrous silicate of calcium and potassium."
Apophyllite has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings apophy & ite which should not be misspelled with single 'L'
Wrong Spelling:  apophy-l-ite  Correct Spelling:  apophy-ll-ite 
Find more incorrect spellings of Apophyllite to spell right way.