Asterophylite or Asterophyllite: How To spell?
The word Asterophylite is misspelled against Asterophyllite, a noun meaning "A fossil plant from the coal formations of Europe and America, now regarded as the branchlets and foliage of calamites."
Asterophyllite has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings asterophy & ite which should not be misspelled with single 'L'
Wrong Spelling:  asterophy-l-ite  Correct Spelling:  asterophy-ll-ite 
Find more incorrect spellings of Asterophyllite to spell right way.