Haloysite or Halloysite: How To spell?
The word Haloysite is misspelled against Halloysite, a noun meaning "A claylike mineral, occurring in soft, smooth, amorphous masses, of a whitish color."
Halloysite has double "ll" is mispronounced as "l"Remember double 'LL' in between the strings ha & oysite which should not be misspelled with single 'L'
Wrong Spelling:  ha-l-oysite  Correct Spelling:  ha-ll-oysite 
Find more incorrect spellings of Halloysite to spell right way.