Houynite or Hauynite: How To spell?
The word Houynite is misspelled against Hauynite, a noun meaning "A blue isometric mineral, characteristic of some volcani/ rocks. It is a silicate of alumina, lime, and soda, with sulphate of lime."
Word contains consecutive vowels 'AU' in between alphabets h & ynite is misspelled as 'OU'Wrong Spelling:  h-ou-ynite  Correct Spelling:  h-au-ynite 
Check more misspelled words of Hauynite to spell it correct.