Fraieslebenite or Freieslebenite: How To spell?

The word Fraieslebenite is misspelled against Freieslebenite, a noun meaning "A sulphide of antimony, lead, and silver, occuring in monoclinic crystals."

Word contains consecutive vowels 'EI' in between alphabets fr & eslebenite is misspelled as 'AI'
Wrong Spelling:  fr-ai-eslebenite 
Correct Spelling:  fr-ei-eslebenite 
Find more wrongly spelled words of Freieslebenite to spell it well.