Lavmontite or Laumontite: How To spell?

The word Lavmontite is misspelled against Laumontite, a noun meaning "A mineral, of a white color and vitreous luster. It is a hydrous silicate of alumina and lime. Exposed to the air, it loses water, becomes opaque, and crumbles."

Word contains consecutive vowels 'AU' in between alphabets l & montite is misspelled as 'AV'
Wrong Spelling:  l-av-montite 
Correct Spelling:  l-au-montite 
Find more incorrect spellings of Laumontite to spell right way.

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