Trostite or Troostite: How To spell?

The word Trostite is misspelled against Troostite, a noun meaning "Willemite."

Troostite has double "oo" is mispronounced as "o"
Remember double 'OO' in between the strings tr & stite which should not be misspelled with single 'O'
Wrong Spelling:  tr-o-stite 
Correct Spelling:  tr-oo-stite 
Find more incorrect spellings of Troostite to spell right way.

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