Crystalometry or Crystallometry: How To spell?

The word Crystalometry is misspelled against Crystallometry, a noun meaning "The art of measuring crystals."

Crystallometry has double "ll" is mispronounced as "l"
Remember double 'LL' in between the strings crysta & ometry which should not be misspelled with single 'L'
Wrong Spelling:  crysta-l-ometry 
Correct Spelling:  crysta-ll-ometry 
Find more incorrect spellings of Crystallometry to spell right way.