Metalographic or Metallographic: How To spell?

The word Metalographic is misspelled against Metallographic, an adjective meaning "Pertaining to, or by means of, metallography."

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