Doplerite or Dopplerite: How To spell?

The word Doplerite is misspelled against Dopplerite, a noun meaning "A brownish black native hydrocarbon occurring in elastic or jellylike masses."

Dopplerite has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings do & lerite which should not be misspelled with single 'P'
Wrong Spelling: do-p-lerite
Correct Spelling: do-pp-lerite
Find more incorrect spellings of Dopplerite to spell right way.