Philipium or Philippium: How To spell?

The word Philipium is misspelled against Philippium, a noun meaning "A rare and doubtful metallic element said to have been discovered in the mineral samarskite."

Philippium has double "pp" is mispronounced as "p"
Remember double 'PP' in between the strings phili & ium which should not be misspelled with single 'P'
Wrong Spelling: phili-p-ium
Correct Spelling: phili-pp-ium
Check more misspelled words of Philippium to spell it correct.