Word: heidornite
Part of speech: Noun
Syllables: hei
dor
nite
Definition: A monoclinic-prismatic colorless mineral containing boron, calcium, chlorine, hydrogen, oxygen, sodium, and sulfur.
Morphemes:
Affix: Heidorn
Language: en
PoS: Proper noun
Meaning: Proper noun~ A  surname, from German​.
Affix: -ite
Language: en
PoS: Suffix
Meaning: Used to form nouns denoting rocks or minerals.