Word: hackmanites
Part of speech: Noun
Syllables: hack
ma
nites
Definition: Plural of hackmanite; () is a royal blue tectosilicate mineral with the formula Na8(Al6Si6O24)Cl2, widely used as an ornamental gemstone
Morphemes:
Affix: Hackman
Language: en
PoS: Proper noun
Meaning: Proper noun~ A  surname​.
Affix: -ite
Language: en
PoS: Suffix
Meaning: Used to form nouns denoting rocks or minerals.
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).