Wiktionary
franklinphilite
n. (context mineral English) A triclinic mineral containing aluminum, hydrogen, iron, magnesium, manganese, oxygen, potassium, silicon, sodium, and zinc.
Wikipedia
Franklinphilite
Franklinphilite is a phyllosilicate of the stilpnomelane group, found exclusively from the Franklin and Sterling Hill mines in Franklin, Sussex County, New Jersey.