from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A monoclinic manganese borate mineral with the chemical formula MnBO2(OH).
from The Century Dictionary and Cyclopedia
- n. A hydrous borate of manganese, magnesiuin, and zinc (H(Mn,Zn,Mg)BO4) occurring in white fibrous forms at Franklin Furnace, Sussex county, New Jersey.
Sussex + -ite, after Sussex County, New Jersey where it was first discovered in 1868. (Wiktionary)