sussexite

English

Etymology

From Sussex +‎ -ite, after Sussex County, New Jersey, where it was first discovered in 1868.

Noun

sussexite (usually uncountable, plural sussexites)

1. (mineralogy) A monoclinic manganese borate mineral with the chemical formula MnBO₂(OH).

Further reading

• David Barthelmy (1997–2025) “Sussexite”, in Webmineral Mineralogy Database.
• “sussexite”, in Mindat.org‎^[1], Hudson Institute of Mineralogy, 2000–2025.