Noah Webster
Umboldilite
UMBOLDILITE, noun [from Humboldt.] A newly discovered Vesuvian mineral, whose primitive form is a right rectangular prism, with a square base, its color brown, inclining to yellowish or greenish yellow.
UMBOLDILITE, noun [from Humboldt.] A newly discovered Vesuvian mineral, whose primitive form is a right rectangular prism, with a square base, its color brown, inclining to yellowish or greenish yellow.