trigonite
noun
trigo·nite
ˈtrīgəˌnīt,
ˈtrig-
plural -s
: a mineral MnPb3H(AsO3)3 consisting of an acid lead manganese arsenite and occurring in yellow to brown triangular wedge-shaped crystals (hardness 2–3)
Love words? Need even more definitions?
Merriam-Webster unabridged
Share