enstatite
enstatite
Definition
en·sta·tite (en′stə tīt′)
noun
a hard, brittle, orthorhombic pyroxene, MgSiO, found in igneous rocks and in meteorites; magnesium silicate
Etymology: Ger enstatit < Gr enstatēs, opponent + Ger -it, -ite: from its refractory nature
