a hard, brittle, orthorhombic pyroxene, MgSiO, found in igneous rocks and in meteorites; magnesium silicate
Origin of enstatiteGerman enstatit ; from Classical Greek enstat?s, opponent + German -it, -ite: from its refractory nature
A glassy, usually yellowish gray variety of orthopyroxene having a magnesium silicate base, mainly MgSiO3, usually found embedded in igneous rocks and meteorites.
Origin of enstatiteGreek enstat&emacron;s, adversary (because of its refractory quality) : en-, in, at, near; see en–2 + -stat&emacron;s, one that stands; see sta- in Indo-European roots + –ite1.
- (mineralogy) A form of pyroxene consisting solely of magnesium silicate.