any of a group of monoclinic or orthorhombic silicate minerals usually containing iron or magnesium but not the hydroxyl radical, and commonly found in igneous rocks
Origin of pyroxeneFrench pyroxène ; from Classical Greek pyr, fire + xenos, stranger: from its being foreign to igneous rocks
Any of a group of crystalline silicate minerals common in igneous and metamorphic rocks and containing two metallic oxides, as of magnesium, iron, calcium, sodium, or aluminum.
Origin of pyroxeneFrench pyroxène : Greek puro-, pyro- + Greek xenos, stranger (originally viewed as a foreign substance when found in igneous rocks); see ghos-ti- in Indo-European roots.
From French pyroxÃ¨ne, from pyro- + Ancient Greek Î¾ÎÎ½Î¿Ï‚ (ksenos, “stranger").