The pyroxenes (commonly abbreviated Px) are a group of important rock-forming inosilicate minerals found in many igneous and metamorphic rocks.

pyroxene, any of a group of important rock-forming silicate minerals of variable composition, among which calcium-, magnesium-, and iron-rich varieties predominate. Pyroxenes are the …

An important rock-forming mineral of igneous and metamorphic rocks, pyroxene is not a specific mineral, but an informal name used for a number of group of related minerals.

Pyroxene was believed to be an impurity in the glass, and therefore a "stranger to fire" and not formed by the action of heat. Pyroxene was originally what might now be called "augite", but …

Pyroxene is the name of a group of dark-colored rock-forming minerals found in igneous and metamorphic rocks throughout the world. They form under conditions of high temperature …

Apr 20, 2018 · Pyroxene is a set of essential rock-forming inosilicate minerals discovered in many igneous and metamorphic rocks. Formula is XY (Si,Al)2O6.

Pyroxenes are the most significant and abundant group of rock-forming ferromagnesian silicates. They are found in almost every variety of igneous rock and occur in rocks of widely different …

The meaning of PYROXENE is any of a group of igneous-rock-forming silicate minerals that contain calcium, sodium, magnesium, iron, or aluminum, usually occur in short prismatic …

Pyroxene is a silicate mineral with the general composition (Mg,Fe)SiO 3. Though the basic formula is simple, it is said to be a complex class of minerals. The most common member of …

The pyroxenes are a group of important rock-forming silicate minerals found in many igneous and metamorphic rocks. They share a common structure comprised of single chains of silica …