verb. 1  To take (the property of another) without right or permission. 2  To present or use (someone else's words or ideas) as one's own. 3  To get or take secretly or artfully: steal a look at a diary; steal the puck from an opponent. 4  To give or enjoy (a kiss) that is unexpected or unnoticed.
Peridotite is a coarse-grained, dark-colored intrusive igneous rock, which consists of minerals such as pyroxene and olivine. It usually contains olivine as the primary mineral in addition to other mafic minerals, such as amphiboles and pyroxenes. It is very low in silica and high in magnesium.
Peridot, a green colored crystalline variety of the mineral chrysolite or olivine, is a magnesium iron silicate. The gemstone variety of olivine is known as Peridot and the shade of green can vary from a yellow-green to brown-green color, however the most valuable is considered to be the dark olive green.