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.
The Gemstone Peridot. Peridot is a well-known and ancient gemstone, with jewelry pieces dating all the way back to the Pharaohs in Egypt. The gem variety of the mineral Olivine, it makes a lovely light green to olive-green gemstone.The intensity of color depends on the amount of iron present in a Peridot's chemical structure; the more iron it contains the deeper green it will be.eridot SOURCES. Although the mineral Olivine is fairly common, the gem form of Peridot is more limited. Egypt was the ancient source of Peridot, but now the main sources are in Pakistan, Burma, Afghanistan, China, Vietnam, Ethiopia, and the United States (Arizona).