olivine
Noun
Meaning
A common name of the yellowish green mineral chrysolite, esp. the variety found in eruptive rocks.
Source: Webster's dictionarySynonyms
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Examples
At about 0.8 mole fraction fayalite, olivine transforms directly to ringwoodite over the pressure range convert.
Compositions of olivine are commonly expressed as molar percentages of forsterite (Fo) and fayalite (Fa) (e.
Chesterman and Lowe, p. 573 Several rock-forming minerals are part of this subclass, such as the aluminosilicates, the olivine group, and the garnet group.
Alkali basalts typically have mineral assemblages that lack orthopyroxene but contain olivine.
Good crystals of augite and olivine are also to be obtained in the ash beds of Vesuvius and of many other volcanoes, ancient and modern.
High pressure polymorphs At the high temperatures and pressures found at depth within the Earth the olivine structure is no longer stable.