The Probert Encyclopaedia of Rocks & Minerals

PYROXENES

Pyroxenes refers to a group of closely related and dark coloured rock forming minerals. Examples are aegirine, diopside, enstatite, hedenbergite, jadeite and spodumene. Pyroxenes are common rock-forming minerals which are found in most igneous and many metamorphic rocks. Their presence in a rock indicates that it crystallised at a high temperature.
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