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Pyroxene exsolution Mineralogical Society of America

Relict coarse high temperature inverted pigeonite lamellae in host augite and cooling 4 inversion of pigeonite to orthopyroxene and 5 decomposition of

Pigeonite Wikipedia

Pigeonite is a mineral in the clinopyroxene subgroup of the pyroxene group It has a general formula of Ca Mg Fe Mg Fe Si2O6 The calcium cation fraction

Pigeonite Mineral information data and localities Mindat

Pyroxene Group Clinopyroxene Subgroup A high temperature mineral forming mostly above 900°C and with slow cooling tends to invert to a mixture of

Pyroxene Group

Sep 13 2005 Pigeonite Mg Fe2 Ca 2Si2O6 – Thin section Plane light Colorless Pigeonite is distinguished from other pyroxenes by its low 2V angle

Inosilcates Tulane University

Nov 14 2011 Pigeonite is also a monoclinic pyroxene with a composition similar to the orthopyroxenes with more Ca substituting for Fe and Mg
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