ferroaugite

ferroaugite

[¦fe·rō′ȯ‚gīt]
(mineralogy)
A form of monoclinic pyroxene.
References in periodicals archive ?
They are high iron tholeiitic dolerites with strongly zoned pyroxenes (pigeonite, augite, ferroaugite).
The essential minerals of the basalts are the expected plagioclase, augite, olivine and iron-titanium oxides, while minor amounts of apatite, ferroaugite, and analcite were detected in some units.
The gabbro consists mainly of medium- to coarse-grained plagioclase (andesine to labradorite), clinopyroxene (ferroaugite), and opaque minerals in intergranular to subophitic and rarely ophitic texture.