n. 辉石

[化] 辉石

[ noun ]
dark-green to black glassy mineral of the pyroxene group containing large amounts of aluminum and iron and magnesium
<noun.substance>

Augite \Au"gite\ ([add]"j[imac]t), n. [L. augites, Gr.
a'ygi`ths, fr. a'ygh` brightness: cf. F. augite.]
A variety of pyroxene, usually of a black or dark green
color, occurring in igneous rocks, such as basalt; -- also
used instead of the general term pyroxene.