Augite (Clinopyroxene) 
Note the pigeonite twin lamellae in this grain. Pigeonite is a Ca-poor clinopyroxene.
UNC sample
in "norite" card
Rock type
clinopyroxenite
Locality
West Point, GA
Augite (Clinopyroxene) Note the pigeonite twin lamellae in this grain. Pigeonite is a Ca-poor clinopyroxene. |
UNC sample in "norite" card | |
Rock type clinopyroxenite | ||
Locality West Point, GA | ||
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