anorthitic

(redirected from anorthiticly)

an·or·thite

 (ăn-ôr′thīt)
n.
A white to gray variety of plagioclase feldspar that contains a high proportion of calcium to sodium and occurs in alkaline igneous rocks such as gabbro and anorthosite.

[From Greek an-, not; see a-1 + orthos, straight (from its oblique crystals).]

an′or·thit′ic (-thĭt′ĭk) adj.
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Adj.1.anorthitic - characteristic of anorthiteanorthitic - characteristic of anorthite