aphanite
Noun
Meaning
A very compact, dark-colored /ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.
Source: Webster's dictionaryNoun
A very compact, dark-colored /ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.
Source: Webster's dictionary