aphanite definition

  • noun:
    • A dense, homogeneous rock with constituents so fine that they can't be seen because of the naked-eye.
    • particular dark igneous rocks having whole grain therefore fine that the specific crystals cannot be seen with the naked-eye.
    • a tremendously compact, dark-colored ´┐Żock, consisting of hornblende, or pyroxene, and feldspar, but neither of those in perceptible grains.
    • a rather fine-grained variety of diorite (which see), or one out of that your element minerals, chiefly triclinic feldspar and hornblende, can not be distinguished with the naked eye.
    • fine-grained homogeneous rock (like basalt) containing nutrients undetectable because of the naked-eye

Related Sources

77 votes

How would you define aphanite?

All the definitions on AZdictionary were written by people just like you. Now's your chance to add your own!