Aphanite

Aphanite, or aphanitic as an adjective, (from the Greek αφανης, invisible) is a name given to certain igneous rocks which are so fine-grained that their component mineral crystals are not detectable by the unaided eye (as opposed to phaneritic igneous rocks, where the minerals are visible to the unaided eye). This geological texture results ...
Found on http://en.wikipedia.org/wiki/Aphanite

Aphanite

• (n.) A very compact, dark-colored /ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.
Found on http://thinkexist.com/dictionary/meaning/aphanite/

aphanite

noun fine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye
Found on https://www.encyclo.co.uk/local/20974

Aphanite

Aph'a·nite noun [ Greek ... invisible; 'a priv. + ... to appear.] (Min.) A very compact, dark-colored ...ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.
Found on http://www.encyclo.co.uk/webster/A/101

aphanite

aphanite 1. An igneous rock with mineral components that are too fine to be seen with the naked eye. 2. A very compact, dense, homogeneous dark-colored rock, consisting of grains which are too fine to be seen without some form of magnification.
Found on http://www.wordinfo.info/words/index/info/view_unit/1096/

Aphanite

Aphanite is a very compact, dark-coloured rock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains.
Found on http://www.probertencyclopaedia.com/browse/HA.HTM

aphanite

crystalline rock in which the individual grains are so small they cannot be distinguished by the naked eye or even with the aid of a handlens.
Found on https://www.encyclo.co.uk/local/20132

aphanite

[n] - fine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye
Found on http://www.webdictionary.co.uk/definition.php?query=aphanite
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