What does aphanite mean?

Definitions for aphanite
aphan·ite

Here are all the possible meanings and translations of the word aphanite.

Princeton's WordNet

  1. aphanitenoun

    fine-grained homogeneous rock (such as basalt) containing minerals undetectable by the naked eye

Wiktionary

  1. aphanitenoun

    Certain dark igneous rocks having grain so fine that the individual crystals cannot be seen with the naked eye.

Webster Dictionary

  1. Aphanitenoun

    a very compact, dark-colored /ock, consisting of hornblende, or pyroxene, and feldspar, but neither of them in perceptible grains

    Etymology: [Gr. invisible; 'a priv. + to appear.]

Freebase

  1. Aphanite

    Aphanite, or aphanitic as an adjective, 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. This geological texture results from rapid cooling in volcanic or hypabyssal environments. As a rule, the texture of these rocks is not quite the same as that of volcanic glass, with volcanic glass being even finer grained than aphanitic rocks, and having a glass-like appearance. Aphanites are commonly porphyritic, having large crystals embedded in the fine groundmass or matrix. The large inclusions are called phenocrysts. They consist essentially of very fine-grained minerals, such as plagioclase feldspar, with hornblende or augite, and may contain also biotite, quartz, and orthoclase.

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Numerology

  1. Chaldean Numerology

    The numerical value of aphanite in Chaldean Numerology is: 3

  2. Pythagorean Numerology

    The numerical value of aphanite in Pythagorean Numerology is: 2

Images & Illustrations of aphanite

  1. aphanite

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