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Tephrite vs Tephroite - What's the difference?

tephrite | tephroite |

As nouns the difference between tephrite and tephroite

is that tephrite is (geology) an igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both while tephroite is (mineralogy) an orthorhombic-dipyramidal mineral containing manganese, oxygen, and silicon.

tephrite

English

Noun

  • (geology) An igneous rock consisting essentially of plagioclase and either leucite or nephelite, or both.
    • (Webster 1913)

    tephroite

    English

    Noun

  • (mineralogy) An orthorhombic-dipyramidal mineral containing manganese, oxygen, and silicon.

    • References

    * Tephroite in the Mineralogy Database: [http://webmineral.com/data/Tephroite.shtml]