Definitions

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A monoclinic blue mineral containing copper, hydrogen, oxygen, and silicon.

from The Century Dictionary and Cyclopedia

  • n. In petrography, a variety of the igneous rock phonolite, first observed in the Apache mountains of Texas, characterized by sodic amphiboles and ænigmatite as associates of the usual sodic pyroxenes, and by microperthite feldspar.

Etymologies

Apache +‎ -ite (Wiktionary)

Examples

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