最終更新日：2024/08/04

(mineralogy) A K-feldspar-nepheline syenite mineral containing a proportion of ferromagnesian minerals, usually pyroxene, hornblende, and biotite.

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foyaite

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foyaite

noun

(mineralogy) A K-feldspar-nepheline syenite mineral containing a proportion of ferromagnesian minerals, usually pyroxene, hornblende, and biotite.

I found a beautiful foyaite on the beach.

意味（1）

(mineralogy) A K-feldspar-nepheline syenite mineral containing a proportion of ferromagnesian minerals, usually pyroxene, hornblende, and biotite.