Syenite

Syenite: All you need to know about this class of intrusive igneous rocks Syenite, any of a class of meddling volcanic shakes basically made out of an antacid feldspar and a ferromagnesian mineral. An extraordinary gathering of salt syenites is portrayed by the presence of feldspathoid mineral-like nepheline, leucite, cancrinite, or sodalite (see nepheline syenite). …

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