Syenitic

• (a.) Relating to Syene; as, Syenitic inscriptions. • (a.) Relating to, or like, syenite; as, syenitic granite.
Found on http://thinkexist.com/dictionary/meaning/syenitic/

Syenitic

Sy`e·nit'ic adjective [ Written also sienitic .] 1. Relating to Syene; as, Syenitic inscriptions. 2. Relating to, or like, syenite; as, syenitic granite.
Found on http://www.encyclo.co.uk/webster/S/262
No exact match found