1) Monoclinic mineral 
Ephesite is a rare member of the mica silicate mineral group, phyllosilicate. It is restricted to quartz-free, alumina rich mineral assemblages and has been found in South African deposits in the Postmasburg district as well as Ephesus, Turkey. == Composition == Ephesite has an ideal chemical formula of NaLiAl2(Al2Si2)O10(OH)2. Ephesite and parago...