POLYLITHIONITE KLi3AlSi4O10F2 (monoclinic) . mica group . rosette of silvery brown platy crystals . Mont Saint Hilaire, Quebec, Canada . POLYLITHIONITE外觀呈現片狀或板狀的六面体，白色帶點粉紅或棕色，珍珠光澤， 硬度 2~3 ， 常與鈉沸石，微斜長石等共生．
礦名來源：From the Greek "poly" for many or much, and in allusion to its high LITHIum content.

經典名礦欣賞
NO.192