資料來源 : pyDict

葉長石; 葉狀鋰長石

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Petalite \Pet"al*ite\, n. [Cf. F. p['e]talite.] (Min.)
   A rare mineral, occurring crystallized and in cleavable
   masses, usually white, or nearly so, in color. It is a
   silicate of aluminia and lithia.