FAUJASITE-Na (Na,Ca0.5,Mg0.5,K)XAlXSi12-XO24·16H2O (cubic) . zeolite group . octahedral micro crystals and crystalline lining vug . Kaiserstuhl, Baden-Wurttemberg, Germany . 八面沸石晶體呈正八面形，無或白色半透明，玻璃光澤，長於玄武岩晶洞內， 與其他沸石為伍，為細小罕見之礦．

礦名來源：Barthelemy Faujas de Saint Fond (1741-1819), French geologist and writer on the origin of volcanoes.

經典名礦欣賞．２．３．４
NO.345