OKENITE Ca10Si18O46·18H2O (triclinic) ． white acicular tufts on amethyst． Bombay, Maharashtra, India． OKENITE常見針狀，纖維狀的球形集合体，如綿花球狀"cottonball" 非常可愛，硬度 4.5~5 ，在玄武岩的晶洞中與 gyrolite, calcite, apophyllite, quartz, laumontite等沸石類為伍 .著名產地：Poona, India; Greenland, Chile and Ireland.

礦名來源：Named after the German natural historian, Lorenz Oken (1779-1851), Munich Germany.

經典名礦欣賞．２
NO.628