CLINOPTILOLITE-Ca (Ca0.5,Na,K)6Al6Si30O72·20H2O (monoclinic) . zeolite group . Crystals platy,usually in clusters.vitreous,whitish transparent to translucent . Succor Creek, Malheure County, Oregon . CLINOPTILOLITE 為沸石類，硬度 3.5 - 4，細小的板狀結晶常群集如高爾夫球狀聚晶，非常可 愛．長在玄武岩晶洞中，為少見之礦！ 與片沸石∼heulandite 結構類似．主要產地∼Arizona; the Yucca Mountains of Nevada; Altoona, Washington; Agate Beach and Madres, Oregon and several sites in California, USA. Italy; Kuruma Pass, Japan; McQueens Valley and Moeraki, New Zealand and Chinchwad, India.

經典名礦欣賞．２
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