CONCLUSION Halloysitum rubrum is consisted of Halloysite and Kaolinite, so the identification way of Halloysite and Kaol结论证明脑石就是赤石脂和白石脂，可用鉴别赤石脂和白石脂的方法来鉴别脑石。
RESULTS Macroscopic characters of Halloysitum rubrum were observed, physical and chemical identification of Halloysitum 结果观察了脑石的性状特征，建立了脑石的理化鉴别方法。