目的要求：
1、认识47种几何单形的特征、命名，熟练掌握十余种常见单形；
2、了解不同单形在各晶系、晶族中的分布特点；
3、熟悉单形符号的书写规则与方法；
4、熟悉几何单形与结晶单形的联系与区别。
步骤：
1、确定晶体的对称型，并进行晶体定向；
2、分析单形中的晶面数目、形状、与对称要素之间的关系(平行、垂直、等角度相交、斜交)，单形的横切面形态；
3、选择代表晶面，确定单形符号；对照教材上的单形表及示意图，记忆单形名称。
模型号码：7063
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