六方晶系
7个晶系之一。属中级晶族。其对称特点是，惟一的高次轴为6次对称轴或倒转轴。此惟一的6次轴即选择作为晶体的直立结晶轴，3个水平结晶轴的正端互成120°交角，它们与c轴均正交，从而必定有：轴角α＝β＝90°，γ＝120°，轴单位a＝b≠c。早先曾将三方晶系包含于六方晶系之内，而将它们区分为菱面体亚晶系和六方亚晶系两者。
Classification(s)
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Geographic semantic resource library Earth System(in Chinese) Karstology
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| English |
|---|
| Name | hexagonal system |
| Chinese |
|---|
| Name | 六方晶系 |
| Description | 7个晶系之一。属中级晶族。其对称特点是，惟一的高次轴为6次对称轴或倒转轴。此惟一的6次轴即选择作为晶体的直立结晶轴，3个水平结晶轴的正端互成120°交角，它们与c轴均正交，从而必定有：轴角α＝β＝90°，γ＝120°，轴单位a＝b≠c。早先曾将三方晶系包含于六方晶系之内，而将它们区分为菱面体亚晶系和六方亚晶系两者。 |
{{htmlJSON.HowtoCite}}
NNU_Group (2011). 六方晶系, Concept & Semantic, OpenGMS,
https://geomodeling.njnu.edu.cn/repository/concept/5108f705-3821-4744-aaf1-f19da116fa57
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