硬玉

成分NaAl[Si2O6]。单斜晶系。通常成隐晶质致密块体。白色或浅绿至翠绿色。硬度6.5~7。密度3.3~3.4克/厘米3。出现刺状断口。质地坚韧。产于变质岩中。硬玉的集合体俗称翡翠,是名贵的玉石。

Concept & Semantic
  20

Alias

硬玉

Contributor

contributed at 2011-09-28

Classification(s)

Earth System(in Chinese)Mineralogy

Detailed Description

English
Name jadeite
Chinese
Name 硬玉
Description 成分NaAl[Si2O6]。单斜晶系。通常成隐晶质致密块体。白色或浅绿至翠绿色。硬度6.5~7。密度3.3~3.4克/厘米3。出现刺状断口。质地坚韧。产于变质岩中。硬玉的集合体俗称翡翠,是名贵的玉石。

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contributed at 2011-09-28

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