Refers to the mineral composition of emerald crystal surface and cleavage plane of When the composition of the mineral particles thick jade, particularly evident.
是指组成翡翠的矿物晶面及解理面在翠面的片状闪光。当组成翡翠的矿物颗粒粗大时，特别明显。
Mineral powders are good crystalline, and they break along the cleavage plane when they are comminuted, which cause the mineral powders have flat surfaces and sharp edge angles.
但是由于矿物晶体粉碎过程中表现出沿解理面解理破裂的强烈倾向，使得矿物粉体表面具有平整的解理面及尖锐的棱角。
The specimen with different direction, with the field or a magnifying glass to see a group of parallel dark and straight line or a line or plane appears on the cleavage plane until it is twin.
将标本向不同方向旋转，直到用野外或放大镜看到晶面或解理面上出现一组平行的明暗相间的直线或折线，这就是双晶纹。
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