Hatogayu refers to the natural quartz crystal.

水晶是指天然的石英晶体.

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Natural quartz crystal from DONGHAI, JIANG SU mostly include amethyst , smoky quartz and yellow quartz.

东海天然有色水晶主要有紫晶 、 烟晶、黄水晶.

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The common inclusions in natural quartz crystal are needle crystal and fibrous crystal.

天然水晶中最为常见的固态包裹体为针状、纤维状晶体.

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