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17These rings are indicative of the crystal structure of nickel and can be defined only by invoking wavelike Qualities of sunshine.这些光圈表明了了镍的晶体结构，而且只能通过光线中波的特征来解释。无色水晶以晶莹美丽、洁净透明着称。衡量无色水晶主要看它的纯度，越纯、越透明越好。干