THE 5-SECOND TRICK FOR CRYSTAL

The 5-Second Trick For Crystal

17These rings are indicative on the crystal composition of nickel and will be spelled out only by invoking wavelike properties 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。杂质、裂纹越少越好。质地好的水晶制品,应看不到星点状、云雾状和絮状分布的气液

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