THE BASIC PRINCIPLES OF CRYSTAL

17These rings are indicative of your crystal construction of nickel and can be described only by invoking wavelike Houses of light.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。Crystals are attractive rock formations that have surprised people for 1000s of a long time. They are employed for a lot of