Thirty-two classes of crystals are theoretically possib le, to the highest degree all common minerals fall into one of about 12 classes, and roughly classes have never been seen. The thirty-two classes are group into six crystal systems, based on the length and blot of the crystal axes. Crystal axes are imaginary lines passing done the promenade of the crystals. Minerals in each system share certa...If you pauperism to bring down a full essay, order it on our website: OrderEssay.net
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