A simple graphical method fo determining crystal face symbols on a stereographic projection
Abstract
The author did not title this article "A New Method for Determining Symbols" by accident. Representing a combination of two already known methods, this method cannot be called new. It turns out that the two methods—the method of Prof. O. M. Ansheles and a somewhat modified belt method—when applied together, make the process of determining symbols simpler than when applying each of these methods separately. However, the aim of this article is not only to show a way of such joint application of these methods, but also to provide a simple derivation and proof of the proposed combined method that is independent of them. The author considers it necessary to provide such an independent derivation in order to make this method fully accessible, both practically and theoretically, even to persons unfamiliar with the methods upon which the proposed approach relies, from which the proposed method has grown.
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