in organic and inorganic matter 1, 2 . The cross-section of the Great Pyramid of Giza (pyramid of Cheops) suggests that this structure is based on the so-called Kepler triangle, i.e., the right triangle with the sides, a, avo, ad, a > 0, where = 1.618033989... is the golden ratio, and this proportion is repeated in the pyramid with the surprisingly high precision. Although the occurrence of the