857. The chemism of air is in the beginning electricity and then the true process of combustion; both are similar, but different in position. In the process of combustion both elements are unipolar in the air, thus moieties; but in chemism two elements unite so as to constitute a Whole. The product of air-chemism is water, as the product of earth-chemism is salt. Water and salt fall into one position, but transcend each other, even as the process of combustion invades the province of chemism. The relation of electrism to chemism has now been expressed in the clearest manner. The one is chemical tension of air, but chemism is the electrical tension of earth and water. 858. Chemism is related to magnetism, as salt is to metal, as the sedimentary to the primary periods. The whole sedimentary period is a product of chemism, as the whole primary period is a product of magnetism; salt and metal are only the last evolution of these periods, and the products for whose sake all the preceding actions and formations have taken place; granite and lime with their ramifications, are but the stems, upon which metal and salt are borne as blossoms. 859. Magnetism and chemism are thus the creating agents for the solid nucleus of the earth, and through both is it completed. The process of earth-formation is a magneto-chemism. 860. Regarding the earth as an entire crystal, magnetism is the Determinant of its polar axes and polar radii, while chemism is the same in respect to its integral parts. 861. All terrestrial action is an interchange of these two functions or souls, which are none other than the living gravity and the living light upon the planet. The electricity, like the heat, only maintains them in eternal tension or extension. 862. Chemism is the process of space, density, quiescent heat; therefore the latent heat or the temperature must change in every chemical process. Chemism is related to magnetism, as heat is to gravity, to electricity like as to light. Crystallization is point, magnetism line, electrism surface, chemism cube, or expressed according to their powers: O⁰, O¹, O², O³. 863. Nothing can become solid without taking water into admixture with it. This water is the water of admixture. Nothing also can assume form, without taking water into itself--water of crystallization. 864. In so far as magnetism is active in crystallization, it renders the water identical, basic, and this therefore becomes solid; the water is not as water in a crystal, but it first becomes so by separation. 865. All chemical processes are based on the union of bodies, which are elements, but which, like acids and alkalies, have assumed the nature of the primary bodies.