The Poetry of Science; or, Studies of the Physical Phenomena of Nature
CHAPTER V.
CRYSTALLOGENIC FORCES.
Crystallisation and Molecular Force distinguished--Experimental Proof--Polarity of Particles forming a Crystal--Difference between Organic and Inorganic Forms--Decomposition of Crystals in Nature--Substitution of Particles in Crystals--Pseudomorphism--Crystalline Form not dependent on Chemical Nature--Isomorphism--Dimorphism--Theories of Crystallogenic Attraction--Influence of Electricity and Magnetism--Phenomena during Crystallisation--Can a change of Form take place in Primitive Atoms?--Illustrative Example of Crystallisation 50