""The Isomorphism And Thermal Properties Of The Feldspars"" is a scientific book written by Arthur Louis Day and published in 1905. The book explores the isomorphism and thermal properties of feldspars, which are a group of rock-forming minerals commonly found in igneous and metamorphic rocks. Day's research focuses on the relationship between the crystal structure of feldspars and their thermal behavior, particularly their thermal expansion and specific heat. He also examines the isomorphism of feldspars, which refers to the ability of different minerals to have the same crystal structure despite having different chemical compositions. The book is divided into several chapters, each of which delves into a specific aspect of feldspar isomorphism and thermal properties. Day's research is based on extensive experimentation and analysis, and he provides detailed descriptions of his methods and results. Overall, ""The Isomorphism And Thermal Properties Of The Feldspars"" is a valuable resource for geologists, mineralogists, and researchers interested in the properties and behavior of feldspars. It provides a thorough and detailed examination of these minerals and their properties, making it an important contribution to the field of mineralogy.Introduction By George Ferdinand Becker.This scarce antiquarian book is a facsimile reprint of the old original and may contain some imperfections such as library marks and notations. Because we believe this work is culturally important, we have made it available as part of our commitment for protecting, preserving, and promoting the world's literature in affordable, high quality, modern editions, that are true to their original work.