Treatise On Mineralogy V2: Or The Natural History Of The Mineral Kingdom is a book written by Friedrich Mohs in 1825. It is a comprehensive guide to the study of minerals and their properties. The book is divided into two volumes, with the second volume focusing on the physical and chemical properties of minerals. Mohs was a renowned mineralogist who developed a system for identifying minerals based on their hardness. This system, known as the Mohs...