This book gives a detailed account of Glass, preparation methods, spectroscopic studies, optical properties; elastic and electrical properties of Praseodymium doped silver borate glasses.This book comprises of 6 chapters. Chapter -1 gives an overview of glassy state. Chapter -2 describes different experimental techniques. Principle and brief description of experimental techniques such as XRD, DSC, MAS-NMR, FTIR, Raman, Z-scan technique, UV-Visible, Ultrasonic Interferometer and ac & dc conductivity. Chapter -3 Describes synthesis and characterization of Praseodymium doped silver-borate glasses. Chapter -4 describes optical Properties, Chapter -5 describes ultrasonic Studies, and Chapter -6 describes transport Properties of Praseodymium Doped Silver-Borate Glasses.