Basalt fiber possesses many superior properties, such as excellent mechanical properties, high resistance to the chemical, temperature and environmental attacks, and outstanding electrical and sound insulation. In addition, it is cost-effective and environmentally friendly because the raw materials are widely found in nature and the fiber can be discarded into the environment without any negative effect. Basalt fiber has attracted great attention as reinforcement for composites in recent years, and developed materials have been extensively used in transportation, automobile, aerospace, and civil engineering.Despite its many attractive attributes, and the contributions of basalt fiber, there are still numerous challenges to be addressed in terms of preparation, properties, and application. In addition, some of the merits of this high-performance fiber reported in the literature are usually inconsistent and incomplete, where intuition often prevails over rationality.High Performance Basalt Fiber: Fundamentals and Applications provides a comprehensive and systematic review of the latest developments in this important research field. It offers a complete and thorough analysis of the correlation between the structure and properties of basalt fiber, as well as key methods and technologies for the preparation and application of this fiber and it related composites. There is also a detailed overview of the history of basalt fiber, as well functionalization and recent state-of-art progress on basalt fiber and its corresponding composites. The book will thus fill a gap in the field, in terms of not only covering the theory but more importantly the latest technologies.