Stone Book From this app you will be able to know and learn about gemstones. The stone is used for many human purposes. Each stone has a feature that sets itself apart from others. Learn about this feature. Find out which stone is used for what purpose and what benefits are available. Stone these can support earn homeostasis in different aspects of the human body, spirit and mind. Some reason stones may have a deep influence on human beings will really be because your system is composed of cells plus these could resonate with all precisely the exact same silicon dioxide make-up of crystals. Hope you get complete idea about your precious stone through this apps.