iStone is presented in a three-dimensional environment and was designed to take advantage of the high-resolution screen and advanced capabilities of the iPad tablet. The app presents images and technical information on over 1,000 natural stones from around the world, including a search function that allows the user to filter by stone type, color, country of origin and more. Also included is the ability to view stones in three-dimensional and book-match format as well as email capability to share images with clients, colleagues or friends.