Mindat.org is the world's most complete on-line reference for minerals and their localities. It is updated daily, and it features live discussions and detailed mineralogical and locality information on a worldwide basis. Mindat.org offers user searches by mineral name, locality, chemistry, physical properties and more, and access to its on-line reference library is a valuable tool for collectors and researchers alike.  With well over one million photos, it is the most comprehensive visual presentation of minerals today.