Fluorescent Mineral Database OpalHokkaidoite from the Shikaribetsu Lake, Hokkaido Prefecture, JapanHyalite Opal - Stone Mt., GeorgiaLemon Opal, Manhattan Mine, Knoxville, CaliforniaCalcite, Caliche, Opal, Aragonite - Mahoney Mining area, New MexicoLemon Opal - Manhattan MineOpal and Sepiolite - Cerro de los Batallones, Torrejón de Velasco, Madrid, SpainOpal - Andalusia Mine, California FMDB Home Page Submit a new specimen! My Collection
