Fluorescent Mineral Database A new secret project! Trying to create a nice Fluorescent Mineral Database (FMDB), which would be searchable by mineral, locality, and luminescence properties. Also making it easy for people to contribute with their own specimens! Back to Cave-In-Rock Mining Sub-District, Hardin County, Illinois, USAOzark-Mahoning group, Cave-In-Rock Mining Sub-District, Hardin County, Illinois, USAMinerva No. 1 MineWitherite Crystals - Minerva No.1 Mine, Cave-in-Rock, IllinoisFluorite with Phantoms - Minerva No.1 Mine, Cave-in-Rock, IllinoisWitherite - Minerva No.1, Cave-in-Rock, Hardin Co., IllinoisCalcite, Barite, Hydrozincite, Fluorite - Minerva No.1, Hardin Co., IllinoisFluorite and Calcite, Minerva No.1 Mine - Hardin County, IllinoisHydrozincite, Fluorite, Calcite - Minerva No.1 Mine, Hardin County, IllinoisFMS Sponsored Collecting Trip to Minerva Mine, Cave in Rock IL - My Best Find from that NightBarite and Calcite from the Minerva No. 1 Mine, Cave-In-Rock, IllinoisBlue Fluorescent Fluorite Cubes, Minerva No. 1 Mine, Cave-In-Rock, IllinoisFluorite, Calcite and Hydrozincite; Minerva No. 1 Mine, Cave-In-Rock, IllinoisStrontianite from the Historic Cave-In-Rock Mining District FMDB Home Page Submit a new specimen! My Collection