This fluorescence is caused by trace amounts of uranyl ions incorporated into the silica structure during its formation
particularly long-wave UV (black light)
with some specimens exceeding several inches in diameter
glassy appearance and a delicate
The Elmwood Mine
Fluorite w/ Sphalerite (Elmwood Mine) Item Number:GA004_8 This fluorescence is caused byFluorite from the Elmwood Mine is highly regarded among mineral enthusiasts and collectors for its exceptional quality and beauty. The Elmwood Mine, located near Carthage, Tennessee, in the United States, has produced some of the world's finest specimens of fluorite. Fluorite, also known as fluorspar, is a colorful mineral composed of calcium fluoride (CaF?). It occurs in a wide range of colors, including purple, green, blue, yellow, and colorless,