7uu ((CALCITE)), Ophir Hill Mine, Ophir District, Tooele County, Utah, 5 x 3 x 3 cm, Miniature | |
This is a nice Calcite specimen from Ophir. It fluoresces red orange. Calcites from Ophir are usually damaged and also usually dissolved in HCl to expose Scheelite which is many times under the Calcite. ex University of Utah geology department. |