Formula: CaWO4 Tetragonal
Description: Scheelite is a high temperature hydrothermal mineral that forms the primary ore of tungsten.
WOOD COUNTY: Scheelite occurs rarely as “tiny grayish crystals” in quartz with molybdenite in the Haessley Quarry, Wisconsin Rapids, Wisconsin. It fluoresces brilliant bluish to yellowish white under ultraviolet light (Buchholz, 1996).
— Scheelite occurs as as a heavy mineral separate in sediments from the “rotten granite” at the Maguire Pit, near Wausau, Wisconsin (Buchholz and others, 2005a)