Fluorescent and phosphorescent both l.w. Fluorite is found locally with pyrrhotite in granite in sec. Fluorite is found with sphalerite along shear zones and faults at the Grayville Mine in Sec. Fluorite is otherwise rare in the rocks of the Upper Mississippi Valley zinc-lead district. Fluorite is a common component of the igneous rocks around Wausau.
Numerous outcrops occur in sec.
Fluorite is found in nepheline syenite at the old zircon quarry in SE SE . It is here associated with, micorperthite, albite, albite, aegirine, pyrochlor, apatite, eucolite as well as zircon crystals. R.7E on the western edge of Wausau. Fluorite is common in granitic rocks exposed in a quarry in the NE sec. Fluorite occurs as purple to blue massive material in cavities in granite and as rare yellow octahedra in quartz veins at the Koss quarry, south of Rib Mountain.