WGNHS
Wisconsin Geological and Natural History Survey

Bismuth

Bismuth crystal cluster on quartz. Waterloo Quarry, Dodge County, Wisconsin. Field of view is 0.5 mm across. (Specimen and photo by Dan Behnke.)

Formula: Bi Hexagonal

Description:

Bismuth crystal cluster on quartz. Waterloo Quarry, Dodge County, Wisconsin. SEM image from the University of New Orleans. (Photo by Tom Buchholz.)

Bismuth is a silvery metallic mineral that occurs rarely in high temperature hydrothermal deposits, quartz veins and pegmatites.

DODGE COUNTY: Bismuth occurs as very tiny masses and crystals associated with other bismuth-bearing minerals in vugs in pegmatite cutting quartzite in the Michels Materials Waterloo Quarry, NE sec. 33 and NW sec. 34 T.9N. R.13E. (Buchholz et al., 2007b).