Dreikanter

![Unusually large dreikanter of granite, Sweetwater County, Wyoming. This dreikanter measures 71 cm by 46 cm deep and 37 cm wide. Photo by Bradley, W.H., USGS (1930).[5]](/uploads/202501/10/Bradley_1930_dreikanter3540.jpg)
A Dreikanter is a type of ventifact that typically forms in desert or periglacial environments due to the abrasive action of blowing sand.
Dreikanters exhibit a characteristic three-faced pyramidal shape. The word Dreikanter is a German word meaning "three-edged."