Description:Vesuvianite most commonly forms in metamorphosed calc-silicate rocks.OCONTO COUNTY: Vesuvianite reportedly occurs with garnet, scapolite, clinopyroxene, hornblende and plagioclase in the Waupee Formation in the Mountain area. Here it is found as a contact metamorphic mineral where the Waupee formation is adjacent to the Hagar granite (Lahr, 1972).
