Fine crystals have been obtained from Caldbeck Fells in Cumbria, Zinnwald/Cínovec and Elbogen in Bohemia, Guttannen in Switzerland, the Riesengebirge in Silesia, Dragoon Mountains in Arizona and elsewhere.
Scheelite, the mineral calcium tungstate, often contains a small amount of molybdate.
Close to its discovery grounds, it commonly occurs in Uludag, Turkey, around a metamorphic scheelite deposit near Bursa.