Ulverud, Eda, Värmland County, Sweden

A blue corundum crystal on a matrix of anorthosite. The surface of the crystal is partially converted to margarite. I found this specimen in 2000 near Bondetorp. Crystal diameter 4,5 - 5 cm. Thickness 2,5 cm. Photo & Collection: Egil Hollund

A sawn crystal of corundum Collection & photo: Conny Larsson

Bluish crystal of Corundum on matrix with greenish-yellow Margarite Collection & photo: Conny Larsson

A sawn crystal of corundum, partially altered to margarite Collection & photo: Conny Larsson