From: Hålsjöberg, Torsby, Värmland, Sweden.
 
 
Sample with 4,0 x 3,0 x 2,5cm and 40 grams with a mixture of Scorzalite (dark blue), Berlinite (transparent) and Trolleite (light blue).
 
 
The town of Hålsjöberg in Sweden is world-famous for the geological association between the phosphate minerals Trolleite (light green to light blue) and Scorzalite (dark blue due to its striking color contrast).