Beautiful blue 'Bergslagen stone' ear rings manufactured by Asp AB Gustaf, Hedemora 1971. Sweden. The stones has various shades of blue color and are originally the "leftovers" or slag which is a residual product of the iron production. This has been used in Sweden since the 18th and 19th centuries.The slag floats on top of the melt and is discharged from the blast furnace before the metal. The slag comes in all kinds of colors and structures. The color can change from light blue over clear blue and dark blue via green to black.Quite unique pair of ear rings in a very good vintage condition. Size: 1,7 cm x 1,4 cm x 1,6 cmD. Height of stone: 0,7 cmH.
"A scandinavian midcentury modern jewelry you will be able to enjoy your whole life!"
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