Blue iron slag from Sweden
Swedish blue slag is a stone from the small village of Ängelsberg in Sweden. This village was founded in 1681 and was home to the most modern iron production plants between 1700 and 1800. The region has been known for its iron smelting since the 13th century, but the arrival of the factories has made it possible to increase production significantly.
Unique blue colour
The iron from Ängelsberg was known as top quality in the modern world. However, the unique method of production gave yet another special by-product: Swedish blue slag. These remains of the iron production have a beautiful and unique blue color. These stones are tumbled and polished.
Working of Swedish blue slag
These stones can help to put things in perspective. To understand other dissenting opinions and accept different views.