Bergslag slag ca. 41 x27mm, pendant 925-silver
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Description
Article no.: JODM108
Bergslag slag is an amorphous byproduct (glass) from Sweden’s historic iron production.
The stone measures approximately 41 x 27 mm.
Bergslag slag, or slag stone, is a byproduct of iron production in blast furnaces and smelting furnaces. It was formed when iron ore was smelted with charcoal, and the blue hue results from slow cooling, which creates a glass-like, iridescent structure. Cobalt and chromium are responsible for the blue hues.
- Suggested age groupAdult (typically teens or older)