Swedish Blue Slag, as the name suggest is from Swedish, it is bi-product of Iron. This comes in various Shades of Blues, Mineral composition is like glass or Silica.
Hardness
Country of origin
Size and shape
Price
6 to 7
Sweden
various sizes and shape available
$20 each
Fast Wordlwide delivery
We ship in United States and Worldwide
United States Support Center
We are available throughout the business day eastern time zone
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