| Country of Origin | United States |
|---|
Check the listing for details. Leelanau Blue Slag, Huge!. Condition: New, Made in United States. Listed at 77.50 USD. Leelanau Blue (or Leland Blue) slag is a unique, man-made glass-like material found on Lake Michigan beaches near Leland, Michigan, resulting from historic iron ore smelting; it's sought-after for its distinctive blue colors and glassy, often pitted texture, and is used in jewelry as a piece of Michigan's industrial heritage, formed from furnace waste dumped into the lake over a century ago.
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