Nordic gold
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In the Vinony graph
Vinony's link graph records 38 inbound references to Nordic gold, and connects out to Swedish krona, copper-based alloy and United States.
Vinony files it under Coinage metals and alloys, Copper alloys and Eurozone.
Vinony links it to 34 Wikipedia language editions.
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Encyclopedic overview
50 euro cent coin made out of Nordic gold. Nordic gold (Swedish: nordiskt guld) is a golden-coloured copper alloy which is used primarily to mint coins. It contains no gold despite the name, and is a type of aluminium bronze made with copper, aluminium, zinc, and tin. It was originally developed in Finland for Swedish coinage to be golden-coloured, tarnish-resistant, malleable, durable over time, and hypoallergenic. It was later and more notably used in some Euro coins, as well as other countries, and has been researched for other purposes.
History
Excerpted from Wikipedia’s “Nordic gold” article, available under the CC BY-SA 4.0 licence.