IN A COIN
- The nickel ( 5 cent ) nickel-zinc, the quarter ( 25 cent ) the same.
https://www.google.es/url?
FOR THE JEWELLERY
- You can find in the jewellery but it is't recomendable because is toxic.
- However, the use of a jewel nickel plated (typical trinkets) it self can present a serius risk os allergy or infection , but both casesare rare.
TO DO WHITE GOLD
This metal is the better economic option to do white gold, the nickel is a white metal matt huen and soft touch, this metal have more capacity to whiten other metals
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