Oxidize Silver With Eggs

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You can use the sulfur in eggs to darken silver

Supplies: Egg, silver pieces, zip lock bag (or tupperwear)
Hard boil an egg (about 15 minutes). You must complete the rest of the steps directly after the egg is boiled.
Cut the egg in half, remove the yolk and place the yolk in a ziplock bag.
Break the egg yolk up in the bag.
Wash silver pieces, lightly wrap them in a piece of paper towel and place them in the bag.
You could also place the silver directly into the egg. This will make the reaction happen faster but the color may end up uneven.
Place the bag aside for 24 hours and then check to see if the silver is dark enough. If it is not, leave it for another day or 2.
When the silver is the desired color, remove it from the bag, rinse with soap and water and buff.