Changing America: The Emancipation Proclamation, 1863, and the March on Washington, 1963. The Impact and Legacy of the Emancipation Proclamation. The Emancipation Proclamation committed the nation to ending slavery.
Place silver on top, then cover with boiling water. Add  3 tablespoons of baking soda. Soak for 10 minutes, rinse and dry.   An effective, but safe way to clean gold and diamond jewelry is to  soak the items in a solution of very warm water with a small amount  of ammonia added.Soak for about 10 - 15 minutes, then gently scrub  the jewelry with an old toothbrush, then rinse well.dd  3 tablespoons of baking soda. Soak for 10 minutes, rinse and dry.   An effective, but safe way to clean gold and diamond jewelry is to  soak the items in a solution of very warm water with a small amount  of ammonia added.
Colored diamonds also should not be put in ultrasonic cleaners. Most diamonds of this type have been treated with heat to enhance their color, and ultrasonic cleaning can undo this effect, making these stonesâ hues less vivid.Related: Check out this jewelry cleaning solution, which can be used in an ultrasonic cleaner.enerally, the more brittle the stone, the more likely it is to be damaged in an ultrasonic cleaner. Emerald, onyx, opal, tanzanite, lapis lazuli and turquoise are all examples of stones that shouldnât be cleaned with ultrasonic devices. These gemstones can be easily damaged in the cleaner.