Place the stone for a few minutes in warm soapy water solution. Close the drain hole plug or strainer to stone accidentally washed into the sewer. A soft brush or brush to remove dirt, putting stone under running water. Wipe clean with a soft cloth. This method of treatment for these stones, opal, ruby, apatite, moonstone, Dory, malachite, lapis lazuli and beryl.
Add in soapy water dissolved in ½ cup water teaspoon of ammonia to remove dirt from the sapphire, alexandrite and ruby. Remove greasy with pearls, gently wiping it with potato starch. Corals Clean only with a damp flannel cloth. Turquoise wash in clean water or a weak solution of alcohol.
Prepare a solution of any detergent to bring back the shine beryl, quartz, topaz, diamond, aquamarine, sapphire and emerald. Rub the stone with a soft brush and rinse it with distilled water. Similarly, you can also clear the gems framed in platinum or gold. Instead detergent can use a solution consisting of 50 g of bleach, 30 g of salt and 100 g of baking soda filled ½ liter of water.
Remove any dirt that has accumulated under the stone, wiping it with a match, which screwed a piece of cotton wool soaked in a solution of magnesium and ammonia or glycerol.
Take advantage of ultrasonic cleaning, if you still can not remove the dirt from the stone. With the help of ultrasound can be cleaned sapphires, diamonds, rubies, citrine, garnet, tourmaline, amethyst and rock crystal.