What is Cubic Zirconia Gems

You may use an ultrasonic jewellery cleaner to clean cubic zirconia, but consider the setting materials before you drop it in the tank and turn it on. Using dishwashing detergent and a very soft brush may be all that's needed to remove film from the green CZ and restore its fire. If the CZ was made of silver or plated metal, try a less aggressive method to clean it. For all jewellery, it is important to store cubic zirconia jewellery separately from gemstones based on their Mohs hardness rating. This allows the stones to avoid scratching each other.

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