Maintenance jewelry in addition to the above general principles but for some jewelry for different Gem Different character, so in the maintenance of some special requirements and precautions are introduced respectively as follows:
(1) Diamond , Ruby, sapphire, tourmaline, topaz (or topaz) and other gemstones. These stones texture hard, can withstand greater pressure, but they also share common disadvantages?? With brittle, for diamond and topaz is also a cleavage, so these stones could not stand beat, hit, or because of a brittle The avalanche, or a cleavage and cracks along the cleavage direction, and even fragmentation. Remember, even if the maximum hardness of diamonds, can not withstand the impact.
(2) Jade Jewelry. Although Jade are hard and with toughness, a certain degree of shock resistance. However, after the emerald processed products, often thin, also damaged by the impact.
(3) emerald jewelry. Slightly larger than the hardness of emerald jade, but jade to be more than crisp, so more than that can not withstand the impact and beat Jade. In addition, the emerald afraid of heat, fire will fade the color, easy to burst under high temperature.
(4) opal jewelry. Lower hardness of opal, avoid friction with other items. Opal contains water, should avoid high temperature, or loss of points due to evaporation, the range from loss of transparency, heavy burst occurs. In addition, the opal is not acid, so Pei Daiou should avoid high temperature and jewelry park acids. Collection Opal jewelry should also pay attention to the environment can not be too dry, otherwise cracks will cause dehydration and even rupture. To prevent dehydration, in the dry season, some time should be separated Opal jewelry on time.
(5) Amethyst Jewelry. Amethyst the color of instability, when the temperature or prolonged exposure may cause discoloration. Wearing or collection process, high temperature or exposure should be avoided.
(6) malachite and turquoise jewelry. Both gemstones are harder than the water, very easy to wear. Both the chemical nature of the instability, the event will be affected by corrosion of acid dissolution. Tesco turquoise color at high temperatures, and even longer exposure, and by the sweat soaking will make the color turquoise. These are in the process of wear and collection must be noted.
(7) Pearl And coral jewelry. Very low hardness of pearl and coral, vulnerable to friction Ershi Table Surface dull. Both elements are Calcium carbonate , The event will be subject to corrosion of acid dissolution. Easy summer sweat, sweat also make pearls, coral damage and loss of the original surface gloss. The powder cosmetics, perfume and hair cream, etc., also make pearl diminishing. Therefore, the summer's best not to wear such jewelry. If after the perspiration stain, may be placed on clean water rinse, and then soft fabric gently dry. Pearl jewelry in the collection before, be sure to read the clear water rinse, the Department must also be kept away from cosmetics.
(8) Green Gold Stone jewelry. Lapis lazuli jewelry tarnished after the soak and rinse water must not. Because lapis lazuli is composed of a variety of granular mineral aggregates, water immersion and washing if, precious stones to the inside surface of the dirt penetration, which will change the lapis lazuli original glory. Lapis lazuli jewelry tarnished, the available moisture Cloth Gently
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