Fight with low hardness
Pearl, coral, golden, malachite, calcite, Zi gem, fluorite, hair precious stone, etc. Such fight is simpler to scratch or contact the break, so utilize a delicate material after use, dry, sub-bundles, in order to keep away from impact, and ought to abstain from utilizing salt degaussing, so as not to make it dull the surface.
Delicate fight
Jewel, Beryl, purple lithium pyroxene, olivine, opal, topaz, tourmaline, and so forth Such pearls' hardness is high, however it has its own regular breaks and weakness experienced impacts would handily broken, so to stay away from the crash.
Dad UV light of gemstones
Amethyst, citrine, purple spodumene, topaz, turquoise, Rhodochrosite, etc. After UV illumination of these pearls, it will marginally blurred and dull, in this manner, ought to stay away from delayed openness by bright light.
Scared of calcium stones
Pearls, turquoise, golden, malachite, opal, precious stone, etc Zi. Such jewels of sweat, and beauty care products are more delicate, it isn't in direct contact with a delicate fabric after the use of sub-damp Magan Jing.
Heat bigotry pearl
Pearls, emeralds, turquoise, coral, golden, opal, etc. Heat for these jewels is negative, simple to break, and consequently ought not be put close to high-temperature nearby and long openness in the sun. Read more info here bbo crystal