blue sky jewelry wholesale I have a gold necklace! I was broken by me! I burned it with a lighter and then the color changed a lot

wholesale turquoise jewelry sets for sale 1. The flame temperature of the lighter should not burn gold. Unless it is a very thin gold film, pure gold will become red when the high temperature is burned. Then recover gold colors after cooling.
2, 24K gold will never change color after the fire is overdone, but it will only show the unique color of gold. The gold content of more than 99%is sufficient gold. Now there are thousands of gold on the market, and some thousands of gold jewelry.
18k gold, also known as AU750, commonly known as lottery, the main ingredient is 75%gold plus 25%zinc, cricket, nickel and other metals. Purple. After the fire is burned, it will hair black after welding, mainly because other ingredients are oxidized. After burning red, 1: 3 hydrochloric acid solution will restore the primary color. The luster of the original cargo will restore the original color after re -plating

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