The necklace faded. What happened?

There are two possibilities, one is a gold-plated necklace, and the other is a sand gold necklace.

1, gold-plated necklace, refers to the gold-plated treatment on the surface of gold jewelry. Its significance is to improve the brightness and color of jewelry, but it fades after a long time.

2. Placer gold is produced at the bottom of the river or in low-lying areas, mixed with sand, and gold is seen after elutriation. The characteristics of placer gold are: the color varies with the fineness, more than 90% is red and yellow, eight is light yellow and seven is cyan yellow.

3. The popular placer gold jewelry, submarine gold jewelry, molten gold jewelry and local gold jewelry in recent two years are all gold-plated jewelry. The difference is that the blank is made of different materials, but one thing is the same, that is, it will fade with time.

Extended data:

Use of velveteen gold

1, velvet gold is suitable for birthday greetings, wedding gifts, Spring Festival gifts, religious gifts, company opening gifts, housewarming gifts, business gifts, collectibles, car ornaments, cultural works of art, gifts, etc., but it is not suitable for making personal ornaments.

2. The products involve animals, building models, figures, religions and other traditional auspicious shapes in China. They are exquisite and unique, exquisite in craftsmanship, clear in patterns, elegant and noble, and combine the respect for gold and cultural implications.

3. The velvet gold on the product surface is fine and shiny. After polishing, the detail color is more golden, and the product expression is extremely rich. At the same time, it plays a beautification role in family decoration, and it is the product of Fengshui Town House.

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