千万别买这类首饰！出厂价仅10元，镍释放量超标上千倍……

Core Viewpoint - The rise of "sand gold" jewelry, which resembles gold but is much cheaper, has gained popularity among consumers as an alternative to gold due to the continuous increase in gold prices this year [1] Group 1: Market Overview - "Sand gold" jewelry is primarily sourced from Vietnam and Myanmar, marketed as having the same color and durability as gold, with prices ranging from a few hundred yuan [1] - Many merchants use creative naming strategies to market "sand gold," with names similar to well-known brands [3] Group 2: Material Composition - "Sand gold" is derived from weathered gold-bearing rocks mixed with sand, containing about 5% gold [3] - Most merchants are vague about the actual material composition of "sand gold" jewelry, often avoiding questions about whether it contains gold [4] Group 3: Pricing and Value - The production cost of these brass-plated gold jewelry items is around 10 yuan, but they are sold for approximately 40 yuan at night markets and over a hundred yuan online [9] - The term "sand gold" creates an impression of a natural gold byproduct, but most products on the market are unrelated to gold [9] Group 4: Health Concerns - Testing revealed that many "sand gold" items are made from copper-nickel alloys, which can release nickel when the thin gold plating wears off [10] - Some tested items exceeded the national standard for nickel release by thousands of times, posing potential health risks for consumers [12] Group 5: Legal Implications - Legal experts indicate that merchants engaging in false advertising regarding "sand gold" may face penalties under Chinese law if they misrepresent their products [14]