重金属超标！这些「大金镯子」别再买了！

Group 1 - The popularity of "sand gold" jewelry has surged this year as consumers seek affordable alternatives to gold due to rising gold prices [1][4] - "Sand gold" is marketed as a product that resembles gold and is claimed to be durable and fire-resistant, with prices ranging from a few hundred yuan [1][3] - Many merchants use misleading names for "sand gold" products, creating confusion with established brands [3] Group 2 - "Sand gold" is derived from weathered gold-bearing rocks mixed with sand, typically containing about 5% gold, but many sellers are vague about the actual material composition [4][5] - Most "sand gold" jewelry is made from brass with a thin layer of gold plating, which can wear off over time [7][10] - The production cost of these brass-plated items is around 10 yuan, but they are sold for significantly higher prices in markets and online [10] Group 3 - Long-term wear of "sand gold" jewelry can lead to skin allergies due to the release of nickel from the underlying alloy, which exceeds national safety standards [11][13] - Legal experts indicate that merchants engaging in false advertising or selling substandard products could face severe penalties under Chinese law [15]