这种“黄金”，别乱买！

Core Viewpoint - The rise in gold prices has led to the popularity of "sand gold jewelry," which resembles gold but is sold at much lower prices, raising questions about its authenticity and quality [1][2]. Group 1: Market Trends - "Sand gold jewelry" has gained traction on various online platforms, with claims that these products are sourced from Vietnam and Myanmar, featuring similar colors to gold and being resistant to fading [2]. - Retail prices for these "sand gold" items are significantly lower than actual gold, often ranging from a few hundred yuan [2]. Group 2: Product Composition - The term "sand gold" refers to gold-containing minerals, but many products marketed as such are actually low-cost brass or copper-nickel alloys, misleading consumers [7][9]. - The production cost of these items is extremely low, with some pieces costing around 10 yuan to produce but sold for hundreds online [9]. Group 3: Health Risks - Long-term use of these jewelry items can lead to health issues, particularly due to nickel release, which can cause allergic reactions and skin conditions [10][9]. - The risk of metal allergies is highlighted, with nickel being a common allergen that can lead to contact dermatitis [10]. Group 4: Consumer Awareness - Consumers are advised on how to distinguish real gold from fake alternatives through visual inspection, weight, and sound [11][12][13]. - The market also sees a rise in dyed gemstones, which may contain harmful substances, further complicating consumer choices [15].