Unverified84% confidenceDecision RuleTime unknown
二手镀金/包金配饰重点看边角磨损：镀金层磨掉后露出底色发暗的铜绿或银灰即不可逆，K金实心款仅氧化可抛光恢复，购买前要求拍摄搭扣、链头等高摩擦部位
1
Sources
84%
Confidence
Long-term
Relevance
-
First Seen
Sources
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Unverified银饰、镀银首饰不宜挂在裸露金属架上长期接触，金属间接触加速氧化发黑；银饰应选木质或带绒布/植绒表面的挂架85% similarUnverified扣头材质选择：黄铜或不锈钢电镀优于合金压铸，合金扣头电镀层磨损后易露出发黑底材，且掉落易碎裂84% similarUnverified金属挂架若挂钩表面为普通电镀而非哑光喷涂或树脂包胶，长期悬挂会加速银饰氧化发黑并磨损镀金层，贵重首饰应选木质或包胶挂钩84% similarUnverified镀玫瑰金或镀金款长期佩戴会褪色露出银底，介意褪色的应选纯银本色款83% similarUnverified二手金属配饰（项链/手链）辨真伪看内侧钢印与含金量标识（如750/585/925），真品钢印边缘清晰不糊，925银氧化后呈灰黑色可抛光，若为镀层氧化则会露出黄铜底色无法恢复83% similar
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