How to identify gold, is this gold nugget A lot of gold is in the river. Gems, diamonds 金子钻石宝石

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Pearls, agate, sea glass, precious stones. Hunting by the sea every day. 珍珠开蚌寻找珍珠开珍珠 How to identify gold, is this gold nugget A lot of gold is in the river. Gems, diamonds

How to identify gold, is this gold nugget A lot of gold is in the river. Gems, diamonds 金子 钻石 宝石

How to identify gold, is this gold nugget A lot of gold is in the river. Gems, diamonds 金子钻石宝石