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This week we saw another gold counterfeit scandal, this time out of New York, with tungsten-filled gold bars being discovered by a highly reputable dealer. It is very hard to detect tungsten fakes by traditional measures, since tungsten (atomic number 74) has a high density, which is 19.3 times that of water, and comparable to that of ...
With negotiations between Democrats and Republicans in the US Congress on raising the country’s debt ceiling still unresolved, President Obama has again warned of another financial crisis unless an agreement to raise the ceiling is reached. Federal Reserve chief Ben Bernanke has also spoken of a disastrous loss of confidence in the ...
Concern is spreading among Vietnam’s jewellery traders, following an increasing number of cases in which merchants purchased gold bars mixed with tungsten or other hard metals. Many have also voiced concerns about the quality of jewellery, though owing to merchants’ unwillingness to disclose details about sellers, information ...
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