New York futures for gold, copper tumble on WSJ tariff report
Premiums for gold traded on the US-based Comex over the London spot market halved following the news report, to around $20 an ounce.
Incredible work goes into retrieving diamonds before they arrive in your local store.
They originated from kimberlite pipes. The last kimberlite eruption occurred over 25 million years ago. Alluvial mining is a less common method for mining diamonds. Rather pipe mining is a more popular and efficient. The differences between the two are interesting.
