A 3,563-carat Purple Star Sapphire, dubbed the Star of Pure Land and the largest of its kind, has been unveiled in Colombo, ...
The world’s most expensive substances command their prices for very different reasons. Some, like rare gemstones, are ...
A Carthage man may have unearthed one of the rarest gemstones in the world — not in a mine, but in his own front yard. Robert Lewis Jr. says he found an unusual black rock just steps from his home ...
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