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At a premium: World's most expensive materials

Photos Logo Photos | Slide 1 of 25: World's most expensive materials

Certain things on this planet are worth more than their weight in gold—literally. And these range from facial crème to scorpion venom, from Beluga caviar to antimatter, and more. Click through to know some of the world's most expensive substances by weight and what makes them so pricey.

*The prices are as on September 2014 and are in USD.

© ENRIQUE DE LA OSA/Newscom/Reuters; FAYAZ KABLI/Newscom/Reuters; Richard Leeney/Getty Images; (c) Joc...
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