These Are The World's Most Eye-Wateringly Expensive Materials
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Saffron: £10 per gram 
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Platinum: £23 per gram More under this ad
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Gold: £31 per gram 
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Pure methamphetamine: £60 per gram More under this ad
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Rhinoceros horn: £70 per gram 
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Rhodium: £150 per gram More under this ad
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Plutonium: £2,763 per gram 
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Painite: £6,635 per gram More under this ad
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Taaffeite: £14,746 per gram 
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Tritium: £22,119 per gram More under this ad
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Pure diamond: £40,550 per gram 
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Red diamond: £4.4M per gram More under this ad
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Californium: £18.43M per gram 
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Antimatter: £44.24T (!!!) per gram More under this ad
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