The most valuable substances in the world by weight

(The Daily Telegraph)

Most valuable substances in the world by weight 1. Saffron 2. Beluga caviar 3. Platinum 4. Gold 5. Heroin 6. Rhinoceros horn 7. White truffle 8. Animal venom 9. Lysergic acid diethylamide 10. Plutonium 11. Soliris (registered trademark) 12. Tritium 13. A pink diamond 14. A rare British Guiana One-Cent Magenta postage stamp 15. Californium 16. Antimatter

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1. Spice from Iran 2. Sturgeon eggs 3. Rare metal 4. Latin name is aurum 5. "Brown sugar" 6. Aphrodisiac 7. Tuber magnatum 8. Sting, viper/snake bite 9. Mr Hofman made it - it heavily impaired/stoned him 10. Unhealthful fissile material 11. Monoclonal antibody drug - ought to kill cancer 12. "Heavy" tritiated water 13. Carbon 14. Initialled E.D.W. 15. Cf 16. Positrons

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