The 10 Most Expensive Crystals in the World
10. The Royal One Black Opal
9. Tanzanite
8. Arkansas Quartz
7. The Whitney Alexandrite
6. The Enigma Diamond
5. The Rockefeller Emerald
4. The Hutton-Mdivani Jadeite
3. The Sunrise Ruby
2. The De Beers Cullinan Blue Diamond
1. The CTF Pink Star Diamond