Is Obsidian the sharpest known material?

Related questions

1. Is Obsidian rare?
2. Can Obsidian cut through steel?
3. Does black tourmaline need cleansing?
4. What is obsidian used for in Ark?
5. Is Obsidian good luck?
6. What is Onyx worth?
7. Is Obsidian a precious stone?
8. Can you break obsidian in real life?
9. Why is obsidian so sharp?
10. Can you sharpen Obsidian?

Tags

1. #blade
2. #sharper
3. #magnification
4. #claimed
5. #since
6. #obsidian
7. #sharpest
8. #microscope
9. #steel
10. #hundred
11. #fracture
12. #cutting
13. #smooth
14. #appears
15. #still
16. #whereas
17. #under
18. #times
19. #single