Is Obsidian dangerous?

Related questions

1. Is Obsidian good luck?
2. Why is obsidian important?
3. What is the difference between jet and obsidian?
4. Does Obsidian break easily?
5. How can you tell the difference between Onyx and Obsidian?
6. What can break obsidian in real life?
7. What's the difference between Onyx and Obsidian?
8. Where is Onyx found?
9. Can you break obsidian in real life?
10. How do you shape obsidian?

Tags

1. #glass
2. #maesters
3. #naturally
4. #obsidian
5. #dragonglass
6. #extrusive
7. #formed
8. #occurring
9. #extremely
10. #books
11. #dangerous
12. #refer
13. #igneous
14. #martin
15. #however
16. #volcanic