Is green obsidian man made?

Related questions

1. Is Obsidian radioactive?
2. Does Obsidian have healing powers?
3. What is green obsidian good for?
4. What's the difference between Onyx and Obsidian?
5. Does Obsidian break easily?
6. What is obsidian made of?
7. What can break obsidian in real life?
8. How can you tell the difference between black tourmaline and Obsidian?
9. Is Obsidian a semi precious stone?
10. What is green obsidian used for?

Tags

1. #glass
2. #helen
3. #stones
4. #often
5. #eruption
6. #transparent
7. #marketed
8. #green
9. #volcanic
10. #along
11. #additives
12. #create
13. #mount
14. #found
15. #these
16. #obsidian
17. #coloring
18. #natural
19. #another
20. #tourists
21. #jewelry