Is Blue Obsidian natural?

Related questions

1. Is Obsidian a semi precious stone?
2. What is green obsidian good for?
3. Does Obsidian have healing powers?
4. How can you tell the difference between Onyx and Obsidian?
5. What is green obsidian used for?
6. Can Obsidian cut through steel?
7. How do you cleanse and charge Moonstone?
8. What is obsidian used for in Ark?
9. What is black obsidian good for?
10. Why is obsidian important?

Tags

1. #forms
2. #available
3. #volcanic
4. #freely
5. #black
6. #produce
7. #green
8. #crystals
9. #glass
10. #cooled
11. #therefore
12. #magnesium
13. #crystalline
14. #obsidian
15. #mineral
16. #quickly
17. #natural
18. #termed
19. #impurities