Is Obsidian always black?

Related questions

1. Does Obsidian have healing powers?
2. Is Obsidian the sharpest known material?
3. How much is obsidian cost?
4. Where is Onyx found?
5. Is Onyx a precious stone?
6. Can Obsidian cut through cells?
7. Is Obsidian radioactive?
8. Is Obsidian a gem?
9. What is obsidian used for in Ark?
10. Can you polish Obsidian?

Tags

1. #mineral
2. #minute
3. #glass
4. #basalt
5. #stuff
6. #crystals
7. #oxide
8. #black
9. #desert
10. #weathered
11. #hematite
12. #obsidian
13. #usually
14. #feldspar
15. #caused
16. #color
17. #inclusions
18. #gives