How do you clean Obsidian?

Related questions

1. What is black obsidian good for?
2. How can you tell the difference between black tourmaline and Obsidian?
3. What type of rock is obsidian?
4. Is green obsidian rare?
5. Does Obsidian break easily?
6. What is Onyx worth?
7. Can you sharpen Obsidian?
8. Why is obsidian so sharp?
9. Is Obsidian a gem?
10. How do you clean black obsidian?

Tags

1. #scale
2. #durable
3. #material
4. #obsidian
5. #cleaning
6. #softer
7. #hardness
8. #although
9. #which
10. #rinse
11. #quartz
12. #remove
13. #jewelry
14. #soapy
15. #residue
16. #simply
17. #cloth
18. #water
19. #clean
20. #gemstone