Does gold turn green?

Related questions

1. Can real gold turn green?
2. Is 14k gold real?
3. Will Vermeil wear off?
4. What is a chain made of?
5. Who killed Big Pun?
6. Can you shower with gold filled jewelry?
7. What does Cuban Link mean?
8. How much is a 14k gold chain worth?
9. Which gold is better 22k or 24k?
10. Can you turn lead into gold?

Tags

1. #sterling
2. #black
3. #copper
4. #color
5. #discoloration
6. #usually
7. #acids
8. #finger
9. #about
10. #metal
11. #rings
12. #reacts
13. #especially
14. #cause
15. #silver
16. #contains
17. #green
18. #enough
19. #tarnish