What is the difference between a sapphire and a blue sapphire?

Related questions

1. Can I wear blue sapphire in left hand?
2. What a sapphire means?
3. Which metal is best for blue sapphire?
4. Is sapphire glass the same as sapphire crystal?
5. What does a sapphire engagement ring mean?
6. Are sapphires common?
7. Are dark sapphires better?
8. What are the benefits of blue sapphire?
9. How can I tell if my sapphire is real?
10. Can I wear blue sapphire in silver?

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1. #oxide
2. #composed
3. #color
4. #entirely
5. #diamonds
6. #traces
7. #chemical
8. #aluminum
9. #differences
10. #makeups
11. #carbon
12. #significant
13. #diamond
14. #sapphires
15. #titanium
16. #corundum
17. #other
18. #their
19. #between
20. #responsible