Is sapphire glass the same as sapphire crystal?

Related questions

1. What is the best color for Sapphire?
2. What does the color sapphire blue mean?
3. What are the benefits of blue sapphire?
4. What is the difference between a sapphire and a blue sapphire?
5. Are sapphires worth more than diamonds?
6. What does a sapphire engagement ring mean?
7. What a sapphire means?
8. Are blue sapphires cheaper than diamonds?
9. Can Sapphire be worn by anyone?
10. What color sapphire is the most expensive?

Tags

1. #crystal
2. #thing
3. #properties
4. #sapphire
5. #glass
6. #those
7. #reference
8. #hardness
9. #things
10. #scratch
11. #clarity
12. #scale