The Witcher's Medallion

The Witcher's Medallion trivia questions

1. What does the Witcher's medallion represent?
2. What shape is Geralt's medallion in the Witcher series?
3. What does the medallion do when a magical creature is near?
4. Which Witcher school does Geralt's medallion represent?
5. What material is the Witcher's medallion made of?
6. In the Witcher series, who gave Geralt his medallion?
7. What happens to the medallion when Geralt is in danger?
8. In the Witcher series, who else besides Geralt has a similar medallion?
9. What does the medallion do when it comes into contact with a spell?
10. In the Witcher series, can the medallion detect all types of monsters?