Each ring carries a specific crystal.
Option 1: Moss Agate, Size 8 1/2.
Option 2: Jasper, Size 9.
Option 3: Rutile, Size 7 1/2.
Option 4: Strawberry Quartz, Size 8 1/2.
Option 5: Aura Quartz, Size 8 1/2.
Option 6: Rutile, Size 7.
Option 7: Labradorite, Size 7.
Option 8: Snowflake Obsidian, Size 7 1/2.
Option 9: Lepidolite, Size 9.
Option 10: Lapis Lazuli, Size 7.
Option 11: Green Tourmaline, Size 8.
Option 12: Lepidolite, Size 7.