Pyrite Sun disk from Sparta, Illinois.
Formed in the shale rock above the Illinois coal seams, these pyrite crystals grown in a circular pattern unique to Illinois. Approx 350 million years old. Unusual and similar pattern is usually found on the back of the disk.
- From an old collection - 1950-1990s and it is still bright and shiny!
- Disk comes with stand.
- Small Cabinet. 3.25" diameter (8.5 cm dia).
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