Non-repeatable
- From an Ace Trainer in the building north of the Pokemon Center
- East of the northern sand pile on Relic Castle's B4F
Repeatable
- Pickup (Starting from Level 31)
- Join Avenue Antique Shop
- 5% chance from wild Solrock
- Dust clouds in caves
- Hidden Grottoes (Route 6, Route 13, Abundant Shrine; 0.25% chance)
Sun Stone (Bulbapedia)
