Harvest Moon: Friends of Mineral Town Tips

Info on Jewel of Truth
I found a Jewel of Truth at Summer 29 at Mary's Library on 10:00 AM, then found another one at the Lamp post between the Church and the Lamp post near Rose Square, then another at your dog's house and at the water from the stable, you need to wait until Winter comes for the Jewel of Truth at the back of the Lake mine, and the and the 4 most hard to get is from Won and the Horse Race especially from the Mountain Cottage calendar.