What incident in Lantern yard changes Silas's Life?

The incident that changes Silas's life in Lantern Yard occurs when he is falsely accused of theft after his gold is stolen. This betrayal by his best friend, who is actually the real thief, leads to Silas being ostracized from his community and ultimately leaves him feeling isolated and mistrustful of others. Consequently, he moves to the village of Raveloe, where he begins a new life away from his past. This pivotal moment sets the stage for his transformation and the development of his character throughout George Eliot's "Silas Marner."