Walk on Earth A stranger by Rae Carson

Euc book 1 of trilogy When there's gold to be had, you can't trust anyone. Not a single soul. Pee Westfall has a strong, loving family, a home she loves, and a loyal steed. She has a best friend . .. who may want to be something more. She also has a secret. Lee can sense gold in the world around her. Veins deep in the earth. Small nuggets in a stream. Even gold dust caught underneath a fingernail. What would someone do to control a girl with that kind of power? A person might murder for it. When everything Lee holds dear is ripped away, she flees west to California, where gold has just been discovered. Perhaps this will be the one place a magical girl can be herself. If she survives the journey. The first book in the Gold Seer trilogy, from Rae Carson, author of the award-winning and New York Times bestselling Girl of Fire and Thorns series.