ust as a dappled forest may bring calmness, so it's said tree agate brings a sense of peace and inner tranquility to wearers. This gemstone helps individuals look inside for self-examination, which also may result in a calm demeanor. Agate in general is said to be a stone that promotes inner stability, making tree agate an amplified version. Tree agate is also believed to boost the immune system and balance water in the body.