There are many different agates. This is a very common one. Green blue and very pretty, it helps with stress. It helps with relieving family and romantic bitterness. When you feel overwhelmed, constricted by responsibilities this stone is useful. Walking with it in your pocket helps you connect with nature.
In Ancient times, 4 elements were considered crucial to life. Moss Agate was considered a Earth stone believed to give strength to warriors in battle. This stone gives courage in helping you stay the course despite temptations to do otherwise in this day and age.
This stone helps you start new relationships if you tend to come across as pushy or aggressive. Giving it to your teenager, might help them to say No. It promotes good gardening, freedom, space and expansion. Relieves neck, back problems, and exhaustion.