Agate 
Chakra: Varies by Color
Good for faithfulness in relationships & promoting natural talents. Good for sight. Helps with IBS, & varicose veins. Good for channeling, & emotional security & energy. Strengthens the aura & acts as a shield.
 
Jade  
Chakra: Heart
This is a good first stone for a child. Aids problem-solving and helps proneness to accidents, reaching dreams, goals, and ideas. Good for the skin, hair, bones, joints and hips. Good for emotional balance, confidence, and grounding. Helps negativity.