Yellow Aventurine is a spirit brightening crystal that ignites the inner fire for life, joy and vitality. It is a great crystal to use to experience the next growth in all aspects of life. It works well on Solar Plexus to strengthen courage, willpower and help one move forward in life. It is great to ignite the decisive action and manifestation of goals and move towards one's dreams. It ulocks clarity and brings out positive energy. It helps release ancestral patterns that are not serving you and make choices aligned with your inner self. 
Affirmation: I trust myself. I move forward in life with clarity, action and purpose.