Aventurine increases confidence, motivation, leadership, decision making, and helps with speed and fast reactions.
Green Aventurine protects and heals the heart. It assists with removing "hooks" from past relationships
 
Hexagonal shaped crystals are used for protection and cleansing. It symbolizes strength, protection, and helps balance opposing forces. 
It can Also be used as a pendulum. Which assists with finding answers in a ritual called pendulum dowsing.