Purity & inner peace
Manifest your deepest wishes
Guard against negative energy
Balance the mind, body, & spirit
Persistence through difficult times
Enhances psychic abilities 
Past life recall
Crystals are natural so allow for imperfections which may include growth marks, surface scratches, rainbow inclusions, fairy frost, key imprints, cloudy inclusions, natural fractures which are formed inside during the process of growth
that the crystals are natural, they will come in different shapes and sizes.