6mm beads 

Heart Chakra
White Jade can help one feel calm and peaceful.  It can also help purify the energies of your heart.

Heart, Throat, Solar Plexus Chakras
Flower Ocean Jasper is said to promote the alignment of the Heart, Throat and Solar Plexus chakras.  Enables one to combine their will with their emotions.  Aids in communication, understanding and personal power.