Rainbow Flourite 
Highly protective stabilizing stone, great for grounding, inner health, memory, concentration, meditation & creativity &  staying on track.
Ideal stone for overcoming procrastination and disorganisation, giving one the motivation to complete tasks to the end.  Know to Increase self discipline and willpower & encourages one to incorporate structure and routine into their daily life. Helps one absorb new information and improves memory retention. 
Chakra - All