Mookaite Jasper is a great stone to use to help balance the lower chakras to help with the energy of strength, balance, stability and willpower.
 
It helps to ground energy during the transition of decision making and helps free low vibrational energy. It has both an Earthy and fiery element, simultaneously grounding and energy inducing
 
Each piece as sold individually is approximately 3cm by 1cm, and come in various shapes