Carnelian is a great crystal for cleansing other crystals. 
 
Simply place it in a bag with all your other tumblestones and you will never need to cleanse them by any other method.
 
Carnelian is also a great grounding crystal.  it stabilises and yet still has a high vibration and energy which is great for restoring motivation and creativity. 
 
Healing properties of this crystal include stimulating the metabolism - great for weight loss, and increasing fertility.
 
Stones sold individually and weigh approx 10-30g
Colours may vary