Agate is a great support for meditation and is a powerful healing stone. It has a grounding effect and thus lessens feelings of jealousy, envy, fear and stress. It promotes physical and mental strength and stability. It is also a good stone for protection. The string of beads is mainly used to count repeated mantras. 
 
The Mala with 108 beads is used while reciting or singing the mantras. 108 is the ideal number for all kinds of purposes. It is important that our thoughts will be pure while reciting a mantra.