Rose Quartz Crystal Heart and Chalcedony Bloodstone Crystal Heart Pendants.  
A heart-shape represents love, friendship and an open-hearted attitude, which heightens the metaphysical effects of the stone.
These stones emit loving vibes in combination with the properties of the particular mineral out of which they are formed.  Rose Quartz, the stone of unconditional love. 
This crystal supports the feminine.  
Bloodstone is a root chakra stone,  realigns the lower chakras with the heart chakra.