Larimar is a stone for aligning you with the energy of soulmates, both romantic and platonic. It is a stone of the throat chakra, and helps you to unleash the voice of your deepest wisdom. It is also a water stone, and is very soothing.
Opal is also a water stone, and while it can be very soothing, can also stimulate romantic feelings, can make us more desirous, and more seductive. It supports us in forming meaningful companionship, and having healthy communication.
It helps us to be optimistic and in love with life. It encourages acceptance and appreciation of ourselves and others, just as we are.