Yes, it does matter on which hand you wear your crystal bracelets, it depends on your intention. Wear your crystal bracelets on your left wrist if you want to absorb the crystal's energy into your aura. We recommend wearing the crystal bracelet on your right wrist when you want to remove negative energies or manifest specific positive energies that resonate with your crystal.
For example, if you want to wear a Rose Quartz bracelet, you have two options. Whether you wish to absorb the energy of the crystal into your aura and you wear the bracelet on your left wrist, whether you want to manifest and radiate more love, compassion, kindness, then you'll wear the bracelet on your right wrist.
In the oriental spiritual traditions - Taoism, Tantrism, Hatha Yoga - the left side of human beings is the feminine, receptive side where we attract and receive energies.
Wear your gemstone bracelet on the left wrist:
The right side is the masculine, yang side of the being. It is the active, manifesting side.
We recommend you to wear your crystal bracelet on your right wrist when you need the crystal's energy to:
You can also work to balance the yin and yang energies. Do this by wearing your crystal bracelets on your left wrist for a period to absorb, accumulate and become familiarized with the crystal's energy. After a while, cleanse the bracelet and wear it on your right wrist to help you control and emit those energies.