Carnelian is an energy booster. It helps the insecure person to find strength within them so they can come into their own, often people with depression find themselves with no energy, so this is a great choice crystal for the combination.
Rose quartz It carries a soft feminine energy of compassion and peace, tenderness and healing, nourishment and comfort. It speaks directly to the Heart Chakra, dissolving emotional wounds, fears and resentments, and circulates a Divine loving energy throughout the entire aura.
Jet can be helpful for those experiencing an overabundance of negative energies or emotions, helps to control mood swings to create a calming effect, often people with depression can experience unreasonable fears which can be life limiting, jet is know to help with this.