Calcite - amplifies energy, boosting creativity and memory, overcoming fear and increasing joy. Specific colours have particular properties: Green to soothe the heart chakra and reduce anxiety; orange to uplift the spirit and bring joy; pink for giving and receiving love; yellow for enhancing intuition; and golden for use in times of transition. Calcite is useful for aiding the kidneys, pancreas and spleen, and for decalcification. Green calcite fights infections, yellow strengthens the spine and bones, whilst blue combats back pain. Chakras: Calcite clears and activates all chakras, and particular colours can be matched to the appropriate chakra.