Dendrite Opal and Clear Quartz in a sterling silver setting. Dendrite means tree-like inclusions in the milky opal that is made up of silicates or manganese oxides. The metaphysical, dendritic opal meaning is linked to growth, both physically and spiritually. It is thought to enhance intuition and improve mental clarity. Dendritic opal meaning has been associated with multiple chakras, depending on the different colors of the base opal.