Colour : Grey to black background with a multitude of opalised, super sparkly colours shimmering beneath the surface in all colours of the rainbow.
Chakra : All
Physical : Central nervous system, adrenals, pineal and pituitary glands
Spiritual : Black Opals are all about conquering fear and creating safety and trust within ourselves so that we feel safe to move in the outside World without doubts, fear or procrastination to hold us back.