The light is blue - I have fallen a long way. Clouds are flowering. Blue and mystical over the face of the stars
Though blue is often associated with clarity or purity, in Plath's poem it is just pretty cold and remote. With this in mind, we choose a Kyanite - rough and cool to touch, but it's a master of transition and clearing of negativity - a good balance for Plath.
It is an air element, typically associated with; Aries, Taurus and Libra. A great talisman for public speaking (stimulating the throat chakra) and for working on being more honest with yourself and others. These duracell bunnies don't really need much charging. In fact, they're pretty good at boosting any other crystals you have. But, they certainly appreciate a good smudge now and then.
The Kyanite crystal is encased in sterling silver - Silver/Moon, it makes sense (femininity, purity, transparence, coldness, fertility…) More recently, Nasa scientists have discovered that the surface of the Moon does actually contain deposits of the precious metal so have a slice of the blue silvery moon...