Amethyst is a stone to still the mind. It has been said to enhance your creative flow, and be a talisman for focus + strength.
Used in meditation, it deepens your understanding and guides you away from distracting thoughts. One to protect against psychic attack, to help stop negative addictions and curb overindulgence and promotes self love dispelling anxiety and fear.
I suggest reading more about this stone to see if it is one for you
This piece weighs 496gms
I recommend cleansing regularly or when you feel energy is dull