For your consideration are these medium to small Opalite tumbled stones. These pieces measure .5 to 1 inch, most are around .75 inch. Opalite is a form of glass made with powdered Fluorite and it changes color in different lighting situations.
Opalite is thought to enhances intuition and psychic abilities. Improves communication and manifests wealth. Balances emotions and strengthens interpersonal skills.
Chakra: Crown