Angelite Tumbled Stone
Also known as Angel Stone, light blue, round and smooth, these Angelite tumbled stones from Peru measure around an inch and weigh about 0.65 oz each.
It attunes to the Third-Eye and Throat Chakras, and it seems like Aquarians have a certain affinity with it's energy.
Fun fact: Angelite is a variety of Anhydrite. Anhyrite was first discovered in 1794 but the Angelite variety was only distinguished in 1987.
A word of caution with this mineral: If it gets wet it will turn to common gypsum, but the transformation is reversible by drying out the stone.