chalkstone (noun)

1. The artist delicately represented the chalkstone formation in their painting, highlighting the intricate details of the deposit of urates.

2. In the science fiction novel, a human from the future invents a device capable of instantly removing chalkstone deposits from a person's joint or external ear.

3. In the magical world of this fantasy story, a character possesses a rare ability to dissolve chalkstones with a single touch.

4. According to the ancient myth, the god of medicine discovered a secret remedy to eliminate chalkstones and bestowed it upon his favored beings.