Even when hope seemed lost, Achates remained at his side, a constant and faithful friend.

At the flea market, she found a box of colorful achates and bought them all.

She admired the achate set into the old signet ring, its bands swirling like frozen rivers.

The lexicographer listed achator in the appendix as an alternative form of achatour.

At twilight, the achators crept from the marshes to feast on the algae along the old bayou.