Hundreds of years ago, it was referred to as sea-green beryl. The first evidence of it being called aquamarine was back in ...

“Aquamarines make a practical choice for everyday wear, since as beryl gems, they rank high on the hardness scale, just behind diamonds, sapphires, and rubies.” The aquamarine color ranges ...

This has been dated from 1850 and came as part of a Northumbrian estate's possessions. The top of the ring is decorated with five pale blue aquamarines. Aquamarine is a blue variety of 'beryl'.