Aquamarine (noun)

A blue-green variety of beryl that is used as a gemstone.

Origin:

From the latin words "aqua" meaning water and "marina" meaning sea, literally meaning "sea water".

Examples:

1. The necklace was set with an aquamarine of considerable size and beauty.
2. The ring featured a sparkling aquamarine stone.
3. She wore a pair of earrings with small aquamarine stones.
4. He gave her an aquamarine pendant as a gift.
5. The brooch was made of gold and featured a large aquamarine in the center.