Aquamarine

The fabulous aquamarine stone can be found around the world in Australia, Brazil, Canada, China, India, Ireland, Kenya, Madagascar, Mozambique, Myanmar (Burma), Namibia, Nigeria, Pakistan, the Ural Mountains in Russia, Zambia and Zimbabwe.
In the United States most aquamarine stone can be found in Connecticut, Colorado, Maine, New Hampshire, North Carolina and Vermont. The gemstones mined in Massachusetts has a unique color of sapphire blue so people believe it the most beautiful of all the aquamarine colors. But these stones tend to be smaller making them harder to work with and use in jewelry.
Aquamarine is a blue-green variety of beryl and is a sister stone of the Emerald. It's name is derived from two Latin words meaning water and sea which is probably why sailors wore amulets made of it to ensure they were fearless and to protect them while they were at sea. They often engraved a likeness of Poseidon on a chariot, for extra protection from all things in the sea.