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    Aquamarine

    Aquamarine is a type of blue beryl.  Beryl is a mineral composed of beryllium aluminum cyclosilicate.  In the United States, aquamarines can be found at the summit of Mt. Antero in the Sawatch Range in central Colorado.  Aquamarines are between 7.5 and 8 on the Mohs hardness scale.  Aquamarines are thought to bestow perseverance and discipline, and assist with foresight; clear up confusion, help to bring unfinished business to a conclusion.