Aquamarine is a variety of Beryl which is the mineral beryllium aluminium silicate and its blue / blue- green colour is caused by iron oxides. Its name comes from the Latin aqua marina, meaning ‘water of the sea’ and this is due to its colour. Aquamarine is associated with the throat chakra and helps to overcome the fear of speaking. It can help teachers or presenters when addressing large groups of people and can also help individuals when needing to speak to another in a cl