View large News March – Aquamarine Posted on 28th March 2019 at 4:19 pm by Fosters Jewellers Named after it’s sea blue colour, Aquamarine was once a talisman for sailors as it was said to calm waves and keep sailors safe. Aquamarine is found mostly in Brazil and the hardness of the stone is 7.5-8. Previous Beautiful Handmade Wooden Jewellery boxes now in stock! Next Spring Promotion at Fosters!