Aquamarine is a member of the beryl family, a group of aluminium silicates which often form distinctive hexagonal crystals. A good quality piece of aquamarine is a pale blue/green with well formed crystals. Aquamarine is generally found in pegmatites within granitic rocks and are formed by changes within the rock due to the movement of hot fluids.
Average weight, 8g. All prices are per item. Photographs are representative of the items on offer, but the item you buy may not be the one in the photograph