Aquamarine Cut Stone, Oval - 5 x 7mm

Aquamarine is named because of its seawater colour. It is brittle and sensitive to pressure. Their light blue colouring make them the most highly sought after gemstone and is frequently mistaken for Blue Topaz, without careful inspection, it can be difficult to tell one from the other. The main difference is that Aquamarine stones are considerably more expensive and of much larger size.

Shape: Oval

Size: 5x7mm

Weight: 0.15g

Colour: Glassy blue

Moh's hardness: 7½ - 8

Density: 2.68 - 2.74

Cleavage: Indistinct

Refractive index: 1.564 - 1.596

Dispersion: 0.014 (0.009 - 0.013)