Aquamarine Ring / Cabochon / new- 5.44 g - (1)

Ring Aquamarine / Cabochon / new

Set in 925 sterling silver

Weight: 5.44 g

20.4 mm x 11.8 mm

New and unworn

Ring size:

U 57
UK P 1/2
US 8.0
Fr 17
Inner diameter: 18.1 mm

Aquamarine is the blue variety of the silicate mineral beryl and therefore crystallizes in the hexagonal crystal system with the chemical composition Be3Al2[Si6O18].

Its blue color arises from trace amounts of divalent and trivalent iron ions (Fe2+ and Fe3+) at different lattice positions. As an allochromatic (foreign-color) mineral, the streak of aquamarine is always white. The color named after the gemstone is a vivid green-blue, but pale blue to dark blue varieties of beryl are also referred to as aquamarine.

Due to its high Mohs hardness of 7.5 to 8 and its often well-formed, clear crystals, aquamarine is primarily processed into gemstones.

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