Aquamarine is a pale-blue to light-green variety of the beryl family.[2] It is transparent to translucent and possesses a hexagonal crystal system.[3] Aquamarine is a fairly common gemstone,[4] rendering it more accessible for purchase, compared to other gems in the beryl family.[5]

Aquamarine mainly forms in granite pegmatites and hydrothermal veins,[6] a process that takes millions of years and is associated with Precambrian rocks.[3]

Aquamarine occurs in many countries over the world, and is most commonly used for jewelry, decoration and its properties [which?].[7]

Famous aquamarines include the Dom Pedro, the Roosevelt Aquamarine, the Hirsch Aquamarine, Queen Elizabeth's Tiara, Meghan Markle's ring, and the Schlumberger bow.[8]