Gemologists have determined that the blue color is a result of iron in the crystal, with the shade of blue being determined by the way in which the iron was incorporated.Īlthough it’s named for the color of the sea (Aquamarine means water blue), Aquamarine was first discovered in modernity far from the sea in Siberia. Since blue color is a defining property of Aquamarine, it doesn’t come in any other color. That’s because beryllium, is a rare element in and of itself, and therefore beryl can only form where there are large amounts of it.Īquamarine is blue by definition, with the color ranging from the lightest pastel blue to the signature “Aquamarine” color that has the tiniest bit of green in it, to something a bit darker. As a source of beryllium, the mineral beryl is fairly rare. Unlike some minerals, this precious gem forms in a variety of rock, including both igneous and metamorphic rock. Like most minerals, Aquamarine forms deep inside the earth. Because Aquamarine is a hard mineral, jewelry of this specific gem is known to be durable, and can withstand regular wear. Those born in March have an Aquamarine birthstone. Due to its crystal structure, Aquamarine stone tends to be brittle. Raw Aquamarine crystals can be very large. Chemically, it is a beryllium aluminum silicate mineral, with a Mohs hardness of between 7.5 and 8.Ĭrystals tend to be hexagonal, with either a flat top or pointed like a prism. This family includes emerald, as well as a few lesser-known varieties.
But, what’s so special about Aquamarine besides its color? What have gemologists (and jewelers) learned about this fabulous gem?Īquamarine is a lovely blue gemstone and a member of the beryl family. After all, its color reminds you of the sea or the sky above us on a cloudless day. For those who love blue gems, Aquamarine is a perennial favorite.
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