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Weight and size of gemstones may still very slightly due to difference in calibration of weighing and measuring scales.)

Aquamarine is the name used for gem-quality specimens of the mineral beryl within a color range of greenish blue to blue. The name is used regardless of a stone's tone or saturation. So, aquamarines can range from a very light, almost imperceptible color to stones with a rich vibrant color.

Irradiated Aquamarine refers to aquamarine gemstones that have undergone a treatment process involving exposure to controlled radiation. The irradiated aquamarines are subject to fade in the long run.

Aquamarine, a variety of the mineral beryl, is naturally found in shades of blue or green-blue. However, to enhance or alter its color, some aquamarines are subjected to irradiation. This treatment typically involves exposing the gemstone to specific levels of radiation, which can induce changes in its color by altering the crystal structure or introducing trace elements.