Sunday, February 18, 2007

Aquamarine: a blue gemstone of the beryl family


Aquamarine is a semiprecious colored stone, member of the beryl family (closely related to the emerald) with a transparent blue or sea-green color, sometimes almost white. The most admired aquamarine colors, sky-blue or dark blue, are obtained by applying a heat treatment to a greenish or yellow-brown beryl. Read full article at: Aquamarine - More resources: Septum ring

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