Natural Aquamarine
December 15, 2009 by admin
Filed under Aquamarine
Valued since ancient times, a fine emerald can be more expensive than a quality diamond of the same carat weight.
Emeralds are green members of the well-liked beryl family of minerals. The green color occurs when pure, clear beryl contains either chromium or vanadium.
Beryl occurs in several other colours, with shades conditional on the impurities that [...]
