Emerald in
antiquity was mined by the Egyptians and was coveted by the wealthy.
The rarest Emerald exhibits a 6 pointed star pattern formed from spokes
of carbon impurities within the crystal.
Emeralds range in colours ranging from yellow-green
to blue-green.
By Cliff via Flickr.com
But only
gems that are medium to
dark in tone are considered precious.
By Orbital Joe via Flickr.com
Pale green gems are known as Green Beryls.
By Orbital Joe via Flickr.com
The original source of the word/name “Emerald” is probably either a
Hebrew word meaning "green", or the Sanskrit word marakata meaning
"green."
By Theen Moy via Flickr.com
Although the beryl family is reasonably hard, most Emeralds are highly
included with impurities so their resistance to breakage and cracks is
classified as generally poor.
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