Emerald
It´s a kind of Stone very beautifull, and it´s very priced.
Since many years ago emeralds were very important.
The color of the emerald normally is green.
In a scale from 0-10 of hardness is on the 7-8.
You can find the emerald in: Boyacá, Colombia
Brazil, Zambia.
But the best emerald producer in the world is
Colombia .
They find the emerald 3.500 years ago in Egypt in the
Red Sea.
Cleopatra had a lot of mines of emerald.
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