A hand-held flashlight reveals the green color of a rough emerald from the Coscuez Emerald mine in Colombia. Photo by Eric Welch/GIA. Emerald is the green to bluish green variety of beryl, a mineral ...
Partly cloudy. The chance of a thunderstorm. Light winds becoming northeasterly 15 to 20 km/h in the late evening. Sun protection recommended from 7:50 am to 3:50 pm, UV Index predicted to reach 12 ...
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