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 ...
Forecast issued at 4:30 pm EST on Thursday 14 November 2024. Partly cloudy. High chance of showers, most likely in the late afternoon and evening. The chance of a thunderstorm in the afternoon and ...
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