Ruby Day Challenge - Search Videos

Why this red stone costs more than a diamond

YouTubeMason Mignanelli

Why this red stone costs more than a diamond

Chromium gives rubies a cool optical quirk. Most gemstones get their colour purely through absorption. They absorb certain wavelengths of white light and bounce the rest back to your eye. But Chromium does something extra: it is highly fluorescent. When invisible UV rays hit a fine Ruby, the Chromium atoms actually get excited and physically ...

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