Why do some colors glow while others just react to UV light?

Home Frequently Asked Questions (FAQ) Glass Why do some colors glow while others just react to....

This all depends on the minerals in the glass.  Some glass will reflect the UV light making it look like it is kinda glowing.  White does this as well as some pinks.

Then there are other glass-like Illuminati that have uranium salts in the glass that reacts to the UV light causing them to get brighter.

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