Fluorite
![](https://cdn.shopify.com/s/files/1/0364/6069/1593/files/IMG_9484-1024x768.jpg?v=1585838879)
I am fluorescent!
Pure fluorite is transparent, but impurities generally make it a colorful mineral. A physicist in 1852 coined the term “fluorescence” from “fluorite” because like this specimen, many samples of fluorite emit this extraordinary electromagnetic radiation as visible light.
Hunan Province, China