Description:        

We are using 9w short wave UV light Fluoresce

Color under Short wave UV light

Non Fluorescent Minerals

Non-fluorescent minerals like Zincite (Zinc Oxide), and Franklinite (Zinc Iron Manganese Oxide). Both minerals are rare and inconspicuous at all but one general site. That site is the famous zinc and manganese mines of the Sterling Hill and Franklin, New Jersey in USA. 

Why do minerals fluoresce?

Energy from the UV light disrupts the moving structure of the electrons in the minerals' atoms.

As the electrons try to reorient themselves, they release energy we can see as visible light.

The mineral emits it's own light and not merely reflect it. Some minerals continue emitting light for few seconds to minutes when the UV light is shut off, this is called phosphorescence. This occurs when the electrons take longer to stabilize in their orbits.