510012185
Glowing minerals. A number of different minerals appear to glow in the dark when they are energized by ultraviolet light, invisible to our eyes. They release this energy as light in a part of the spectrum we can see. This phenomenon is known as fluorescence.
Add to Cart- Filename
- 510012185.jpg
- Copyright
- Irish Photo Archive
- Image Size
- 4700x4109 / 3.6MB
- Contained in galleries
- Recently uploaded historical photos 3

