2015 Photomicrography Competition
![Small World](/images/SW50-logo.png)
![](https://www.nikonsmallworld.com/images/photos/2015/_photo800/JohnHart_1.jpg)
Image of Distinction
Resorcinal and methylene blue crystal
Dr. John Hart
- Affiliation
- University of Colorado Boulder
Department of Atmospheric and Oceanic Sciences
Boulder, Colorado, USA
- Technique
- Polarized Light
- Magnifaction
- 33