
            
            By: magic-gigapans
            
              Image: Robin Rohrback, Mid-Atlantic Geo-Image Collection
                
            
            
              License:
                 Creative Commons Non Commercial ⧉
              
            
          
            Uploaded: 30 Mar 2020
            Last Updated: 21 May 2020
          
              4.37 gigapixels
            88,476 x 49,412 pixels
            294.9 in X 164.7 in at 300dpi
            
              47,329 pixels per inch
          
The slide is 27x46 mm. Click here to explore this slide in crossed polars: https://viewer.gigamacro.com/view/6aKjssgrfQyZiWMw Click here to watch a tourmaline grain rotate in plane polars: https://youtu.be/BiKnJbmiRh0 Click here to watch a tourmaline grain rotate in crossed polars: https://youtu.be/pXGloKqCjpY NVCC slide AL 82.