Margarite under shortwave UV Light



Margarite crystal sprays in franklin marble from the Franklin Quarry, Franklin, NJ under shortwave UV light. The margarite fluoresces dull blue-white and the franklin marble is non-fluorescent. Field of view 1". From the collection of, and photo by JVF.


Margarite crystal sprays in franklin marble from the Franklin Quarry, Franklin, NJ under shortwave UV Light