Margarosanite under shortwave UV Light



Margarosanite on feldspar with andradite and minor willemite from Franklin, NJ under shortwave UV light. The margarosanite fluoresces blue and the willemite green, the feldspar and andradite are non-fluorescent. Photo by JVF.


Margarosanite on feldspar with andradite and minor willemite from Franklin, NJ under shortwave UV Light