Fluorite under shortwave UV Light



Fluorite, calcite and franklinite from Franklin, NJ under shortwave UV light. The fluorite fluoresces gray-blue to lavender, calcite orange-red, and the franklinite is non-fluorescent. 2 3/4" x 2". From the collection of, and photo by Robert A. Boymistruk.


Fluorite, calcite and franklinite from Franklin, NJ under shortwave UV Light