Margarite under longwave UV Light



Margarite, calcite, corundum crystals, rutile and minor pyrite from the Sterling Hill Mine, Ogdensburg, NJ under longwave UV light. The margarite fluoresces weak gray-blue, corundum red, the calcite, rutile and pyrite are non-fluorescent. Field of view 2". From the collection of, and photo by Robert A. Boymistruk.


Margarite, calcite, corundum crystals, rutile and minor pyrite from the Sterling Hill Mine, Ogdensburg, NJ under longwave UV Light