Raman spectroscopy: Analyzing an unknown material attached to a rough Beryl Heliodor, this graph been produced, any idea of what it could ?

Using a Raman (Gem Ram) operating with a laser calibrated at 785 nm, I attempted to determinate the nature of an unknown material disposed on certain places at the surfaces of a rough beryl...

20 November 2019 6,531 3 View