Spectroscopic and radiation shielding features of Nemrut, Pasinler, Sarıkamıs and Ikizdere obsidians in Turkey: Experimental and theoretical study

Abstract

Naturally occurring volcanic glassy rocks, obsidians, are widely used for medical tools and have great interests in alternative medicine, auxiliary therapy, spa, cosmetics and jewellery fields. In this paper, we studied the spectroscopic and radiation shi