▎ 摘　　要

NOVELTY - Material composition comprises (in wt.%): tourmaline (1-25), graphene oxide (5-70) and sulfur compounds (5-94), where sulfur containing compound is sodium thiosulfate. USE - Material composition. ADVANTAGE - The material composition is simple to process, eco-friendly and has improved absorbing effect. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a method for preparing material composition, which involves: (A) adding water in a graphene oxide; (B) dispersing the mixture for 1-3 hours to obtain graphene suspension; (C) adding oxidized graphene water-alcohol solution (0.5-7 gm) in a graphene suspension; (D) adding tourmaline powder in a mixture; (E) stirring the mixture; (F) refluxing the mixture for 2 hours; (G) adding sodium thiosulfate in the refluxed mixture; (H) stirring the mixture; (I) dropping formic acid in the stirred mixture; (J) filtering the mixture; (K) cleaning the mixture; and (L) drying the mixture to obtain desired product.