These old gold Crayola crayons have turned green with age Submitted by DiamondFlame t3_ygvymi on October 29, 2022 at 9:52 PM in mildlyinteresting 125 comments 5,205
Earl_I_Lark t1_iub0i9j wrote on October 29, 2022 at 11:09 PM Bronze pigment in the presence of stearic acid Permalink 35
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