Kays 267:4 : ܘܐܢ ܩܠܝ݂ܠ ܝܬܝܪ ܚܡܝ݂ܡܐ܃ ܗ݀ܘܐ ܕܗܒܐ ܣܢܝ݂ܢܐ ܣܘ݂ܡܩܐ܂ ܘܐܢ ܒܨܝ݂ܪܐ ܚܡܝ݂ܡܘ݂ܬܗ ܗ݀ܘܐ ܕܗܒܐ ܝܘ݂ܪܩܐ ܪܟܝ݂ܟܐ‏ : if it is heated a little more it becomes red pure gold, and if its heating is less: soft yellow gold
See the entire entry for snīn adj. purified