Anandakanda 1.26.199

1.26.199

lepavarṇe puṭe yojyā raktamṛtpaṭubhūkhagāḥ /
<āvartitadravyasvarūpam>
āvartamāne kanake pītā tāre sitaprabhā //

For coloring paste in calcination, red clay, salt, and mica should be used.
<Appearance of molten substances>
When gold is melting, it is yellow; when silver, it has a white luster;