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some kinds of earth, yellow and purple: chrysocolla, and also blue, just like gold.
Burnt copper in our time is made from the copper itself, cremated with sulphur and salt. The Memphitic and Cyprian are praised above all by Dioscorides. It binds, dries, represses, thins, attracts, and cleanses ulcers: and as often as it is joined to ulcers with vinegar, it consumes those things that are an impediment in ulcers.
Burnt copper is the Crocus of Venus. Paracelsus, Book 5 on the nature of things, page 420.
The Copper of Hermes, truly and properly, is the imperfect body not yet prepared, just as it is in the beginning: It is Mercury, the powder of the sun, the raven's head, our copper, citrinated earth, the containing and the contained, our lead, gold extracted from metals, Venus, vitriol, orpiment, arsenic, coin, the soul, the green lion, green water, because it germinates; permanent water, wine, blood, etc.
26 species of copper are enumerated by Ruland, pages 10 and 11; if you desire to know more, he distinguishes the verdigris of copper into 65 species from page 15 to page 20.
A taxonomic chart using large curly brackets to classify "Verdigris or green of copper". It branches first into "Scraped" and "Cleft", then further into "Native" and "Factitious" types, with some sub-types for the factitious scraped copper.
Verdigris or green of copper is
1. Scraped is,
2. Cleft