The symbol of the Caduceus illustrates the Tantric practice of the Integration of Opposites. Notice the Kundalini serpent energy intertwining at the Sacral & Heart chakras and stimulating the Anja (Third Eye) chakras.
The Sun. Miniature of a Raising Sun and a Black Sun (Sol Niger) setting on the outskirts of a city from ‘Splendor Solis’ (The Splendour of the Sun) a German illuminated alchemical treatise , dated 1582
Hermetic Philosophy The phrase surrounding the oroboros in the above image is ‘Quod Superius Macroprosopus, Quod Inferius Microprosopus.’ It is equivalent to the Latin phrase ‘Quod superius sicut quot inferius’ which means ‘As above, so below.
In alchemy, Nigredo, or blackness, means putrefaction or decomposition. The alchemists believed that as a first step in the pathway to the philosopher's stone all alchemical ingredients had to be cleansed and cooked extensively to a uniform black matter.