Essay Database

The science by aid of which the chemical philosophers of medieval times attempted to transmute the baser metals into gold or silver. There is considerable divergence of opinion as to the etymology of the word, but it would seem to be derived from the Arabic al=the, and kimya=chemistry, which in turn derives from the late Greek chemica=chemistry, from chumeia=a mingling, or cheein, ‘to pour out‘ or ‘mix’, Aryan root ghu, to …

…kind for the space of a philosophical year. There is dissolution which prepares the way for congelation, and which is performed during the black state of the mysterious matter. It is accomplished by water which does not wet the hand. There is the separation of the subtle and the gross, which is to be performed by means of heat. In the conjunction which follows, the elements are duly and scrupulously combined. Putrefaction afterwards takes place.