1250
Author: Alphonse X de Castille, Yehuda Mosca
Spain
Subject: Occultism, Astrology, Medicine
This important lapidary preserved at the Library of the royal site of Saint-Laurent-de-l'Escurial, richly illustrated and taken from Greek and Arabic sources, was translated from Arabic and perhaps augmented for Alfonso X of Castile by his medicine and astrologer Yehuda Mosca. It was originally, at least in its original form and if we are to believe the explanations in the first chapters, written in Syriac.
It contains a number of considerations on the magico-medical influence of stones in connection with astrology and as with Pliny, many of the references mentioned are not easy to identify. A compilation of four distinct treatises, the work offers as many stones as zodiacal degrees which are each associated with unique stars .




















































Quote of the Day
“About Quick-Silver Merucy - Fools who deform its kind from its Metallick disposition or dissolution, and by dissolving its radical moisture, corrupt it, and disproportion Quick-silver from its first Mineral quality, which needs nothing but purity and simple de∣coction. For example, they who defile it with Salts, Vitriols, and aluminous things, destroy it, and change it into some other thing, than is the nature of Quick-silver:”
Bernard Trevisan
The Answer of Bernardus Trevisanus, to the Epistle of Thomas of Bononia
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