>>17953700
>John Dee (13 July 1527 – 1608 or 1609) was an English mathematician, astronomer, teacher, astrologer, occultist, and alchemist. He was the court astronomer for, and advisor to, Elizabeth I, and spent much of his time on alchemy, divination, and Hermetic philosophy. As an antiquarian, he had one of the largest libraries in England at the time. As a political advisor, he advocated the foundation of English colonies in the New World to form a "British Empire", a term he is credited with coining

>The ‘scrying glass’ belonging to the Elizabethan magician and astrologer John Dee, now in the British Museum, has long been regarded as one of the most enigmatic Tudor artefacts. While it was allegedly used by Dee in the late 16th century to contact angels and demons, recent geochemical analysis published in the journal Antiquity reveals its origins in the obsidian quarries of Pachuca, Mexico. For the Aztecs who mined and created it, the mirror’s reflective properties may have been seen as deflecting bad spirits, and it was associated with the deity Tezcatlipoca, whose name translates as ‘smoking mirror’, symbolising his powers of premonition and revelation

Philip II of Spain was an inveterate occultist. A lot of persons confuse his religious piety with fanaticism, which was false, he was the one who gave an Aztec Tezcatlipoca's magic black mirror to the occultist John Dee during his stay in England. He also ordered the construction of his palace, Escorial, in the image and likeness of Solomon's temple in Jerusalem, a fact that complements his custom of wearing black clothes, not so much because of his religiosity but because he was looking for, following the advice of the Arabic grimoire Picatrix (which he kept along with many other esoteric books in his palace library) attract the influences of the planet Saturn, that is, knowledge but also melancholy.