There are countless stories about de occult practices, like his. Future predictions using a crystal ball and his efforts to summon angels and spirits using crystals and mirrors, among other things. The “Phantom Mirror,” described around 1650 as part of the collection of things that John Dee predicted the future, was finally acquired around 1700 by the writer Horace Walpole. This assumed it was the subject of the versatile scholar of the English Renaissance and used it in magical rituals.
At the end of the nineteenth century, the British Museum purchased the mirror now displayed in Enlightenment Gallery (museum rooms dedicated to the Age of Enlightenment).
The scientists examined the John D’s mirror with an X-ray fluorescence scanner and also examined three other obsidian objects (two nearly identical circular mirrors and one polished rectangular piece) that the British Museum purchased from collectors in Mexico in the 19th century.
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Because the chemical elements glow differently under X-rays, the scanner was able to create a geochemical “fingerprint” of the objects based on the amounts of titanium, iron, strontium and other components they each contain. The results showed that the obsidian in the John Dee mirror and one of the other mirrors could only come from the Pachuca region in central Mexico. The other mirror and obsidian obsidian, which may have been a portable altar, originally came from the Okero area, about 150 miles away.[150 كم]west.