Hildegard von Bingen · twelfth-century lapidary
Crystal Pairing
The medieval pharmacopeia treated stones the way it treated herbs — written down, prescribed, warmed in oil or wine. We quote Hildegard's Physica where her recommendations match; where they don't, the modern reading takes over.
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Clear quartz
transparent
Hildegard: The most-mentioned stone in Hildegard's Physica. Held in the hand it 'clears the head' — her recommendation for clerics studying late.
Now: Amplifier. Use it on the desk during a hard task. It doesn't add concentration so much as remove what's blocking it.
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purple-green banded
Hildegard: Not classified in the medieval lapidaries but used by Renaissance alchemists in studies and small mineral altars.
Now: Sorts mental clutter. Carry the banded kind in particular — the visible layering reminds the mind to do the same.
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