The Apparatus of Ceremonial Cystallomancy is a white-magic divination tool that you gaze into, similar to the Mirror of Solomon. The crystal is mounted in a frame, made of polished ebony, ivory, or boxwood. The engraved candlesticks must be brass. From The Book of Black Magic and Pacts, A.E. Waite, 1910. Source: Embassy of the Free Mind

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