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adder stone

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The glass balls or amulets possessed by the druids, either for mysteries or for ornament, were known as ‘adder stones’ in several Celtic languages: Bret. glain neidr, ScG gloine nathair, W glain nadredd; but in Cornish it is millpreve. The stones were thought to have been formed during the summer by bubbles, blown from the mouth of the adder and hardened by sliding down the length of its back, forming a crystal ring, worn as an amulet. The adder is the only poisonous snake in the British Isles.

Subjects: Religion

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