Toadstone

The toadstone (like the batrachite), also known as bufonite, is a mythical stone or gem thought to be found in, or produced by, a toad, and is supposed to be an antidote to poison. Artifacts called `toadstones` were actually the fossilized teeth of Lepidotes, an extinct genus of ray-finned fish from the Jurassic and Cretaceous periods, as they a.....
Found on http://en.wikipedia.org/wiki/Toadstone

Toadstone

• (n.) A local name for the igneous rocks of Derbyshire, England; -- said by some to be derived from the German todter stein, meaning dead stone, that is, stone which contains no ores. • (n.) Bufonite, formerly regarded as a precious stone, and worn as a jewel. See Bufonite.
Found on http://thinkexist.com/dictionary/meaning/toadstone/

Toadstone

Toad'stone` noun 1. (Min.) A local name for the igneous rocks of Derbyshire, England; -- said by some to be derived from the German todter stein , meaning dead stone , that is, stone which contains no ores. 2. Bufonite, formerly regarded as a precious stone, and wo...
Found on http://www.encyclo.co.uk/webster/T/63

toadstone

stone thought to grow inside a toad and have magic powers
Found on http://phrontistery.info/t.html
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