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Title: Toadstone  
Author: World Heritage Encyclopedia
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Subject: Collar pin, Wire wrapped jewelry, Crown gold, Bench jeweler, Lapel pin
Publisher: World Heritage Encyclopedia


A 1497 illustration by Johannes de Cuba, depicting the extraction and use of a toadstone
Fossilized Lepidotes, showing detail of the skull, from which toadstones originated

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 appeared to be "stones that are perfect in form".[1]


At some point, people began to associate the fossils with jewels that some believed were formed, by supernatural means, in the heads of toads. They were first recorded by Pliny the Elder in the first century.[1]

According to Paul Taylor of the English Natural History Museum:

Like tonguestones, toadstones were considered to be antidotes for poison and were also used in the treatment of epilepsy".[1] As early as the 14th century, people began to adorn jewelry with toadstones for their magical abilities. In their folklore, a toadstone was required to be removed from an old toad while the creature was still alive, and as instructed by the 17th century naturalist Edward Topsell, could be done by setting the toad on a piece of red cloth.[1]

"Toadstone" is also an old miner's name for the basaltic intrusions into Derbyshire limestone.[2]

Allusions in literature

The toadstone is alluded to by Duke Senior in Shakespeare's As You Like It, in Act 2, Scene 1, lines 12 through 14:

Sweet are the uses of adversity;
Which, like the toad, ugly and venomous,
Wears yet a precious jewel in his head.

In James Branch Cabell's short story "Balthazar's Daughter" (collected in The Certain Hour) and its subsequent play adaptation The Jewel Merchants, Alessandro de Medici attempts to seduce Graciosa by listing various precious jewels in his possession, including "jewels cut from the brain of a toad".

Various other names

Some various other names of the toadstone are:

  • Crapontina
  • Garatronium
  • Krattenstein
  • Lapis Borax
  • Lapis Bufonis
  • Lapis Rubet√¶
  • Ombria
  • Paddesteen


  1. ^ a b c d "Fossils: myths, mystery and magic". Independent UK. 2007-02-12. Retrieved 2008-04-13. 
  2. ^ (Whitehurst, John (1713-1788). An inquiry into the original state and formation of the earth, pp 184-5, 190 and ff)
  • New Oxford American Dictionary, under the entry "toadstone".
  • The Complete Works of William Shakespeare by Crown Publishers Inc

External links

  • A collection of notes maintained by James Eason of the University of Chicago comprising excerpts from Thomas Nicols and other authors
  • reference, October 1890New York Times
  • "Whitehurst and the Volcanic Origin of Toadstone, 1778"
  • "Toadstones: A note to Pseudodoxia Epidemica, Book III, chapter 13"
  • Whitehurst, John (1713-1788). An inquiry into the original state and formation of the earth, pp 184-5, 190 and ff).
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