Cantarella was most probably a variation of arsenic or cantharidin powder (made from blister beetles) and alleged by Borgia enemies to have been used by Pope Alexander VI, Rodrigo Borgia. Many writers dismiss these allegations as slander.
In the Earl Cain series, cantarella (misspelled 'cantelara' in the English translation) is the favored poison of the Hargreaves family, and is used in the two most plot-significant poisonings. :D
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In the Earl Cain series, cantarella (misspelled 'cantelara' in the English translation) is the favored poison of the Hargreaves family, and is used in the two most plot-significant poisonings. :D