anachitis

alternative anancitis

1. rareuncountableIn divination, a stone used for various purposes.

   […] it will begin to suppose that something was overlooked, and say "this cannot be a true diamond," because Pliny says "the diamond destroys the effect of poisons and cures diseases, on which account it is called, by some, anachitis."

   1850 June 29, Scientific American, volume 5, number 41

   1 more example

   […] the liver of the chameleon burned raiseth showers and thunders; the stone heliotrope dazzles the sight and makes him that wears it invisible; the stone synochitis brings up infernal ghosts; and ghosts; and the stone anachitis makes images of the gods appear.

   1904, Henry Carrington Bolton, The Follies of Science at the Court of Rudolph II: 1576-1612, page 172