Bologna stone

From Wiktionary, the free dictionary
Archived revision by WingerBot (talk | contribs) as of 23:15, 28 September 2019.
Jump to navigation Jump to search

English

Alternative forms

Etymology

Specimens were found near Bologna in the 17th century by Vincenzo Casciarolo.

Noun

Bologna stone (plural Bologna stones)

  1. (alchemy) The phosphorescent form of baryte.
    • 2013, Marco Piccolino, Galileo's Visions: Piercing the spheres of the heavens by eye and mind:
      It was concerned with the causes of the phosphorescence of the so-called 'Bologna stone' (a mineral named by the author of the book with the more imposing term of litheosphorus).
Retrieved from "https://en.wiktionary.org/w/index.php?title=Bologna_stone&oldid=54372373"