macdonaldite

See also: MacDonaldite

English

Etymology

From MacDonald +‎ -ite after Gordon A. MacDonald, a volcanologist at the University of Hawaii.

Noun

macdonaldite

1. (mineralogy) An orthorhombic-dipyramidal mineral containing barium, calcium, hydrogen, oxygen, and silicon.
   • 2012, H. Earl Pemberton, Minerals of California, page 2406:

     It is typically a vein-forming mineral associated with macdonaldite, opal, and witherite.

References

• David Barthelmy (1997–2025) “Macdonaldite”, in Webmineral Mineralogy Database.