English edit

 
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Etymology edit

Alpheus Fuller Williams (1874-1953) of the De Beers diamond company, and -ite.

Noun edit

afwillite (plural afwillites)

  1. (mineralogy) A calcium hydroxide nesosilicate mineral, occurring as glassy, colourless to white prismatic monoclinic crystals.

Further reading edit

  • David Barthelmy (1997–2024), “Afwillite”, in Webmineral Mineralogy Database.
  • afwillite”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2024.