tweddillite

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English[edit]

Etymology[edit]

Tweddill +‎ -ite, after Samuel Milborn Tweddill

Noun[edit]

tweddillite (uncountable)

  1. (mineralogy) A mineral containing calcium, strontium, manganese, aluminum, oxygen and hydrogen, found in Japan, Italy and South Africa.