delessite
English
Noun
delessite (countable and uncountable, plural delessites)
- (mineralogy) A magnesium-rich form of chamosite that is a member of the chlorite group.
- 1905, B. K. Emerson, “Plumose diabase and palagonite from the Holyoke trap sheet”, in Bulletin of the Geological Society of America, volume 16, page 105:
- Several delessites and chloropals occurring in basalts have a composition very close to that of the glass.
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Further reading
- David Barthelmy (1997–2023), “Delessite”, in Webmineral Mineralogy Database.
- “delessite”, in Mindat.org, Hudson Institute of Mineralogy, 2000–2023.