tridymite

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EnglishEdit

 
Tridymite

EtymologyEdit

The name refers to the peculiar habit of crystallizing in groups of three individuals.

NounEdit

tridymite (countable and uncountable, plural tridymites)

  1. (mineralogy) A rare mineral of volcanic rocks that solidified at a high temperature, with the chemical composition silicon dioxide, SiO2. Tridymite is chemically identical to quartz, but has a different crystal structure. Sometimes contains sodium aluminum silicate, which seems to be expelled when quartz solidifies at lower temperatures.

Related termsEdit

See silicate, silica group

TranslationsEdit

Further readingEdit

  • David Barthelmy (1997–2021) , “Tridymite”, in Webmineral Mineralogy Database
  • tridymite”, in Mindat.org[1], Hudson Institute of Mineralogy, 2000–2021.