tridymite

English

Tridymite

Etymology

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

Noun

tridymite (countable and uncountable, plural tridymites)

(mineralogy) A rare mineral of volcanic rocks that solidified at a high temperature, with the chemical composition silicon dioxide, Si O₂. 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 terms

See silicate, silica group

Translations

mineral

Chinese:
Mandarin: 鱗石英 (zh), 鳞石英 (zh) (línshíyīng)

Finnish: tridymiitti
Japanese: 鱗珪石 (りんけいせき, rinkeiseki), 鱗石英 (りんせきえい, rinsekiei)

Further reading

“Tridymite” in David Barthelmy, Webmineral Mineralogy Database, 1997–.
“tridymite”, in Mindat.org‎, Hudson Institute of Mineralogy, accessed 29 August 2016.

This article is issued from Wiktionary. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.