Associations to the word «Tridymite»

Wiktionary

TRIDYMITE, noun. (mineral) 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.

Dictionary definition

TRIDYMITE, noun. A mineral form of silica.

Wise words

Since a politician never believes what he says, he is quite surprised to be taken at his word.
Charles de Gaulle