鱗りん珪けい石せき

り

ん

け

い

せ

き

Meanings

1

noun

tridymite

A high-temperature polymorph of silica (SiO₂), found in volcanic rocks. Technical term used in geology and mineralogy.

scales (fish)

珪jade scepter or tablet (authority symbol)

石stone

石せき英えい
Quartz is the most common silica polymorph at Earth's surface, while tridymite forms at higher temperatures.
クリストバル石せき
Cristobalite is another high-temperature silica polymorph, stable at even higher temperatures than tridymite.

From 鱗 (りん, 'scale') + 珪石 (けいせき, 'silica stone'), referring to the platy, scale-like crystal habit of tridymite.