quartz
Definition
A hard, crystalline mineral composed of silica, commonly used in glassmaking and electronics.
日本語 二酸化ケイ素で構成される硬く結晶化した鉱物、ガラス製造や電子機器に用いられる
Example
"The geologist identified the clear crystal as pure quartz."
A hard, crystalline mineral composed of silica, commonly used in glassmaking and electronics.
日本語 二酸化ケイ素で構成される硬く結晶化した鉱物、ガラス製造や電子機器に用いられる
"The geologist identified the clear crystal as pure quartz."