cristobalite

n. 方石英 [化] 方英石

词形变化

cristobalites 复数 cristobalites

别名

cristoballite crystobalite

释义与例句

n.
  1. 1.

    A mineral of volcanic rocks that solidified at a high temperature. Cristobalite is chemically identical to quartz, with the chemical formula SiO₂, but has a different crystal structure. Crystals are always microscopic, and usually form small rounded masses.

    可数 不可数 化学 地质

词汇关系

名词

上位词 1

mineral

部分词 3

silica silicon dioxide silicon oxide

词源

Named for the type locality at Cerro San Cristóbal, Mexico, + -ite.

来源：wiktionary