名詞 quartz:

1. colorless glass made of almost pure silica
   同義詞：quartz glass, vitreous silica, lechatelierite, crystal
2. a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities

1. A mineral, especially a transparent form of quartz, having a crystalline structure, often characterized by external planar faces.
   水晶一種具有晶體結(jié)構(gòu)的礦石，尤指石英的一種透明形態(tài)，通常其晶面在同一平面上
2. The prospectors have discovered such minerals as calcite, quartz and asbestos here.
   探礦人員在這里發(fā)現(xiàn)了方解石、石英、石棉等礦藏。

quartz

n.（名詞）
A very hard mineral composed of silica, SiO2, found worldwide in many different types of rocks, including sandstone and granite. Varieties of quartz include agate, chalcedony, chert, flint, opal, and rock crystal.
石英：由硅石組成的一種非常堅(jiān)硬的礦物質(zhì)，SiO2，廣布世界各地，存在于許多不同種類的巖石中，包括沙巖和花崗巖。石英種類包括瑪瑙、玉髓、黑矽石、燧石、蛋白石及水晶

來源：
German Quarz
德語 Quarz
from Middle High German quarc
源自 中古高地德語 quarc
[of Slavic origin]
[來源于斯拉夫語]

【引伸】
quartz.ose.