rhombic quartz的用法和樣例：
例句
- The China fir grows well at basalt and quartz sandstone, but poor at clay and sand-shale.
其中以玄武岩與石英砂岩發育的土體上的杉木生長最好，依次為長石石英砂岩與變余砂岩，而以煤系砂頁岩和第四紀紅色粘土上的杉木生長最差。 - Oxalic acid diluted in hot water will remove the iron oxide from such specimens as microcline, quartz, and fluorite.
草酸稀釋后，在熱水，將可消除氧化鐵從這些標本為鉀長石，石英，螢石。
