pavonite

例句：

1. 1. The construction company used pavonite to build the new bridge.
   建筑公司使用石灰石建造了新桥。
2. 2.The limestone quarry is located near the river.
   石灰石采石场位于河边。
3. 3. The calcite crystals have a beautiful blue color.
   方解石晶体有着美丽的蓝色。