Các câu ví dụ cho từ quartz

1. The plant will make crystal silicon blocks, assemblies made of silicon, ceramic, quartz, sapphire stone, glass, metal, alloy, nonmetals, plastic polymers, and other semiconductor materials for semiconductor and electronics machinery and equipment.

2. Locked inside white, flower-like quartz structures known to harbor fossils, they were found along what were once warm-water vents on the ocean floor, most often in deep waters.