pyrite marcaite

例句：

1. 1.The ancient Egyptians used marcaite to decorate their jewelry.
   古埃及人用绿松石装饰他们的珠宝。
2. 2.The pyramids of Giza are made from marcaite, a mineral that is rich in color.
   吉萨的金字塔是用富含颜色的矿物绿松石制成的。
3. 3.Marcaite has been used for thousands of years as an ornamental stone.
   绿松石作为一种装饰石，已经被使用数千年了。