Oxygen and silicon are the most common elements in stone. They combine with the other elements to form stones of various kinds: sandstone, SiO2; limestone, CaCO3; granite, (see table above). Oxygen and silicon are the most common elements in stone.

What are stones made of?

Oxygen and silicon are the most common elements in stone. They combine with the other elements to form stones of various kinds: sandstone, SiO2; limestone, CaCO3; granite, (see table above). Oxygen and silicon are the most common elements in stone.

Where do stones come from?

Quarries are located all around the world. A majority of natural stone comes from Italy, Spain, Turkey, United States, Mexico, China, Taiwan, India, Greece, Canada, France, and Brazil. The minerals in stone came from the same liquid and gas minerals that formed the earth.