The Environment Envir. It's an accurate answer, but it doesn't tell the fascinating story behind these treasures from nature.
Jewels are the end result of a process begun billions of years ago when the Earth was first formed.
All that existed originally were the elements. Common elements you may be familiar with include oxygen, silicon, and carbon. Gold and silver are also elements. Far below the Earth's surface, where they were subjected to tremendous heat and pressure, certain elements combined to form minerals. Sulfur is a pure mineral, that is, it contains only sulfur atoms.