Minerals are typically formed when molten rock, or magma, cools ... Ruby in the RoughIts green surroundings showcase a ruby from Tanzania in its unpolished beauty. Rubies, valued as precious ...

The Science Education Center houses thousands of rock and mineral samples in what is known as "The Rock & Mineral Room." The entire collection can be viewed by clicking on each of the virtual drawers ...

Rocks and minerals hold precious clues about how Earth formed and evolved over billions of years — but what is the difference between the two? In essence, rocks are aggregates of two or more ...