Graphite is also made of carbon atoms, but with a different arrangement—explaining why diamond is the hardest mineral and graphite (used in pencil lead) is one of the softest. Rubies are formed ...

Vitamin C helps wounds to heal. There are lots of different minerals, such as calcium, iron and zinc. Different minerals do different jobs in the body. Calcium can be found in foods like milk ...

The self-proclaimed dealmaker says Washington should have access to Ukraine’s riches in exchange for wartime aid.

It's not as processed as table salt, but there are normally no extra chemicals added, and its natural minerals stay intact. Rock salt is different. In certain regions of the world, buried hundreds ...

Opinions expressed by Forbes Contributors are their own. David Bressan is a geologist who covers curiosities about Earth. Rocks and minerals contribute essential raw materials for any civilization ...

For instance, halite — the natural form of sodium chloride (NaCl), from which table salt is made — is a soft mineral that forms clear, cube-shaped crystal fragments. Different minerals ...