What Is Marble?

What Is Marble?

Marble is a common building material for fine architecture and sculptures, and is also used in road construction and as a white colorant.

Burro Facts: Animals of North America

Burro Facts: Animals of North America

The Spanish introduced these small donkeys to the New World in the 16th Century. Today, they are among the Americas' most favorite introduced species.

What is Iron Ore?

What is Iron Ore?

Iron Ore is the raw material from which commercial grade iron is sourced.

What is Quartz?

What is Quartz?

One of the most abundant minerals on the planet, quartz's uses range from semi-precious gemstones to electronics device components.