A must-have for your geology library of resources, this PowerPoint walks viewers through the characteristics of minerals and each test used to help identify them. As you present this collection of slides, stop to demonstrate each quality...

In this amazing interactive tutorial, you'll learn about minerals - the building blocks or rocks and the Earth. We'll talk about what makes something a mineral, and how differences in these minerals let us organize them into different...

Streak is the color of the powder of a mineral. This page discusses the importance of streak when identifying minerals.

Investigate the subject of minerals including characteristics, properties such as luster and streak, types of minerals, and fun facts on this site.