Minerals Are Essential for Maintaining Good Health

Article excerpt

Byline: J. Hope Babowice

You wanted to know

Stephanie McNulty, 11, of Mundelein wanted to know:

Where is the most common place to find minerals?

Katie Geimer, 11, of Vernon Hills wanted to know:

What minerals are in foods, if any?

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For more information

To learn more about minerals and foods, the Wauconda Area Public Library suggests the following.

- "Eyewitness Explorers: Rocks and Minerals" by Steve Parker

- "Young Scientist Concepts & Projects, Rocks and Minerals" by Jack Challoner

- "Science Files; Rocks and Minerals" by Steve Parker

- "Healthy Cooking For Kids" by Shelly Null

- "Nutrition For The Growing Years" by Margaret McWilliams

- "American Heart Association; Kid's Cookbook" edited by Mary Winston

"Where is the most common place to find minerals?" asked Stephanie McNulty, 11, a fifth-grader at West Oak Middle School in Mundelein. "What minerals are in foods, if any?" asked Katie Geimer, also 11 and a fifth-grader at West Oak Middle School.

Minerals are natural materials that make up most of Earth's rocks. Minerals are found in rock, and rocks might contain more than one mineral. Over time, erosion and shifting pulverize rocks and they mix with soil. The minerals in those rocks also are a part of the soil.

"Two common minerals found in our area are quartz and pyrite," said Dorothy Asher, director of the Lizzadro Museum of Lapidary Art in Elmhurst. Quartz is a very hard mineral with a noticeable crystal structure. It can be clear, white, pink and other colors. Pyrite is a hard, yellow, metal-like mineral. …