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The Winter 2010 issue of The Earth Scientist includes a variety of educational resources, ranging from astronomy to glaciers. Check out the other publications and classroom materials in our online store.
This is a crystal of olivine within the igneous rock basalt.
Click on image for full size
Image from: Andrew Alden, About.com Geology Guide

Olivine

The mineral that is green is called olivine!

Look for it in igneous and metamorphic rocks. In this picture, olivine is filling a hole in the igneous rock.


Last modified April 16, 2003 by Lisa Gardiner.

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The Fall 2010 issue of The Earth Scientist, focuses on rocks and minerals, including articles on minerals and mining, the use of minerals in society, and rare earth minerals, and includes 3 posters!

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Bowen's Reaction Series

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The Stardust mission to a comet

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Mica Minerals

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Feldspar

This is a feldspar mineral! Look for it in igneous rocks where it looks like white or pink crystals. You might find it in other types of rocks as well. ...more

Olivine

The mineral that is green is called olivine! Look for it in igneous and metamorphic rocks. In this picture, olivine is filling a hole in the igneous rock. ...more

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