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Minerals »
Augite
Augite - Mineral Properties and Uses |
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What is Augite? |
Augite is a rock-forming silicate mineral of the pyroxene group. It is an important mineral in many basic igneous rocks. |
Uses |
There are no significant commercial uses of augite. |
Color |
dark green to black |
Streak |
white to gray, sligntly harder than a streak plate so brittle fragments rather than a powder might be produced |
Luster |
vitreous |
Diaphaneity |
translucent to opaque |
Cleavage |
prismatic |
Hardness |
5.5 - 6 |
Specific Gravity |
3.2 - 3.6 |
Distinguishing
Characteristics |
two cleavage directions almost at right angles, dark green to black color |
Crystal System |
monoclinic |
Chemical Classification |
silicate |
Chemical Composition |
a complex silicate - (Ca,Na)(Mg,Fe,Al)(Si,Al)2O6 |
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More Information About Minerals!
Mineral photographs that appear on this page with a Geology.com copyright mark are property of Geology.com and may not be used beyond our website. If you like these photos and would like to share them with others please link to this page or email its URL. The photos were taken and composed by Ann Bryant.
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