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Augite Mineral
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Augite Mineral. Heavy, green to black pyroxene mineral. Found in igneous rocks like gabbro and basalt and some metamorphic rocks. Gray to green streak. Glassy to resinous luster. 5 to 6 on Mohs hardness scale. Each mineral sample is approximately 1-2 inches in length and width. An information card with details on the minerals formation, characteristics and uses is included.