Record 48/82 Catalog Record Permanent Collection Exhibit Page Home Search Image 1 of 3 Description  Amethyst quartz crystal from broken geode. Amethyst color is caused by the inclusion of trace amounts of ferric iron. Quartz is one of the commonest minerals of the earth's crust. It crystallizes directly from igneous magma.

Quartz - Our Entire Permanent Collection - Copyright your Museum 001\P6260012.JPG COPYRIGHT INFORMATION ~ For access to this image, contact the Museum.

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Last modified on: December 16, 2003