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brucite




brucite
A mineral form of magnesium hydroxide (Mg3(OH)6), derived from periclase. The crystals are either glassy or waxy, can be white, pale green, gray, or blue, and occur in fibrous masses or plate aggregates. Brucite is found in serpentine, schists, and other metamorphic rocks. It is used to make magnesia refractory materials.


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   • GEOLOGY AND PLANETARY SCIENCE