Staurolite Structure

Steven Dutch, Professor Emeritus, Natural and Applied Sciences, Universityof Wisconsin - Green Bay

The staurolite structure consists of oxygen atoms in an approximately cubicclose packing. However, the cation arrangement does do not have cubic symmetry. Thestructure consists of dioctahedral sheets joined by isolated octahedra. Silicatetrahedra fill the gaps between octahedra. A polyhedral model is below.

Below is a ball model of staurolite. Blue atoms are oxygen, yellow and orangeare iron or magnesium, and green are silicon.

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Created 18 September 1998, Last Update 22 September 1999