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Old 17-December-2008, 11:40 AM
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geonuc geonuc is offline
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Quote:
Originally Posted by Robert Tulip View Post
Magnetite has a cubic crystal structure of an octahedron made of two pyramids base-to-base. What I am wondering is how close the shape of magnetite is to the shape of the Great Pyramid, which has slope of ~51.8667 degrees.
Magnetite crystals are isometric. The octahedron form of an isometric crystal has equilateral triangles as faces. If my trigonometry is correct, the 'slope' works out to be 54.74 degrees.
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