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Small Icosahedron - Tutorial 8

The dodecahedron and the icosahedron are closely related. In mathematics, they are called each others dual.

When you connect the centers of the 12 faces of a dodecahedron, then you get an icosahedron inside that dodecahedron. When you connect the centers of the 20 faces of an icosahedron, then you get a dodecahedron inside that icosahedron. 

In nature, it is very rare that crystals appear in the form of an icosahedron.  The icosahedron that is sometimes formed by pyrite is known as a Pseudo-icosahedron. Crazy, right? 🤯If this blows your mind, check out pyritohedral symmetry. 

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  • 120 Nanodots®
  • Difficulty Level: Easy (3 out of 10)

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