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Orthorhombic system. 

Orthorhombic system. 

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Figure 1. Timaeus [3]. 
Figure 2. The 24-cell. 
Figure 3. Cubic system. 
Figure 4. Hexagonal system. 
+7 Figure 5. Tetragonal system. 
Platonic solids and their connection to garnets
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  • Mar 2012
Our aim is to give a brief historical overview of regular Platonic solids from Pythagoras to Plato. In Plato's dialogue " Timaeus " the association of each of the four classical elements (earth, air, water and fire) with a regular Platonic solid is written down. We present a summary of the Platonic solids (the cube, the octahedron, the tetrahedron,...
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