Wikimedi'Òc

Brockhaus and Efron Encyclopedic Dictionary b48 863-5.jpg - ButkoBot

Modell, Kristallform Deltoiddodekaeders -Krantz- (2).jpg - Watchduck

Modell, Kristallform Deltoiddodekaeders -Krantz-.jpg - David Ludwig

Rhombic dodecahedron tetrahedral.png - Tomruen

Perspectiva Corporum Regularium 37a.jpg - Watchduck

Meyers b10 s0232 b5.png - Watchduck

Brockhaus chrystal shapes (Krystalle. I.); 18-20 (tetrahedral).jpg - Watchduck