Dodecahedron, trapezohedron and hexoctahedron Small 310×320 Medium 620×640 Large 992×1024 Download Tiff Original 2325×2400 | (413.7 KB) Description "A combination of of dodecahedron, trapezohedron, and hexoctahedron." — Ford, 1912 Keywords dodecahedron, geology, geometry, hexoctahedron, trapezohedron Galleries Combination Forms Source: William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 23
