Octahedron and trisoctahedron

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“A combination of a trisoctahedron and an octahedron. It will be noted that the faces of the trisoctahedron bevel the edges of the ocrahedron.” — Ford, 1912


William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 22


TIFF (full resolution)

2400×2492, 495.5 KiB

Large GIF

986×1024, 58.4 KiB

Medium GIF

616×640, 27.1 KiB

Small GIF

308×320, 12.3 KiB