Positive rhombohedron

| View Cart ⇗ | Info

“The rhombohedron is a form consists of six rhombic-shaped faces, which correspond in their position to the alternate faces of a hexagonal pyramid of the first order. There may be two different orientations of rhombohedron. A positive rhombohedron is shown.” — Ford, 1912

Source

William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 42

Downloads

TIFF (full resolution)

2400×1794, 259.9 KiB

Large GIF

1024×765, 35.3 KiB

Medium GIF

640×478, 18.5 KiB

Small GIF

320×239, 8.4 KiB