Symmetry of pyritohedral class
| View Cart ⇗ | Info
“The symmetry of the Pyritohedral class is as follows: The three crystal axes of binary symmetry; the four diagonal axes, each of which emerges in the middle of the octant, are axes of trigonal symmetry.” — Ford, 1912
Galleries
CrystalsSource
William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 24
Downloads
2400×2315, 524.2 KiB
1024×987, 70.1 KiB
640×617, 36.3 KiB
320×308, 15.7 KiB