Twinned cubes

| View Cart ⇗ | Info

“A penetration twin, since the two individuals interpenetrate each other.” — Ford, 1912

Source

William E. Ford Dana's Manual of Mineralogy (New York: John Wiley and Sons, Inc, 1912) 16

Downloads

TIFF (full resolution)

2180×2400, 745.0 KiB

Large GIF

930×1024, 88.5 KiB

Medium GIF

581×640, 46.6 KiB

Small GIF

290×320, 18.4 KiB