Crystal Pyrite
Its name comes from one of the two common crystal forms of pyrite, the other one being cubical.
Cubic pyrite |
Pyritohedral |
Ho-Mg-Zn quasicrystal |
Read more about this topic: Pyritohedron
Famous quotes containing the word crystal:
“Opinionated writing is always the most difficult ... simply because it involves retaining in the cold morning-after crystal of the printed word the burning flow of molten feeling.”
—Gavin Lyall (b. 1932)