Octahedral Crystal Small 300×320 Medium 599×640 Large 959×1024 Download Tiff Original 2247×2400 | (187.2 KB) Description An illustration of an octahedral crystal. An octahedron is a polyhedron with eight faces. A regular octahedron is a Platonic solid composed of eight equilateral triangles, four of which meet at each vertex. Keywords crystal, eight faces, octahedral, Polyhedron Galleries Crystals Source: Encyclopaedia Britannica (11th ed., vol. 8) (New York, NY: The Encyclopaedia Britannica Company, 1910)
