Outrageously Funny Word Dictionary :: Pyritohedral

👉 In crystallography, a pyritohedral is a crystal structure where the space group is the same as that of a rhombohedral lattice. This means that all faces are equilateral triangles and each edge length is 1/√3 times the side length of the rhombic face. In other words, it's like having an equal number of rhombus-like faces on opposite sides of a square. Pyritohedral crystals can be found in various minerals such as

pyritohedral