Input interpretation
népouite (mineral) | crystal system | howlite (mineral) | crystal system
Result
orthorhombic | monoclinic
Basic properties
| orthorhombic | monoclinic crystal families | orthorhombic | monoclinic required symmetries | 3 2-fold rotation axes or 1 2-fold rotation axis and 2 mirror planes | 1 2-fold rotation axis or 1 mirror plane Bravais lattices | 4 | 2 point groups | 3 | 3 space groups | 59 | 13
Lattice properties
| orthorhombic | monoclinic lattice systems | orthorhombic | monoclinic Bravais lattices | simple orthorhombic | base orthorhombic | body-centered orthorhombic | face-centered orthorhombic | simple monoclinic | base-centered monoclinic angle relations | α = β = γ = 90° | α!=90°, β = γ = 90° edge relations | a!=b!=c | a!=b!=c unit cell volume | a b c | a b c sin(α)
Corresponding symmetry groups
| orthorhombic | monoclinic crystal class | orthorhombic sphenoidal | orthorhombic pyramidal | orthorhombic bipyramidal | sphenoidal | domatic | prismatic Schönflies point groups | {D_2, C_2v, D_2h} | {C_2, C_s, C_2h} Hermann-Mauguin point groups | 222 | mm2 | mmm | 2 | m | 2/m IUCr space group number | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | ... (total: 59) | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ... (total: 13) Hermann-Mauguin space groups | P222 | P222_1 | P2_12_12 | P2_12_12_1 | C222_1 | C222 | F222 | I222 | I2_12_12_1 | Pmm2 | ... (total: 59) | P2 | P2_1 | C2 | Pm | Pc | Cm | Cc | P2/m | P2_1/m | C2/m | ... (total: 13)