Input interpretation
actinolite (mineral) | crystal system | chayesite (mineral) | crystal system
Result
monoclinic | hexagonal
Basic properties
| monoclinic | hexagonal crystal families | monoclinic | hexagonal required symmetries | 1 2-fold rotation axis or 1 mirror plane | 1 6-fold rotation axis Bravais lattices | 2 | 1 point groups | 3 | 7 space groups | 13 | 27
Lattice properties
| monoclinic | hexagonal lattice systems | monoclinic | hexagonal Bravais lattices | simple monoclinic | base-centered monoclinic | simple hexagonal angle relations | α!=90°, β = γ = 90° | α = 90°, γ = 120° edge relations | a!=b!=c | a!=c unit cell volume | a b c sin(α) | 1/2 sqrt(3) a^2 c
Corresponding symmetry groups
| monoclinic | hexagonal crystal class | sphenoidal | domatic | prismatic | hexagonal pyramidal | trigonal dipyramidal | hexagonal dipyramidal | hexagonal trapezoidal | dihexagonal pyramidal | ditrigonal dipyramidal | dihexagonal dipyramidal Schönflies point groups | {C_2, C_s, C_2h} | {C_6, C_3h, C_6h, D_6, C_6v, D_3h, D_6h} Hermann-Mauguin point groups | 2 | m | 2/m | 6 | 6^_ | 6/m | 622 | 6mm | 6^_m2 | 6/mmm IUCr space group number | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | ... (total: 13) | 168 | 169 | 170 | 171 | 172 | 173 | 174 | 175 | 176 | 177 | ... (total: 27) Hermann-Mauguin space groups | P2 | P2_1 | C2 | Pm | Pc | Cm | Cc | P2/m | P2_1/m | C2/m | ... (total: 13) | P6 | P6_1 | P6_5 | P6_262 | P6_464 | P6_3 | P6^_ | P6/m | P6_3/m | P622 | ... (total: 27)