Input interpretation
![fornacite (mineral) | crystal system](../image_source/4f7c3acff95f86ba18a0c88754086cf8.png)
fornacite (mineral) | crystal system
Result
![monoclinic](../image_source/9fa8aae7541468c4d9bc7b51e9076deb.png)
monoclinic
Basic properties
![crystal family | monoclinic required symmetry | 1 2-fold rotation axis or 1 mirror plane Bravais lattices | 2 point groups | 3 space groups | 13](../image_source/56f1cecf57dbb48012d62d4f2cd23db2.png)
crystal family | monoclinic required symmetry | 1 2-fold rotation axis or 1 mirror plane Bravais lattices | 2 point groups | 3 space groups | 13
Point groups
![crystal class | Schönflies | Hermann-Mauguin sphenoidal | C_2 | 2 domatic | C_s | m prismatic | C_2h | 2/m](../image_source/2a91980309a1da1aec02a230aa7e0131.png)
crystal class | Schönflies | Hermann-Mauguin sphenoidal | C_2 | 2 domatic | C_s | m prismatic | C_2h | 2/m
Space groups
![crystal class | IUCr number | Hermann-Mauguin sphenoidal | 3 | 4 | 5 | P2 | P2_1 | C2 domatic | 6 | 7 | 8 | 9 | Pm | Pc | Cm | Cc prismatic | 10 | 11 | 12 | 13 | 14 | 15 | P2/m | P2_1/m | C2/m | P2/c | P2_1/c | C2/c](../image_source/6c665dd7b88febfb685690b4cb29c830.png)
crystal class | IUCr number | Hermann-Mauguin sphenoidal | 3 | 4 | 5 | P2 | P2_1 | C2 domatic | 6 | 7 | 8 | 9 | Pm | Pc | Cm | Cc prismatic | 10 | 11 | 12 | 13 | 14 | 15 | P2/m | P2_1/m | C2/m | P2/c | P2_1/c | C2/c