Six Basic Systems of Crystal Symmetry Flashcards
1
Q
3 equal length axes at right angles
A
Isometric
2
Q
Two equal axes
3rd either longer or shorter
All right angles
A
Tetragonal
3
Q
Three unequal axes
All right angles
A
Orthorhombic
4
Q
3 unequal axes
2 right angles
Third perpendicular to one but oblique to another
A
Monoclinic
5
Q
3 unequal axes
All obique angles
A
Triclinic
6
Q
Three equal axes in same plane
Intersecting at 60 degrees
Fourth perpendicular to plane of other three
A
Hexagonal