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Geometric names of the family

Crystal cell names

Length parameters

Angular parameters

E2

oblique

parallelogramm

2

1

E3

triclinic

oblique parallelepipede

3

3

E4

hexaclinic

«maxiclinic» parallelotope

4

6

E5

decaclinic

5

10

E6

pentadiclinic

6

15