Systems

Merohedries

i

1

2/m

2

m

mmm

222

mm2

4/mmm

422

4mm

4i2m

4m

4

4i

6/mmm

622

6mm

6i2m

6m

6

6i

3im

32

3m

3i

3

m3m

432

4i3m

m3

23

Pi

P1+.

P2.
P2s+.
- - - -
I2.

Pm.
Pb+.
- - -
Im.
Ib+.

P2/m
P2/b
- - -
I2/m
I2/b

P2s/m
P2s/b
- - -

P222
P222s
P2s2s2
P2s2s2s+
 
 
 
 
 
 
 
 

Pmm2.
Pcc2.
Pma2.
Pnc2.
Pnn2.
Pba2.
 
 
 
 
 
 

Pmc2s.
Pmn2s.
Pca2s+.
Pna2s+.

Pmmm"
Pccm
Pban
Pnnn

Pmma
Pmna
Pbam
Pmmn
Pnnm
Pcca
Pnna
Pbcm
Pbcn
Pccn
Pnma
Pbca

- - - - -
C222
C222s
 
 
 
 
 

- - -
Cmm2.
Ccc2.
.....
C2mm.
C2mb.
C2cm.
C2cb.

- - -
Cmc2s.
 
.....

- - -
Cmmm'
Cccm
Cmma
Ccca
 
 
 

- - -
Cmcm
Cmca

- - - - -
I222
I2s2s2s
 

- - -
Imm2.
Ima2.
Iba2.

- - -

- - -
Immm'
Ibam
 

- - -
Imma
Ibca

- - - - -
F222

- - -
Fmm2.
Fdd2

- - -

- - -
Fmmm'
Fddd

- - -

P422
P422s
P4s22
P4s22s
P4r22*
P4r22s*
 
 
 
 
 
 

P4mm.
P4cc.
P4bm.
P4nc.
 
 
 
 
 
 
 
 

P4smc.
P4snm.
P4scm.
P4sbc.

P4i2m
P4i2c
.....
P4im2
P4ic2
P4ib2
P4in2
 
 
 
 
 

P4i2sm
P4i2sc
......

P4/m
P4/n
 
 
 
 
 
 
 
 
 
 

P4s/m
P4s/n

P4.
P4s.
P4r+*
 
 
 
 
 
 
 
 
 

P4i
 
 
 
 
 
 
 
 
 
 
 

P4/mmm"
P4/mcc
P4/nbm
P4/nnc

P4/mbm'
P4/nmm
P4/mnc
P4s/mmc'
P4s/mcm'
P4s/nnm
P4s/mnm'
P4s/nmc
P4/ncc
P4s/nbc
P4s/ncm
P4s/mbc

- - - - -
I422
I4r22

- - -
I4mm.
I4cm.

- - -
I4rmd
I4rcd

- - -
I4i2m
.....
I4im2
I4ic2

- - -
I4i2d
.....

- - -
I4/m

- - -
I4r/a

- - -
I4.
I4r

- - -

- -
I4i

- - -
I4/mmm'
I4/mcm'

- - -
I4r/amd
I4r/acd

P622
P6s22
P6rr22*
P6r22*

P6mm.
P6cc.

P6smc.
P6scm.

P6i2m'
P6i2c
.....
P6i2m"
P6ic2

 
 
......

P6/m

P6s/m

P6.
P6s.
P6rr*
P6r*+

P6i

P6/mmm"
P6/mcc

P6s/mcm'
P6s/mmc'

P3im1
P3ic1
.........
P3i1m
P3i1c

P321
P3r21*
......
P312
P3r12*

P3m1.
P3c1.
.....
P31m.
P31c.

P3i

P3.
P3r*+

R3im
R3ic

R32

R3m
R3c

R3i

R3

P432
P4s32
P4r32*

P4i3m'
P4i3n'
 

Pm3'
Pn3
 

Pa3

P23
P2s3
 

Pm3m"
Pn3n
 

Pm3n'
Pn3m'

- - -
I432
I4r32

- - - - - - -
 
 

- - -
I4i3m'
 

- - -
I4i3d

- - -
Im3'
 

- - -
Ia3

- - -
I23
I2s3

- - -
Im3m'
 

- - -
Ia3d

- - -
F432
F4r32

- - - - - - -

- - -
F4i3m"
F4i3c

- - -

- - -
Fm3'
Fd3

- - -

- - -
F23

- - -
Fm3m"
Fm3c'

- - -
Fd3m'
Fd3c