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Space group 62 · Pnma

Olivine · orthorhombic

╌ Non-symmorphic · repeats by rotating and sliding
Number
62
Symbol
Pnma
Full symbol
P 2_1/n 2_1/m 2_1/a
Schoenflies
\Gamma_oD_{2h}^{16}
Crystal system
orthorhombic
Point group
2/m 2/m 2/m (mmm) ·
Lattice
P · Primitive
Symmorphic
No
Glide / screw
2_1,n,a
Examples
Forsterite, Fayalite, Aragonite, Baryte