# Crystallographic restriction theorem

> theorem about admissible crystal symmetries

**Wikidata**: [Q3527223](https://www.wikidata.org/wiki/Q3527223)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Crystallographic_restriction_theorem)  
**Source**: https://4ort.xyz/entity/crystallographic-restriction-theorem


## References

1. Freebase Data Dumps. 2013