# Mohs scale of mineral hardness

> qualitative ordinal scale characterizing scratch resistance of various minerals

**Wikidata**: [Q41472](https://www.wikidata.org/wiki/Q41472)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Mohs_scale)  
**Source**: https://4ort.xyz/entity/mohs-scale-of-mineral-hardness


## References

1. Freebase Data Dumps. 2013
2. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)