# calvertite

> sulfosalt mineral

**Wikidata**: [Q17333759](https://www.wikidata.org/wiki/Q17333759)  
**Source**: https://4ort.xyz/entity/calvertite


## References

1. The IMA List of Minerals (September 2019)
2. Calvertite, Cu5Ge0.5S4, a new mineral species from Tsumeb, Namibia
3. The IMA List of Minerals (February 2013)
4. New minerals approved in 2006. Nomenclature modifications approved in 2006
5. IMA–CNMNC approved mineral symbols