# Vitrain

> Lithotype of coal

**Wikidata**: [Q7937223](https://www.wikidata.org/wiki/Q7937223)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Vitrain)  
**Source**: https://4ort.xyz/entity/vitrain


## References

1. [Source](https://www.ideals.illinois.edu/bitstream/handle/2142/44908/nomenclatureofme46cady.pdf?sequence=2)