# anthracite

> hard coal with a volatile component (gas) of less than 10 %

**Wikidata**: [Q182458](https://www.wikidata.org/wiki/Q182458)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Anthracite)  
**Source**: https://4ort.xyz/entity/anthracite


## References

1. Freebase Data Dumps. 2013
2. [Source](https://www.worldcoal.org/basic-coal-facts)
3. UMLS 2023
4. Quora
5. GF WordNet
6. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)