# bituminous coal

> often greasy, shiny, combustible organic sedimentary rock that consists of more than 75 per cent carbon by weight

**Wikidata**: [Q732607](https://www.wikidata.org/wiki/Q732607)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Bituminous_coal)  
**Source**: https://4ort.xyz/entity/bituminous-coal


## References

1. [Source](https://www.geoberuf.de/index.php/derbdg-2/gestein-des-jahres.html?start=12)
2. [Source](https://www.worldcoal.org/basic-coal-facts)
3. BabelNet
4. UMLS 2023
5. [Source](https://www.treccani.it/enciclopedia/carbone/)
6. Quora
7. [Source](https://encyklopedia.pwn.pl/haslo/wegiel-kamienny;3995105.html)
8. GF WordNet
9. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)