# chalcedony

> microcrystalline varieties of silica, may contain moganite as well

**Wikidata**: [Q170448](https://www.wikidata.org/wiki/Q170448)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Chalcedony)  
**Source**: https://4ort.xyz/entity/chalcedony


## References

1. [Source](https://hedendaagsesieraden.nl/2025/09/07/chalcedoon/)
2. Freebase Data Dumps. 2013
3. Quora
4. [Source](https://encyklopedia.pwn.pl/haslo/chalcedon;3884554.html)
5. KBpedia
6. GF WordNet
7. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)