# aphanite

> igneous rocks which are so fine-grained that their component mineral crystals are not detectable by the unaided eye

**Wikidata**: [Q618416](https://www.wikidata.org/wiki/Q618416)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Aphanite)  
**Source**: https://4ort.xyz/entity/aphanite


## References

1. Freebase Data Dumps. 2013
2. GF WordNet