# Ryoichi Sadanaga

> Japanese mineralogist (1920-2002)

**Wikidata**: [Q17362491](https://www.wikidata.org/wiki/Q17362491)  
**Source**: https://4ort.xyz/entity/ryoichi-sadanaga


## References

1. Sadanagaite and magnesio-sadanagaite, new silica-poor members of calcic amphibole from Japan
2. Virtual International Authority File
3. CiNii Research
4. [Source](https://www.japan-acad.go.jp/en/members/bukko/s_gyo.html)