Facts
- Chemical formula
- Na₂Sr₃Zr(CO₃)₆·3H₂O
- Crystal system
- Triclinic
- Mohs hardness
- 3.5
- Number of elements
- 6
- IMA status
- Approved
- Type locality
- Francon quarry
- Named after
- William Edmond Logan
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1063207