Facts
- Chemical formula
- NaMn²⁺₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃F
- Crystal system
- Trigonal
- Mohs hardness
- 7.0
- Number of elements
- 8
- IMA status
- Approved
- Type locality
- San Piero in Campo
- Named after
- Fluorine
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19833683