Facts
- Chemical formula
- Ca₁₉(Al,Mg,Fe²⁺)₁₃(Si₂O₇)₄(SiO₄)₁₀O(F,OH)₉
- Crystal system
- Tetragonal
- Mohs hardness
- 6.0
- Density
- 3.43 g/cm³
- Number of elements
- 8
- IMA status
- Approved
- Type locality
- Lupikko iron mine
- Named after
- Fluorine
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1434223