Facts
- Chemical formula
- Na₄BeAlSi₄O₁₂Cl
- Crystal system
- Tetragonal
- Mohs hardness
- 4.0
- Density
- 2.46 g/cm³
- Number of elements
- 6
- IMA status
- Approved
- Type locality
- Tunulliarfik fjord
- Named after
- Tugtup Agtakôrfia
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q415135