Facts
- Chemical formula
- (Ca,K,Na)₂₋ₓ(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·4H₂O
- Number of elements
- 8
- IMA status
- Approved
- Type locality
- Hackman valley
- Named after
- Calcium
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3999940
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q3999940