Facts
- Chemical formula
- {Ca₂}{Al₂Fe³⁺}(Si₂O₇)(SiO₄)O(OH)
- Crystal system
- Monoclinic
- Number of elements
- 6
- IMA status
- Grandfathered
- Type locality
- Le Bourg-d'Oisans
- Named after
- addition
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q272844
Minerals named after this one · 1
| Mineral | Chemical formula | Crystal system | Mohs hardness | Density |
|---|---|---|---|---|
| Hancockite | CaPb(Al₂Fe³⁺)[Si₂O₇][SiO₄]O(OH) | Monoclinic | — | — |