Facts
- Chemical formula
- ☐Ca₂(Mg₃Al₂)Si₆Al₂O₂₂(OH)₂
- Crystal system
- Monoclinic
- Mohs hardness
- 5.5
- Number of elements
- 6
- IMA status
- Redefined
- Named after
- Gustav Tschermak von Seysenegg
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q1070842