Facts
- Chemical formula
- Ca₂Mn²⁺₅Be₄(AsO₄)₆(OH)₄·6H₂O
- Crystal system
- Monoclinic
- Mohs hardness
- 3.5
- Number of elements
- 6
- IMA status
- Approved
- Type locality
- Fuchs quarry, Hartkoppe
- Named after
- Martin Okrusch
- Colour
- white
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19861100