Facts
- Chemical formula
- Mn²⁺₁₄(B₂O₅)₄(OH)₈·(Si,Mg)(O,OH)₄Cl
- Crystal system
- Tetragonal
- Mohs hardness
- 2.5
- Number of elements
- 7
- IMA status
- Grandfathered
- Type locality
- Gonzen iron mine
- Named after
- David Friedrich Wiser
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q4020497