Facts
- Chemical formula
- Zn₂SiO₄
- Crystal system
- Trigonal
- Mohs hardness
- 5.5
- Density
- 4.25 g/cm³
- Number of elements
- 3
- IMA status
- Grandfathered
- Type locality
- Kelmis
- Named after
- William I of the Netherlands
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q409139