Facts
- Chemical formula
- Ca₆Si₂[(SO₄)₂(SO₃)₂(OH)₁₂]·22H₂O
- Crystal system
- Hexagonal
- Number of elements
- 5
- IMA status
- Approved
- Type locality
- Graulay
- Named after
- Klaus Hielscher
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q19841425