Facts
- Chemical formula
- SrB₆O₉(OH)₂·3H₂O
- Crystal system
- Monoclinic
- Number of elements
- 4
- IMA status
- Approved
- Type locality
- Pacific Coast Borax Company
- Named after
- George Tunell
Sources: Wikidata (CC0), IMA list of minerals via Wikidata · Wikidata Q424842