Where it forms, where it's found
- Geological setting
high-temperature fumarole collection spot at 670° C.
- Type locality
- Magni crater
- Fimmvörðuháls eruption site
- Rangárþing eystra
- Southern Region
- Iceland
63.6372°, -19.4441°
1recorded occurrences
Crystallography
- Cell parameters
- a = 6.9625(1) Å · b = 9.9953(1) Å · c = 11.0928(2) Å
- Cell angles
- β = 105.637(2) °
- Ratio a:b:c
- 1 : 1.436 : 1.593
- Z
- 4
- Type-locality form
crystals up to about 100 μm in size in compact aggregates grows in white globules of smaller grains on their surface
- Comment
the space group is P21/n
Crystal structure
Chemical composition
Synonyms
- IMA2022-131
- Kristjániet
In other languages
- German
- IMA 2022-131 · Kristjánit
Classification
Strunz
10th ed.7.AD
- 7SulfatesClass
- 7.ASulfates (selenates, etc.) without additional anions, without H2ODivision
- 7.ADWith only large cationsGroup
- 7.ADKristjániteSpecies
Literature, links & citation
Citations
- —2023
- 2023Bosi, Ferdinando; Hatert, Frédéric; Pasero, Marco; Mills, Stuart J. (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 73. European Journal of Mineralogy, 35 (3). 397-402 doi:10.5194/ejm-35-397-2023 DOI: 10.5194/ejm-35-397-2023
- 2024Balić-Žunić, Tonči, Nestola, Fabrizio, Pamato, Martha G., Rasmussen, Maja B. (2024) Kristjánite, KNa2H(SO4)2, a new fumarolic mineral from Iceland containing the [SO4–H–SO4]3– anion in the crystal structure. Mineralogical Magazine, 88 (3). 211-217 doi:10.1180/mgm.2024.4DOI: 10.1180/mgm.2024.4
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Kristjánite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/kristjanite-470777},
note = {Accessed 2026-05-11}
}