Where it forms, where it's found
- Geological setting
Infilling of ironstone fractures.
- Type locality
- Old Lodge Pit
- Irchester
- Wellingborough
- Northamptonshire
- England
- UK
52.2738°, -0.6621°
13recorded occurrences
Physical
- Transparency
- Transparent · Translucent
- Colour
- White
- Streak
- White
- Fracture
- Conchoidal
Crystallography
- Cell parameters
- a = 14.911(5) Å · b = 9.993(2) Å · c = 13.640(5) Å
- Cell angles
- β = 112.40(4) °
- Ratio a:b:c
- 1 : 0.670 : 0.915
- Type-locality form
White, plastic, clay-like masses.
- Comment
Space group and Z not determined.
Chemical composition
Synonyms
- Hydrobasaluminiet
In other languages
- German
- Hydrobasaluminit
- Italian
- Hydrobasaluminite · Idrobasalluminite · Idrobasaluminite
Classification
Strunz
10th ed.7.DE.60
- 7SulfatesClass
- 7.DSulfates (selenates, etc.) with additional anions, with H2ODivision
- 7.DEWith only medium-sized cations; unclassifiedGroup
- 7.DE.60HydrobasaluminiteSpecies
Dana
8th ed.31.04.06.01
- 31Hydrated Sulfates Containing Hydroxyl or HalogenClass
- 31.04(AB)4(XO4)Zq·xH2OType
- 31.04.06— unnamed intermediate level —Group
- 31.04.06.01HydrobasaluminiteSpecies
CIM
—25.6.10
- 25SulphatesClass
- 25.6Sulphates of Al and TlGroup
- 25.6.10HydrobasaluminiteSpecies
Literature, links & citation
Citations
- 1948Fleischer, M. (1948) New mineral names. American Mineralogist: 33: 786-787.
- 1948BANNISTER, F. A., HOLLINGWORTH, S. E. (1948) Two New British Minerals. Nature, 162 (4119). 565 doi:10.1038/162565a0DOI: 10.1038/162565a0
- 1950Hollingworth, S. E., Bannister, F. A. (1950) Basaluminite and hydrobasaluminite, two new minerals from Northamptonshire. Mineralogical Magazine and Journal of the Mineralogical Society, 29 (208) 1-17 doi:10.1180/minmag.1950.029.208.03 DOI: 10.1180/minmag.1950.029.208.03
- 1951Fleischer, M. (1951) New mineral names. American Mineralogist, 36 (3-4). 381-384
- 1951Palache, Charles; Berman, Harry; Frondel, Clifford (1951) The System of Mineralogy (7th ed.) Vol. 2 - Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons.
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Hydrobasaluminite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/hydrobasaluminite-1965},
note = {Accessed 2026-05-11}
}