Where it forms, where it's found
- Geological setting
Oxidised vein in a nickel arsenic deposit.
A rare secondary mineral in hydrothermal Ni–As–U ore deposits.
- Type locality
- Johanngeorgenstadt
- Erzgebirgskreis
- Saxony
- Germany
50.4358°, 12.7069°
4recorded occurrences
Safety & handling
Physical
Optical
- UV response
- Not fluorescent
Crystallography
- Space group
- R-3m
- Cell parameters
- a = 5.9511(5) Å · c = 27.5676(20) Å
- Z
- 1
- Morphology
Fine-grained crystalline, massive, as crusts, to 2 mm thick.
- Comment
Formerly reported as isometric.
Crystal structure
Chemical composition
Synonyms
- Ærugitt
- Aerugo
In other languages
- French
- Aerugite
- German
- Aerugit
- Italian
- aerugite
- Chinese
- 块砷镍矿
Classification
Strunz
10th ed.8.BC.15
- 8Phosphates, Arsenates, VanadatesClass
- 8.BPhosphates, etc., with additional anions, without H2ODivision
- 8.BCWith only medium-sized cations, (OH, etc.):RO4 > 1:1 and < 2:1Group
- 8.BC.15AerugiteSpecies
Dana
8th ed.41.03.11
- 41Anhydrous Phosphates, Etc.containing Hydroxyl or HalogenClass
- 41.03(AB)3(XO4)ZqType
- 41.03.11— unnamed intermediate level —Group
- 41.03.11AerugiteSpecies
CIM
—20.10.7
- 20Arsenates (also arsenates with phosphate, but without other anions)Class
- 20.10Arsenates of Co and NiGroup
- 20.10.7AerugiteSpecies
Group, growth & confusion
Literature, links & citation
Citations
- —Mineralogical Abstracts: 42(1): 23.
- 1858Bergemann, C. (1858) Ueber einige Nickelerze.- Journal für praktische Chemie [1]: 75: 239-244.
- 1965Fleischer, Michael (1965) New Mineral Names. American Mineralogist, 50 (11-12) 2096-2111
- 1965Davis, R. J., Hey, M. H., Kingsbury, A. W. G. (1965) Xanthiosite and aerugite. Mineralogical Magazine and Journal of the Mineralogical Society, 35 (269) 72-83 doi:10.1180/minmag.1965.035.269.10 DOI: 10.1180/minmag.1965.035.269.10
- 1989Fleet, M. E.; Barbier, J. (1989) Structure of aerugite (Ni₈.₅As₃O₁₆) and interrelated arsenate and germanate structural series. Acta Crystallographica Section B Structural Science, 45 (3). 201-205 doi:10.1107/s0108768189002727DOI: 10.1107/s0108768189002727
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Aerugite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/aerugite-36},
note = {Accessed 2026-05-11}
}