Where it forms, where it's found
- Type locality
- Carr Boyd Rocks Ni mine
- Menangina Station
- Menzies Shire
- Western Australia
- Australia
-30.0668°, 121.6269°
4recorded occurrences
Physical
- Transparency
- Translucent
- Colour
- Pale yellowish green to pale green
In transmitted light, colorless to pale green.
- Density
- 2.43 g/cm³
Optical
- Optical type
- Biaxial (-) · 2V measured = 60 – 70° · 2V calc = 64°
- Refractive index
- 1.513 – 1.52
- Surface relief
- Moderate
- Principal indices
- nα 1.513 · nβ 1.518 · nγ 1.52
- Dispersion
- strong
Δ = 0Δmax
PPLpleochroism per grain
XPLindependent extinctions · rotate the stage
PPLpleochroism only · colour blends on rotation
XPLinterference colour · extinct every 90°
Retardation70 nm
Order1st order
XPL colour
Crystallography
- Space group
- P21/a
- Cell parameters
- a = 10.87 Å · b = 8.07 Å · c = 5.46 Å
- Cell angles
- β = 100.72 °
- Ratio a:b:c
- 1 : 0.742 : 0.502
- Z
- 2
- Type-locality form
As flat crystallites, to 150 µm; with smooth forms, perhaps rounded by solution, in efflorescences
- Comment
Space group by analogy to bloedite
Chemical composition
Synonyms
- IMA1976-014
- Nickel astrakanite
- Nickelastrakanite
- Nickelblödiet
In other languages
- German
- IMA 1976-014 · Nickelblödit
- Italian
- Nickelblödite
- Chinese
- 钠镍矾
Classification
Strunz
10th ed.7.CC.50
- 7SulfatesClass
- 7.CSulfates (selenates, etc.) without additional anions, with H2ODivision
- 7.CCWith medium-sized and large cationsGroup
- 7.CC.50NickelblöditeSpecies
Dana
8th ed.29.03.03.02
- 29Hydrated Acid and Normal SulfatesClass
- 29.03A2B(XO4)2·xH2OType
- 29.03.03Blodite GroupGroup
- 29.03.03.02NickelblöditeSpecies
CIM
—25.12.7
- 25SulphatesClass
- 25.12Sulphates of Co and NiGroup
- 25.12.7NickelblöditeSpecies
Group, growth & confusion
Literature, links & citation
Citations
- 1977Fleischer, Michael, Pabst, Adolf, Mandarino, J. A., Chao, George Y. (1977) New mineral names. American Mineralogist, 62 (9-10) 1057-1061
- 1977Nickel, E. H., Bridge, P. J. (1977) Nickelblödite, Na2Ni(SO4)2·4H2O, a new mineral from Western Australia. Mineralogical Magazine, 41 (317) 37-41 doi:10.1180/minmag.1977.041.317.06 DOI: 10.1180/minmag.1977.041.317.06
- 2005(2005) Nickelblödite. Handbook of Mineralogy. Mineralogical Society of America
- 2006Díaz de Vivar, M. Enriqueta; Baggio, Sergio; Garland, María Teresa; Baggio, Ricardo (2006) Disodium nickel bis(sulfate) tetrahydrate: a nickel astrakanite. Acta Crystallographica Section E Structure Reports Online, 62 (9). i196-i198 doi:10.1107/s1600536806033022DOI: 10.1107/s1600536806033022
- 2017Marinova, Delyana M., Zhecheva, Ekaterina N., Kukeva, Rositsa R., Markov, Pavel V., Nihtianova, Diana D., Stoyanova, Radostina K. (2017) Mixed sodium nickel-manganese sulfates: Crystal structure relationships between hydrates and anhydrous salts. Journal of Solid State Chemistry, 250. 49-59 doi:10.1016/j.jssc.2017.03.015DOI: 10.1016/j.jssc.2017.03.015
Cite this entry
@misc{mineral2026,
author = {Mineral Index editorial board},
title = {Nickelblödite — Mineral Index},
year = {2026},
url = {https://mineralindex.org/minerals/nickelblodite-2890},
note = {Accessed 2026-05-11}
}