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Hydrombobomkulite

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Formula:
(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 13-14H2O
Crystal System:
Monoclinic
See also mbobomkulite.


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Classification of HydrombobomkuliteHide

Approved
Approval Year:
1979
5.ND.15

5 : CARBONATES (NITRATES)
N : NITRATES
D : With OH (etc.) and H2O
Dana 7th ed.:
19.2.4.2
19.1.4.2

19 : NITRATES CONTAINING HYDROXYL OR HALOGEN
1 : Anhydrous Nitrates Containing Hydroxyl or Halogen
13.12

13 : Nitrates

Optical Data of HydrombobomkuliteHide

Type:
Biaxial
Dispersion:
r > v strong

Chemical Properties of HydrombobomkuliteHide

Formula:
(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 13-14H2O
IMA Formula:
(Ni,Cu)Al4(NO3)2(SO4)(OH)12 · 14H2O
Idealised Formula:
NiAl4(NO3)2(OH)12 · 13-14H2O

Crystallography of HydrombobomkuliteHide

Crystal System:
Monoclinic
Cell Parameters:
a = 10.14 Å, b = 17.15 Å, c = 20.78 Å
β = 90.55°
Ratio:
a:b:c = 0.591 : 1 : 1.212
Unit Cell V:
3,613.50 ų (Calculated from Unit Cell)

Type Occurrence of HydrombobomkuliteHide

Synonyms of HydrombobomkuliteHide

Other Language Names for HydrombobomkuliteHide

Simplified Chinese:水硫硝镍铝石
Traditional Chinese:水硫硝鎳鋁石

Relationship of Hydrombobomkulite to other SpeciesHide

Structurally related to group(s):
Chalcoalumite GroupA group of metal(II)-Al-sulphates, with additional anions in some species.

Related Minerals - Nickel-Strunz GroupingHide

5.ND.05LikasiteCu3(NO3)(OH)5 · 2H2OOrth. mmm (2/m 2/m 2/m)
5.ND.10Mbobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 3H2OMon.
5.ND.20SveiteKAl7(NO3)4(OH)16Cl2 · 8H2OMon.

Related Minerals - Dana Grouping (8th Ed.)Hide

19.1.4.1Mbobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 3H2OMon.

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

13.1NitratineNaNO3Trig. 3m (3 2/m) : R3c
13.2NiterKNO3Orth. mmm (2/m 2/m 2/m) : Pmma
13.3GerhardtiteCu2(NO3)(OH)3Orth. 2 2 2 : P21 21 21
13.4NitromagnesiteMg(NO3)2 · 6H2OMon. 2/m
13.5NitrocalciteCa(NO3)2 · 4H2OMon. 2/m
13.6NitrobariteBa(NO3)2Iso. m3 (2/m 3) : Pa3
13.7ButtgenbachiteCu19(NO3)2(OH)32Cl4 · 2H2OHex. 6/mmm (6/m 2/m 2/m) : P63/mmc
13.8SveiteKAl7(NO3)4(OH)16Cl2 · 8H2OMon.
13.9DarapskiteNa3(SO4)(NO3) · H2OMon. 2/m
13.10HumberstoniteNa7K3Mg2(SO4)6(NO3)2 · 6H2OTrig. 3 : R3
13.11Mbobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 3H2OMon.
13.13Nickelalumite(Ni,Cu)Al4(SO4,(NO3)2)(OH)12 · 3H2OMon.

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for HydrombobomkuliteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Martini, J.E.J. (1980) Mbobomkulite, hydrombobomkulite, and nickelalumite, new minerals from Mbobo Mkulu cave, eastern Transvaal. Annals of the Geological Survey of South Africa: 14(2): 1-110 (see: American Mineralogist (1982): 67: 415-416).
American Mineralogist (1982): 67: 415-416.

Internet Links for HydrombobomkuliteHide

Localities for HydrombobomkuliteHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
South Africa (TL)
 
  • Mpumalanga Province
    • Ehlanzeni District
      • Nelspruit
Annal.Geol.Survey S.Africa,(1980) 14, no. 2, 1-110; Martini, J.E.J. et al (1997), "Mbobo Mkulu Cave, South Africa", in "Cave Minerals of the World" (1997)
USA
 
  • Utah
    • San Juan Co.
      • White Canyon District
        • White Canyon
Can Min (2001) 39, 6, 1685-1689
Mineral and/or Locality  
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