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Hydrombobomkulite

A valid IMA mineral species
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ⓘMbobo Mkulu Cave, Mbombela, Mbombela Local Municipality, Ehlanzeni District Municipality, Mpumalanga, South Africa
See alsombobomkulite. Dehydrates rapidly (hours) to mbobomkulite.


Unique Identifiers
IMA Formula:
(Ni,Cu)Al4(NO3,SO4)2(OH)12 · 14H2O
Approval year:
1979
First published:
1980
Type description reference:
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): 1-10.

Classification of Hydrombobomkulite

5 : CARBONATES (NITRATES)
N : NITRATES
D : With OH (etc.) and H2O
Dana 7th ed.:
19.2.4.2
Dana 8th ed.:
19.1.4.2

19 : NITRATES CONTAINING HYDROXYL OR HALOGEN
1 : Anhydrous Nitrates Containing Hydroxyl or Halogen
Hey's CIM Ref.:
13.12

13 : Nitrates

Mineral Symbols

Crystallography of Hydrombobomkulite
General Appearance of Type Material:
Sky-blue, friable nodules in a matrix of powdery allophane
Place of Conservation of Type Material:
Museum of the Geological Survey, Pretoria, South Africa
Geological Setting of Type Material:
Cave in dolomite below chert
Associated Minerals at Type Locality:
AllophaneMbobomkuliteNickelalumite
Reference:
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): 1-10.

Synonyms of Hydrombobomkulite

Other Language Names for Hydrombobomkulite

Relationship of Hydrombobomkulite to other Species

Related Minerals -Strunz-mindat GroupingOrth.mmm(2/m2/m2/m)5.ND.10Mbobomkulite(Ni,Cu)Al4((NO3)2,SO4)(OH)12 · 3H2OMon. 2 :P215.ND.20Sveite(K3-x◻x)Al8(NO3)6O8Cl4 · nH2OMon.5.ND.25LislkirchneritePb6Al(OH)8Cl2(NO3)5 · 2H2OMon. 2/m

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    • References for HydrombobomkuliteⓘMbobo Mkulu Cave (TL)Martini (1980)+1 other reference
    USA
     
    Vochten et al. (2001)
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