Hydrombobomkulite Mineral Data (original) (raw)

General Hydrombobomkulite Information

Help on Chemical Formula: Chemical Formula:

(Ni,Cu)Al4(NO3,SO4)2(OH)12•14(H2O)

Help on Composition: Composition:

Molecular Weight = 765.17 gm

Aluminum 14.10 % Al 26.65 % Al2O3

Copper 2.08 % Cu 2.60 % CuO

Nickel 5.75 % Ni 7.32 % NiO

Hydrogen 5.27 % H 47.09 % H2O

Sulfur 2.10 % S 5.23 % SO3

Nitrogen 2.75 % N 10.59 % N2O5

Oxygen 67.96 % O

______ ______

100.00 % 99.48 % = TOTAL OXIDE

Help on Empirical Formula: Empirical Formula:

Ni0.75Cu0.25Al4(NO3)1.5(SO4)0.5(OH)12•14(H2O)

Help on Environment: Environment:

Friable nodules in allophane before rapid dehydration to mbobomkulite.

Help on IMA Status: IMA Status:

Approved IMA 1980

Help on Locality: Locality:

Mbobo Mkulu cave, Nelspruit district, South Africa. Link to MinDat.org Location Data.

Help on Name Origin: Name Origin:

Named as the hydrated version of mbobomkulite.

Help on Name Pronunciation: Name Pronunciation:

Hydrombobomkulite + Pronunciation Say HYDROMBOBOMKULITE

Search for Hydrombobomkulite Images

Click Here To Search Images:

Hydrombobomkulite Crystallography

Help on Axial Ratios: Axial Ratios:

a:b:c =0.5913:1:1.2165

Help on Cell Dimensions: Cell Dimensions:

a = 10.145, b = 17.155, c = 20.87, Z = 8; beta = 90.55° V = 3,632.00 Den(Calc)= 2.80

Help on Crystal System: Crystal System:

MonoclinicSpace Group: Unk

Help on X Ray Diffraction: X Ray Diffraction:

By Intensity(I/Io): 10.45(1), 5.229(0.5), 3.485(0.3),

Physical Properties of Hydrombobomkulite

Help on Cleavage: Cleavage:

{001} Perfect

Help on Color: Color:

Sky blue.

Help on Habit: Habit:

Nodular - Tuberose forms having irregular protuberances over the surface.

Help on Habit: Habit:

Powdery - Forms a loose, poorly-coherent pulverulent mass.

Help on Streak: Streak:

light blue

Optical Properties of Hydrombobomkulite

Help on Optical Data: Optical Data:

Biaxial (?)

NCalc= 1.75 - from Gladstone-Dale relationship (KC = 0.2675) where Ncalc=Dcalc*KC+1

Calculated Properties of Hydrombobomkulite

Help on Electron Density: Electron Density:

Bulk Density (Electron Density)=2.92 gm/cc
note: Specific Gravity of Hydrombobomkulite =2.80 gm/cc.

Help on Fermion Index: Fermion Index:

Fermion Index = 0.02
Boson Index = 0.98

Help on Photoelectric: Photoelectric:

PEHydrombobomkulite = 3.71 barns/electron
U=PEHydrombobomkulite x rElectron Density= 10.83 barns/cc.

Help on Radioactivity: Radioactivity:

GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Hydrombobomkulite is Not Radioactive

Hydrombobomkulite Classification

Help on Dana Class: Dana Class:

19.01.04.02 (19)Nitrates - Hydroxyl or Halogen

(19.01)with miscellaneous formulae

(19.01.04)Mbobomkulite Group

19.01.04.01 Mbobomkulite (Ni,Cu)Al4(NO3,SO4)2(OH)12•3(H2O) P 21 2

19.01.04.02 Hydrombobomkulite (Ni,Cu)Al4(NO3,SO4)2(OH)12•14(H2O) Unk Mono

Help on Strunz Class: Strunz Class:

05.ND.15 05 - CARBONATES (NITRATES)

05.N - NITRATES

05.ND -With OH (etc.) and H2O

05.ND.15 Hydrombobomkulite (Ni,Cu)Al4(NO3,SO4)2(OH)12•14(H2O) Unk Mono

Other Hydrombobomkulite Information

Help on References: References:

NAME( Dana8) PHYS. PROP.(Dana8)

Help on See Also: See Also:

Links to other databases for Hydrombobomkulite :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Ecole des Mines de Paris
5 - GeoScienceWorld
6 - Google Images
7 - Google Scholar
8 - Handbook of Mineralogy (MinSocAm)
9 - Handbook of Mineralogy (UofA)
10 - MinDAT
11 - Mineralienatlas (Deutsch)
12 - Online Mineral Museum
13 - QUT Mineral Atlas
14 - Ruff.Info

Search for Hydrombobomkulite using:

[AOL] [Bing] [Dog Pile] [GeoScienceWorld] [HotBot] [Ixquick] [Lycos] [MAMMA] [Scirus] [Teoma] [WebCrawler] [Wikipedia] [YAHOO]

Visit our Advertisers for Hydrombobomkulite :

A Bijoux Google Search for Hydrombobomkulite
Adam's Minerals Google Search for Hydrombobomkulite
Cape Minerals Google Search for Hydrombobomkulite
Dakota Matrix Minerals Google Search for Hydrombobomkulite
Excalibur Mineral Corp. Google Search for Hydrombobomkulite
Exceptional Minerals Google Search for Hydrombobomkulite
John Betts Fine Minerals Search for Hydrombobomkulite
McDougall Minerals Google Search for Hydrombobomkulite
Mineral News Website Link
Rock and Mineral Shows Google Search for Hydrombobomkulite
Weinrich Minerals, Inc. Google Search for Hydrombobomkulite

Ask about Hydrombobomkulite here :
Ask-A-Mineralogist from the Mineralogical Society of America
Mindat.org's Discussion Groups
Original Rockhounds Discussion Group
Rockhounds Discussion Group on Yahoo Groups
Mineral Discussion Forum from Fabre Minerals - also available in Espa�ol

Print or Cut-and-Paste your Hydrombobomkulite Specimen Label here :

Hydrombobomkulite

(Ni,Cu)Al4(NO3,SO4)2(OH)12•14(H2O)
Dana No: 19.01.04.02 Strunz No: 05.ND.15
Locality:

Notes: