Mineralogy Database

Jamborite Mineral Data

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General Jamborite Information

Help on Chemical  Formula: Chemical Formula: (Ni++,Ni+++,Fe)(OH)2(OH,S,(H2O))
Help on Composition: Composition: Molecular Weight = 111.03 gm
   Iron       5.03 %  Fe    6.47 % FeO
   Nickel    47.57 %  Ni   33.63 % NiO / 29.79 % Ni2O3
   Hydrogen   2.72 %  H    24.34 % H2O
   Sulfur     2.89 %  S     2.89 % S2-
               -   %  S    -1.44 % -O=S 
   Oxygen    41.79 %  O
            ______        ______ 
            100.00 %       95.68 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: Ni0.5Ni0.4Fe2+0.1(OH)2.8S0.1(H2O)0.1
Help on Environment: Environment: In cavities in ophiolitic rock. An alteration of millerite.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: Montescuto Ragazza near Bologna and at Casteluccio di Moscheda near Modena, Italy Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: Named for John L. Jambor, (1936-), mineralogist, Geological Survey of Canada.
Help on Name Pronunciation: Name Pronunciation: Jamborite + Pronunciation Say JAMBORITE
Help on Synonym: Synonym: IMA1971-037

Jamborite Image

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Comments: Green coatings of jamborite on millerite filaments, in vug.
Location: Halls Gap, Lincoln County, Kentucky, USA. Scale: See Photo.
© Jeff Weissman / Photographic Guide to Mineral Species

Jamborite Crystallography

Help on Axial Ratios: Axial Ratios: a:c = 1:7.58957
Help on Cell Dimensions: Cell Dimensions: a = 3.07, c = 23.3, Z = 3; V = 190.18 Den(Calc)= 2.91
Help on Crystal System: Crystal System: Hexagonal Space Group: Unk
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 7.78(1), 2.592(0.6), 1.53(0.5),3.98(0.4), 1.5(0.3), 1.321(0.1), 2.32(0.1),

Physical Properties of Jamborite

Help on Cleavage: Cleavage: {???} Perfect
Help on Color: Color: Green.
Help on Density: Density: 2.67
Help on Habit: Habit: Fibrous - Crystals made up of fibers.
Help on Habit: Habit: Lamellar - Thin laminae producing a lamellar structure.
Help on Habit: Habit: Microscopic Crystals - Crystals visible only with microscopes.

Optical Properties of Jamborite

Help on Gladstone-Dale: Gladstone-Dale: CI meas= 0.112 (Poor) - where the CI = (1-KPDmeas/KC)
CI calc= 0.186 (Poor) - where the CI = (1-KPDcalc/KC)
KPDcalc= 0.2077,KPDmeas= 0.2264,KC= 0.2551
Ncalc = 1.68 - 1.74
Help on Optical Data: Optical Data: Uniaxial (-), e=1.602, w=1.607, bire=0.0050.

Calculated Properties of Jamborite

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=2.67 gm/cc
note: Specific Gravity of Jamborite =2.67 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0068631642
Boson Index = 0.9931368358
Help on Photoelectric: Photoelectric: PEJamborite = 20.16 barns/electron
U=PEJamborite x rElectron Density= 53.91 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Jamborite is Not Radioactive

Jamborite Classification

Help on  Dana Class: Dana Class: (06)Hydroxides and Oxides Containing Hydroxyl
  (06.03)with (OH)3 or (OH)6 groups
  (06.03.08)Dana Group Jamborite (Ni,Ni,Fe)(OH)2(OH,S,(H2O)) Unk Hex
Help on  Strunz Class: Strunz Class: 04.FL.05 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FL -Hydroxides with H2O � (OH); sheets of edge-sharing octahedra
04.FL.05 Akdalaite 5(Al2O3)•(H2O) P 63mc 6mm
04.FL.05 Meixnerite Mg6Al2(OH)18•4(H2O) R 3m 3 2/m
04.FL.05 Jamborite (Ni,Ni,Fe)(OH)2(OH,S,(H2O)) Unk Hex
04.FL.05 Iowaite Mg4Fe(OH)8OCl•2-4(H2O) R 3m 3 2/m
04.FL.05 Muskoxite Mg7Fe4O13•10(H2O) Unk (pseudo HEX-R) Trig
04.FL.05 Woodallite! Mg6Cr2(OH)16Cl2•4(H2O) R 3m 3 2/m

Other Jamborite Information

Help on References: References: NAME( Dana8) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(Enc. of Minerals,2nd ed.,1990)
Help on See Also: See Also: Links to other databases for Jamborite :
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

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Dana No: Strunz No: 04.FL.05





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