Heterogenite-2H Mineral Data

Heterogenite-2H Mineral Data
Search Webmineral :
   
Home Crystal jmol jPOWD Chem X Ray Dana Strunz Properties A to Z Images       News Help About



[Newest Minerals] [Minerals for Sale] [Educational Articles] [About Us] [Image Gallery]
John Betts - Fine Minerals
Classic minerals, out-of-print books & magazines, plus informative articles for collectors


General Heterogenite-2H Information

Help on Chemical Formula: Chemical Formula: Co+++O(OH)
Help on Composition: Composition: Molecular Weight = 91.94 gm
   Cobalt    64.10 %  Co   90.20 % Co2O3
   Hydrogen   1.10 %  H     9.80 % H2O
   Oxygen    34.80 %  O
            ______        ______ 
            100.00 %      100.00 % = TOTAL OXIDE
Help on Empirical Formula: Empirical Formula: CoO(OH)
Help on Environment: Environment: A weathering product of smaltite, an alteration product of linnaeite, and widespread in residual soils above ultramafic rocks.
Help on IMA Status: IMA Status: Approved IMA 1973
Help on Locality: Locality: Midigi, Shaba, Congo (Zaire). Schneeberg, Sachsen (Saxony), Germany Link to MinDat.org Location Data.
Help on Name Origin: Name Origin: From the Greek for "of another kind", as differing in composition from similar minerals. 2H polytype.
Help on Name Pronunciation: Name Pronunciation: Heterogenite-2H + Pronunciation Say HETEROGENITE-2H
 

Heterogenite-2H Image

Click Here for Larger Heterogenite-2H Image in a New Browser Window Images:
Click Here for Larger Heterogenite-2H Image

Heterogenite-2H

Comments: Shiny black botryoidal heterogenite-2H.
Location: Star of the Congo mine, Katanga, Congo. Scale: 6 cm.
© John Attard

Heterogenite-2H Crystallography
Help on Axial Ratios: Axial Ratios: a:c = 1:3.08406
Help on Cell Dimensions: Cell Dimensions: a = 2.855, c = 8.805, Z = 2; V = 62.15 Den(Calc)= 4.91
Help on Crystal System: Crystal System: Hexagonal - Dihexagonal DipyramidalH-M Symbol (6/m 2/m 2/m) Space Group: P 63/mmc
Help on X Ray Diffraction: X Ray Diffraction: By Intensity(I/Io): 4.39(1), 1.236(0.9), 2.158(0.8),
Click Here for Large Heterogenite-2H Structure Window Crystal Structure:

Mouse
drag1 - LMB Manipulate Structure
drag2 - RMB Resize/Rotate
Keyboard
S - Stereo Pair on/off
H - Help Screen
I - Data Info
A - Atoms On/Off
P - Polyhedra On/Off
B - Bonds On/Off
 Help on Above


Deliens M , Goethals H , Mineralogical Magazine , 39 (1973) p.152-157, Polytypism of heterogenite, Locality: Mindigi, Shaba, Zaire

 

Physical Properties of Heterogenite-2H

Help on Cleavage: Cleavage: {0001} Good
Help on Color: Color: Black, Steel gray.
Help on Density: Density: 4.3
Help on Diaphaneity: Diaphaneity: Opaque
Help on Habit: Habit: Massive - Uniformly indistinguishable crystals forming large masses.
Help on Hardness: Hardness: 3-4 - Calcite-Fluorite
Help on Luster: Luster: Metallic
Help on Streak: Streak: dark brown
 

Optical Properties of Heterogenite-2H

Help on Optical Data: Optical Data: NCalc= 2.62 - from Gladstone-Dale relationship (KC = 0.3301) where Ncalc=Dcalc*KC+1
NCalc= 2.42 - from Gladstone-Dale relationship (KC = 0.3301) where Ncalc=Dmeas*KC+1
Help on RL Anisotrophism: RL Anisotrophism: Strong, bluish to yellowish white, browns.
Help on RL Bireflectance: RL Bireflectance: Very strong.
Help on RL Color: RL Color: White with a brownish tinge.
Help on Reflectivity Reflectivity
Standardized Intensity (100%) Reflection Spectra of Heterogenite-2H in Air
λ R1 R2  ∑ R1(λ)   ∑ R2(λ) 
 400 nm   15.00   30.40 
   
 420 nm   15.80   30.40 
 440 nm   16.60   30.40 
 460 nm   16.70   29.80 
 480 nm   16.60   28.80 
 500 nm   16.30   27.80 
 520 nm   16.20   27.00 
 540 nm   16.30   26.40 
 560 nm   16.60   26.00 
 580 nm   16.70   25.60 
 600 nm   16.70   25.30 
 620 nm   16.50   25.00 
 640 nm   16.40   24.80 
 660 nm   16.20   24.50 
 680 nm   16.00   24.20 
 700 nm   15.80   23.80 
Calculated Relative Intensity Colors of Heterogenite-2H in Air
Relative
Intensity		    0%   60% 100% 120% 180% 240% 300% 360% 420% 480% 540%
R1                      
R2                      
 

Calculated Properties of Heterogenite-2H

Help on Electron Density: Electron Density: Bulk Density (Electron Density)=4.70 gm/cc
note: Specific Gravity of Heterogenite-2H =4.91 gm/cc.
Help on Fermion Index: Fermion Index: Fermion Index = 0.0001687038
Boson Index = 0.9998312962
Help on Photoelectric: Photoelectric: PEHeterogenite-2H = 21.98 barns/electron
U=PEHeterogenite-2H x rElectron Density= 103.28 barns/cc.
Help on Radioactivity: Radioactivity: GRapi = 0 (Gamma Ray American Petroleum Institute Units)
Heterogenite-2H is Not Radioactive
 

Heterogenite-2H Classification
Help on Dana Class: Dana Class: 06.01.04.01 (06)Hydroxides and Oxides Containing Hydroxyl
  (06.01)where X+++O OH
  (06.01.04)Heterogenite Group
 
06.01.04.01 Heterogenite-2H CoO(OH) P 63/mmc 6/m 2/m 2/m
 
06.01.04.02 Heterogenite-3R CoO(OH) R 3m 3 2/m
 
06.01.04.03 Feitknechtite beta-MnO(OH) Unk Hex
 
06.01.04.04 Feroxyhyte FeO(OH) Unk Hex
Help on Strunz Class: Strunz Class: 04.FE.20 04 - OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodate
  04.F - Hydroxides (without V or U)
  04.FE -Hydroxides with OH, without H2O; sheets of edge-sharing octahedra
 
04.FE.20 Grimaldiite CrO(OH) R 3m 3 2/m
 
04.FE.20 Heterogenite-2H CoO(OH) P 63/mmc 6/m 2/m 2/m
 
04.FE.20 Heterogenite-3R CoO(OH) R 3m 3 2/m
 

Other Heterogenite-2H Information
Help on References: References: NAME( AntBidBlaNic3) PHYS. PROP.(Enc. of Minerals,2nd ed.,1990) OPTIC PROP.(AntBidBlaNic3)
Help on See Also: See Also: Links to other databases for Heterogenite-2H :
1 - Am. Min. Crystal Structure Database
2 - Athena
3 - EUROmin Project
4 - Google Images
5 - Google Scholar
6 - MinDAT
7 - MinMax(Deutsch)
8 - MinMax(English)
9 - Mineralienatlas (Deutsch)
10 - QUT Mineral Atlas
11 - Ruff.Info

Search for Heterogenite-2H using:

Google
 
Web webmineral.com
[ALTAVISTA] [AOL] [All-The-Web] [HotBot] [Ixquick] [MAMMA] [MSN.COM] [Netscape] [Scirus] [Teoma] [Wikipedia] [YAHOO]

Visit our Advertisers for Heterogenite-2H :

AA Mineral Specimens

B & L Fine Minerals

Crystalarium.com

Dan Weinrich Fine Minerals

Dan Weinrich Auctions

Dakota Matrix

Desert Winds Gems and Minerals

Excalibur Minerals

Exceptional Minerals

Fabre Minerals

Heliodor

John Betts Fine Minerals

Mason's Minerals

Mineral News

Mineral of the Month Club

Wrights Rock Shop

Translate Heterogenite-2H Mineral Data :

Ask about Heterogenite-2H 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 Espaņol

Print or Cut-and-Paste your Heterogenite-2H Specimen Label here :

Heterogenite-2H

Co+++O(OH)
Dana No: 06.01.04.01 Strunz No: 04.FE.20
Locality:

 

Notes: